Why rising property values, HMRC compliance activity and the next ATED revaluation mean property companies should review their position now – ATED revaluation 2027
By Steve Bicknell FCMA, CGMA
If your limited company owns residential property, 1 April 2027 is a date worth putting in your diary now.
It is the next five-yearly Annual Tax on Enveloped Dwellings (ATED) revaluation date.
ATED broadly needs to be considered where companies and certain other non-natural persons own UK residential property worth more than:
£500,000
That threshold has applied for many years, while individual property values have continued to change.
A property that was comfortably below £500,000 at the previous 1 April 2022 valuation date could therefore be above it when revalued at 1 April 2027.
There is another potential trap.
Your company might have bought a tired residential property for £400,000 or £450,000 and subsequently extended and substantially improved it. It could now be worth £600,000.
Ordinary refurbishment of an existing dwelling does not normally create an immediate ATED valuation date merely because its market value has increased. The next five-year revaluation may therefore be the point at which that increased value brings the property into ATED.
Contrast that with a company buying an existing £600,000 dwelling today. Acquisition itself can create an ATED valuation date, so the company cannot simply wait until 2027.
And there is an equally important distinction:
Being within ATED doesn’t necessarily mean you have ATED to pay.
Commercial landlords, property developers and property traders may qualify for valuable ATED reliefs.
However:
£0 ATED to pay doesn’t necessarily mean £0 ATED compliance.
A Relief Declaration Return may still be required.
HMRC is also actively interested in whether companies claiming property rental business relief genuinely satisfy the commerciality and profit-seeking conditions.
More Tax on Companies owning High Value Residential Property – Steve J Bicknell Tel 01202 025252
ATED revaluation 2027 – Quick Answer
The next five-yearly ATED revaluation date is 1 April 2027.
Company-owned UK residential property should therefore be reviewed to establish its market value at that date.
A property previously below the £500,000 ATED threshold may be brought within the regime because its value has increased.
The existing 1 April 2022 valuation continues to apply through the 2027/28 ATED chargeable period, meaning that the 1 April 2027 valuation feeds into the next five-year cycle.
Importantly, a commercial landlord may qualify for Property Rental Business Relief, producing £0 ATED to pay, but that does not necessarily remove the requirement to submit an ATED Relief Declaration Return.
In short:
Property worth more than £500,000?
↓
CHECK ATED
↓
CHECK RELIEF
↓
CHECK RETURN
↓
£0 TAX ≠ £0 COMPLIANCE
What Is ATED?
ATED stands for:
Annual Tax on Enveloped Dwellings
It is an annual tax principally affecting higher-value UK residential property held within corporate and similar ownership structures.
Broadly, ATED should be considered where a UK residential dwelling valued above £500,000 is owned wholly or partly by:
- a company;
- a partnership containing a corporate member; or
- a collective investment scheme.
ATED operates by reference to individual single-dwelling interests, rather than simply looking at the company’s property portfolio as one asset.
The chargeable period runs from:
1 April to 31 March
The annual charge depends on the property’s ATED value band.
However, several important reliefs can potentially reduce that charge to nil.
Why Is 1 April 2027 So Important?
ATED operates using a five-yearly statutory revaluation cycle.
The key dates have been:
- 1 April 2012
- 1 April 2017
- 1 April 2022
- 1 April 2027
The 1 April 2022 valuation applies through the ATED period ending 31 March 2028.
The new 1 April 2027 value will therefore become relevant for the following five-year cycle.
This makes 2027 a particularly good year for property companies to identify residential assets that may be approaching the ATED threshold.
The £500,000 Problem
Let’s take a fictional example.
Bicknell Property Investments Limited owns a residential investment property.
Its ATED valuation at:
1 April 2022
was:
£450,000
It was therefore below the £500,000 threshold.
Since then, the company has:
- refurbished the property;
- installed a new kitchen;
- extended the building; and
- substantially improved its overall condition.
By:
1 April 2027
a professional valuation concludes that it is worth:
£575,000
The property has crossed the ATED threshold.
That potentially brings it within the ATED compliance regime when the new valuation becomes operative.
However, whether the company actually pays ATED is a different question.
Buying a Property Above £500,000 Is Different
You don’t always wait for the next five-year revaluation.
Suppose Bicknell Property Investments Limited purchases an existing residential property in October 2026 for:
£650,000
A property acquired after the previous five-year valuation date is valued by reference to its acquisition date.
ATED therefore needs to be considered at acquisition.
This makes ATED something that should be checked before or immediately after a company completes a residential purchase, rather than being discovered when the annual accounts are eventually prepared.
What If You Buy Below £500,000 and Do It Up?
Now suppose the company buys an existing property for:
£425,000
It spends £100,000 refurbishing and extending it.
After the work it is worth:
£600,000
That does not normally mean that completing ordinary improvement works automatically creates a new acquisition-style ATED valuation date.
So we potentially have two very different situations:
Company buys existing dwelling worth £600,000
Check ATED from acquisition.
Company buys existing dwelling for £425,000 and later improves it so it becomes worth £600,000
The next relevant five-year revaluation may be what brings it across the ATED threshold.
Separate rules can apply where works create a new dwelling, where interests are acquired or disposed of, or where other statutory valuation events occur.
ATED Uses Market Value – Not Simply Historic Cost
A common misconception is:
“The company only paid £400,000, therefore ATED can’t apply.”
That is not necessarily correct.
At a five-year revaluation date (ATED revaluation 2027) you need to consider the property’s market value at that date.
A property bought many years ago for £400,000 might now be worth £700,000.
Likewise, a substantial extension or redevelopment may have materially increased its value.
That is why properties previously valued around:
£400,000–£500,000
deserve particular attention ahead of the 2027 revaluation.
Property Rental Business Relief
Now for the good news.
Suppose your company owns a buy-to-let property worth:
£750,000
Does the company automatically have ATED to pay?
No.
Relief may be available where the property is used in a qualifying property rental business.
Broadly, HMRC’s guidance requires qualifying property to be let to a third party on a commercial basis and not occupied—or available for occupation—by someone connected with the owner.
A genuine commercial BTL could therefore produce:
ATED value: £750,000
Within ATED: Yes
Property Rental Business Relief: Potentially yes
ATED payable: £0
But the story doesn’t end there.
£0 ATED Doesn’t Necessarily Mean No Return
Where a relief reduces the ATED liability to nil, a company may still need to submit an:
ATED Relief Declaration Return
This is different from an exemption.
The distinction is extremely important:
EXEMPTION
Potentially:
No ATED + no ATED return
RELIEF
Potentially:
£0 ATED + return still required
HMRC specifically confirms that qualifying property rental businesses, developers and traders can claim relief, subject to their respective conditions.
HMRC Is Checking Property Rental Relief Claims

ATED should not be regarded as an obscure tax that HMRC rarely looks at.
HMRC has run a One-to-Many compliance campaign concerning higher-value residential property and qualifying property rental business relief.
The campaign has focused on companies owning UK residential property above the ATED threshold where historic tax filings indicated sustained rental losses or no taxable profit, and where companies had either claimed ATED property rental relief or had not filed ATED returns.
HMRC’s concern is straightforward.
Property rental relief requires the business to operate on a commercial basis and with a view to profit.
If a company’s tax filings show repeated losses, HMRC may ask whether those conditions were genuinely satisfied.
Importantly, a loss does not automatically mean relief is unavailable.
A genuine commercial property business can make losses.
But the company may need evidence showing that it was nevertheless operated commercially and with a genuine profit-seeking objective.
What Do HMRC’s ATED Letters Ask Companies to Do?
The One-to-Many campaign has asked affected businesses to review their ATED position.
Depending on the circumstances, companies may need to:
- provide HMRC with further evidence;
- submit outstanding ATED returns;
- correct earlier filings; or
- consider making a disclosure.
The campaign letters have generally required a response within 40 days.
HMRC has warned that failure to respond can result in it considering a discovery assessment, together with possible interest and penalties.
Bicknell Business Advisers’ Advice
If you receive an HMRC letter concerning ATED, do not respond by simply stating:
“We rented the property out, therefore the relief applies.”
Instead, establish whether you can evidence:
- genuine commercial letting;
- market rents;
- tenancy agreements;
- rent actually being collected;
- business plans and budgets;
- financing arrangements;
- attempts to achieve profitability;
- reasons for historic losses; and
- absence of connected-person occupation.
The quality of the evidence may become very important.
Received an HMRC ATED Letter?
If HMRC has contacted your company concerning:
- ATED Property Rental Business Relief;
- historic ATED returns;
- rental losses;
- whether your business was commercial;
- connected-person occupation;
- missing Relief Declaration Returns; or
- potentially late ATED returns,
take advice before responding.
The starting point should normally be to review:
VALUATIONS + CORPORATION TAX RETURNS + TENANCIES + ATED RETURNS + RELIEF CONDITIONS
together.
Depending on the circumstances, the right response may involve supplying evidence, correcting earlier returns or considering an appropriate disclosure.
ATED Penalties Can Apply Even Where the Tax Is £0
This is one of the most surprising aspects of ATED.
A company may genuinely qualify for a relief that reduces its ATED bill to:
£0
but still face penalties because the necessary return was filed late.
A Relief Declaration Return is still a tax return for penalty purposes.
HMRC’s current guidance expressly warns that penalties can apply where an ATED return or Relief Declaration Return is filed late.
Several tribunal cases demonstrate how seriously the filing requirement needs to be taken.
Conchri Investments Ltd – £15,700 of Penalties
One of the most useful recent examples is:
Conchri Investments Limited v HMRC [2025] UKFTT 600 (TC)
The company appealed ATED late-filing penalties totalling:
£15,700
One of its arguments was that it had been unaware of its ATED filing obligation and had not been told by either HMRC or its accountants that returns were required.
The tribunal’s decision contains several important lessons.
It noted that the statutory penalties can apply even where no ATED tax is due.
It also concluded that relying on an accountant did not automatically provide a reasonable excuse, and that HMRC has no obligation to notify a company that an ATED return needs to be filed.
The case also demonstrates why proper contemporaneous valuation evidence is important when arguing that a property was below an ATED threshold.
The practical message is simple:
Don’t wait for HMRC to tell you an ATED return is due.
Matrix Rental Ltd – Nil Relief Does Not Remove Penalties
In:
Matrix Rental Ltd v HMRC [2022] UKFTT 286 (TC)
a relief return was filed approximately 210 days late.
The company faced late-filing penalties even though the underlying activity was potentially ATED-relievable.
The tribunal rejected the company’s appeal against the remaining penalties and did not accept reliance on professional advisers as a sufficient excuse.
Again:
No ATED ultimately payable does not necessarily mean no late-filing penalty.
Priory London – Daily Penalties Can Be Retrospective
Some earlier ATED cases had questioned whether HMRC could impose daily penalties where the penalty notice was issued after the daily-penalty period had already begun.
That issue was resolved by the Upper Tribunal in:
Priory London Ltd / HMRC v Jocoguma Properties Ltd [2022] UKUT 225 (TCC)
The Upper Tribunal confirmed that HMRC can issue an ATED daily-penalty notice specifying an earlier start date.
HMRC subsequently highlighted the decision in its own Stamp Taxes newsletter.
In practical terms, companies should not assume that a historic filing failure can easily escape daily penalties because HMRC did not issue the notice in advance.
Property Developer Relief – Calling Yourself a Developer Isn’t Enough
ATED relief is also available in qualifying circumstances for:
Property developers
However, the relief depends on what the business is actually doing.
The case of:
Hopscotch Ltd v HMRC
is a useful warning.
The company had undertaken redevelopment work and argued that it was carrying on a property development trade.
The First-tier Tribunal disagreed, and the Upper Tribunal subsequently upheld the finding that a qualifying property development trade was not being carried on. ATED property developer relief was therefore unavailable.
This is an important reminder:
Property developer relief depends on substance, not description.
The fact that:
- your company has “property development” in its name;
- its SIC code refers to development; or
- building work has been undertaken
does not automatically establish a qualifying property development trade.
Evidence of the commercial activity and purpose matters.
Property Traders Can Also Qualify for Relief
There is also potential ATED relief where property is genuinely held as trading stock by a qualifying property trader for resale.
Again, contemporaneous evidence is useful:
- why was the property purchased?
- was it acquired for resale?
- how was it accounted for?
- was it actively marketed?
- was there private or investment use?
This links directly to our guide:
Property Investor or Property Trader? The 9 Factors HMRC Uses
The investment-versus-trading distinction can affect several different taxes.
ATED is another example.
What About HMOs?
HMOs deserve particular attention.
We’ve previously considered this in:
Are HMOs Within the Scope of ATED?
The planning, licensing or Council Tax description of a property does not necessarily determine its treatment for ATED.
The key is to identify the relevant single-dwelling interest.
Broadly, an HMO operating as one residence with shared facilities can produce a different result from a building containing genuinely separate, self-contained flats.
So don’t automatically assume:
“It’s an HMO, therefore ATED doesn’t apply.”
Check the physical and legal configuration of the property.
The Holiday Let and Connected-Person Trap
Suppose your company owns a holiday property worth:
£900,000
It is commercially let to holidaymakers throughout most of the year.
You assume Property Rental Business Relief applies.
Then the director and their family stay there for two weeks.
That can be a serious problem.
HMRC states that rental relief requires the property not to be occupied—or available for occupation—by anyone connected with the owner.
We’ve previously considered the wider consequences in:
Don’t Buy a Holiday Let in a Company If You Want to Stay in It
ATED provides another reason why personal occupation of company-owned residential property needs careful consideration.
What If the Connected Person Pays Market Rent?
Don’t assume charging a shareholder, director or relative market rent automatically solves the ATED problem.
Connected occupation can still prevent Property Rental Business Relief.
There may, however, be a separate question about whether an ATED charge that is actually paid is deductible in calculating the company’s taxable business profits where the expenditure satisfies the normal wholly and exclusively test.
The ATED relief question and the Corporation Tax deduction question are therefore not the same thing.
That distinction can be important where properties are commercially let to connected parties.
Borderline Valuation? Consider a Pre-Return Banding Check
The ATED revaluation 2027 is likely to create many borderline cases.
Imagine a valuer concludes that your property is worth:
£510,000
A relatively small difference in valuation could determine whether the property crosses the ATED threshold.
HMRC operates a:
Pre-Return Banding Check – PRBC
Where its conditions are satisfied, a PRBC may be available if the valuation is within 10% of an ATED band threshold.
For the £500,000 threshold, that means:
£450,000–£550,000
A PRBC is particularly relevant where genuine valuation uncertainty exists and the company is not claiming a relief that reduces the charge to nil.
Request it early.
It does not remove the obligation to deal with the ATED filing deadline.
Don’t Assume HMRC Will Tell You
This is worth repeating.
Imagine:
1 April 2022 valuation
£475,000
↓
1 April 2027 valuation- ATED revaluation 2027
£560,000
↓
Property enters the ATED value range
The company may never previously have filed an ATED return.
HMRC may not send a helpful letter saying:
“Welcome to ATED.”
The obligation is the company’s responsibility.
The tribunal’s comments in Conchri Investments reinforce precisely this point.
Keep Evidence of the Relief – Not Just the Return
An ATED return can be relatively straightforward to submit.
Proving several years later that the relief conditions were actually satisfied may be less straightforward.
Property companies should therefore retain appropriate evidence such as:
- professional valuations;
- valuation reports;
- tenancy agreements;
- evidence of market rent;
- records of rent paid;
- business plans;
- budgets and forecasts;
- explanations for loss-making years;
- board minutes;
- evidence of marketing;
- development plans;
- connected-person checks;
- PRBC correspondence; and
- copies of ATED filings.
HMRC’s One-to-Many campaign demonstrates why this matters.
The question may not simply be:
“Did you file a Relief Declaration Return?”
but:
“Can you demonstrate that you were actually entitled to the relief?”
Bicknell Property Investments Ltd – A 2027 Example
Let’s put this into a portfolio.
Bicknell Property Investments Limited owns four residential properties.
At 1 April 2022:
| Property | 2022 ATED Value |
|---|---|
| Property A | £375,000 |
| Property B | £440,000 |
| Property C | £485,000 |
| Property D | £650,000 |
Property D was already within the ATED valuation range.
It is commercially let to an unconnected tenant, and the company has been submitting the appropriate ATED relief filings.
The other three properties were below £500,000.
Now fast-forward to:
1 April 2027
Professional valuations indicate:
| Property | 2022 Value | 2027 Value |
| Property A | £375,000 | £430,000 |
| Property B | £440,000 | £525,000 |
| Property C | £485,000 | £590,000 |
| Property D | £650,000 | £775,000 |
Properties B and C have now crossed £500,000.
When the 2027 revaluation becomes applicable, these properties need to be brought into the company’s ATED review.
Assuming they continue to be commercially let to unconnected tenants and all relief conditions are met:
ATED payable may be £0.
But:
additional ATED Relief Declaration Return compliance may be required.
Property B also sits close enough to the £500,000 threshold that professional valuation evidence becomes particularly important.
That is the ATED revaluation 2027 trap in a nutshell.
Ten Questions Company Landlords Should Ask Before the 2027 Revaluation
1. What UK residential properties does the company own?
Prepare a complete schedule.
2. What was each property’s previous ATED value?
Don’t simply use the balance-sheet figure.
3. What was each property worth on 1 April 2027 – ATED revaluation 2027?
Pay particular attention to properties previously between £400,000 and £500,000.
4. Have we significantly improved any properties?
Their market values may have moved substantially.
5. Have we acquired £500,000+ dwellings since the previous revaluation?
They may already have triggered ATED obligations from acquisition.
6. Does a relief genuinely apply?
Consider rental business, development, trading and other statutory reliefs.
7. Can we evidence that the rental business is commercial and operated with a view to profit?
This is particularly important following HMRC’s compliance campaign.
8. Has anyone connected with the company occupied or had access to the property?
This could jeopardise relief.
9. Is the valuation close to a threshold?
Consider robust professional valuation evidence and potentially a PRBC.
10. Even if ATED payable is £0, has every required return been filed?
Never confuse:
£0 TAX
with:
NO RETURN
ATED 2027 – Frequently Asked Questions
When is the next ATED revaluation?
1 April 2027 – ATED revaluation 2027
Does the 2027 valuation immediately replace the existing valuation?
The existing 1 April 2022 valuation applies through the 2027/28 chargeable period. The 1 April 2027 valuation feeds into the next five-year cycle.
What is the ATED threshold?
Broadly, more than £500,000 for relevant company-owned UK residential dwelling interests.
Does a £750,000 company-owned BTL automatically mean ATED is payable?
No. Qualifying commercial rental businesses may claim relief.
If the relief makes ATED £0, can I ignore ATED?
No. A Relief Declaration Return may still be required.
Does making a rental loss automatically prevent Property Rental Business Relief?
No. But repeated losses can cause HMRC to examine whether the business is genuinely run commercially and with a view to profit.
Does renovating an existing property immediately revalue it for ATED?
Ordinary improvements do not themselves normally create an acquisition valuation date, although the increased market value may become relevant at the next five-year revaluation.
Will HMRC remind me if an ATED return is due?
Do not rely on it. The responsibility sits with the company.
Can penalties arise even when no ATED tax is payable?
Yes. Tribunal decisions have repeatedly demonstrated that late Relief Declaration Returns can still produce penalties.
What should I do if I receive an HMRC ATED compliance letter?
Review the position before replying and establish whether you can evidence the relief claimed. Professional advice may be appropriate before making a disclosure or correcting previous returns.
Bicknell Business Advisers’ Recommended ATED Review
We suggest the following process:
IDENTIFY → VALUE → CHECK → EVIDENCE → RELIEF → FILE
IDENTIFY
Identify all UK residential interests owned by the company.
VALUE
Establish the correct valuation date and market value.
CHECK
Determine whether the asset falls within ATED.
EVIDENCE
Make sure you can support:
- valuations;
- commercial letting;
- profit-seeking intention;
- development/trading status; and
- absence of disqualifying connected use.
RELIEF
Establish which relief or exemption applies.
FILE
Determine whether the company needs:
- a chargeable ATED return;
- a Relief Declaration Return; or
- no return because an exemption applies.
Bicknell Business Advisers’ Advice
The 2027 ATED revaluation should not be viewed simply as:
“Is the property worth more than £500,000?”
The better approach is:
VALUE → RELIEF → EVIDENCE → RETURN → TAX
For many genuine commercial property businesses:
ATED payable may ultimately be:
£0
But increasingly, the important questions are also:
Did you file the correct return?
and:
Can you prove that the relief conditions were satisfied?
HMRC’s compliance activity and the ATED tribunal cases demonstrate why those questions matter.
How We Can Help
At Bicknell Business Advisers, we specialise in advising landlords, property investors, developers and property companies.
We can help with:
- the 1 April 2027 ATED revaluation 2027;
- identifying properties newly brought within ATED;
- ATED Relief Declaration Returns;
- historic ATED compliance reviews;
- HMRC One-to-Many letters;
- Property Rental Business Relief;
- reviewing whether a rental business satisfies the commerciality and view-to-profit tests;
- property developer and trader reliefs;
- late ATED returns;
- penalty appeals and reasonable-excuse considerations;
- voluntary disclosures;
- connected-person occupation;
- company-owned holiday properties;
- HMOs and mixed-use property;
- Pre-Return Banding Checks; and
- working alongside professional property valuers.
If your company owns residential property worth around £500,000 or more, or you are concerned that previous ATED returns may not have been filed correctly, now is the time to review the position.
And if HMRC has already written to you about ATED:
Take advice before responding.
A historic ATED problem is generally easier to deal with proactively than after HMRC has raised assessments and penalties.
£0 ATED to pay doesn’t necessarily mean £0 ATED risk.
About the Author
Steve Bicknell FCMA, CGMA is Managing Director of Bicknell Business Advisers Limited, specialising in property taxation, landlord tax planning, SDLT, Capital Gains Tax and property company structures throughout the UK.





















