Design stage
Advice on specification, phasing and timing of spend, so reliefs are maximised before the money is committed.
New builds, refurbishments and fit-outs
Capex analysis
We take your project’s costs apart line by line and allocate every pound to the relief that gives the most value: full expensing, first-year allowances, the AIA, the Structures and Buildings Allowance, revenue deductions or Land Remediation Relief.
Why capex needs analysing
A building project produces one big number. For tax, that number has to be split into its parts, because each part gets different relief at a different speed. Plant may qualify for 100% relief in year one, the structure for 3% a year over more than 33 years, and repairs for an immediate deduction.
Without an analysis, most of the cost tends to end up in the slowest pool, or in the base cost of the property with no income relief at all. Our quantity surveyors and chartered tax specialists work together to allocate it properly, and to document the reasoning so it stands up to HMRC.
Since the Supreme Court’s decision in Orsted in 2026, the link between each fee and the asset it relates to needs evidence. We apportion professional fees and preliminaries item by item.
Capex relief finder
What could your works be worth?
Relief unlocked0%
- Who
- Project
- Spend
- Works
- Result
Who paid for the works?
What kind of project was it?
How much did it cost, and when?
When was the money spent?
Tick everything the works included
We’ve pre-selected what’s typical for your project. Each item unlocks a different relief.
0%relieved in year one
Year-one deductions£—
Year-one tax saving£—
Total relief over time£—
Illustrative only. Based on typical cost splits for this type of project and the rates in force at 28 October 2026. Your actual position depends on the costs, timing, your accounting period and previous claims. A specialist will follow up with a personalised estimate.
Where the costs go
Every cost allocated to the right relief
Rates at 28 October 2026. See legislation and rates for detail.
| Type of cost | Relief available |
|---|---|
| Main-rate plant and machinery | Full expensing (100%, companies, new assets) · 40% first-year allowance · AIA up to £1m · otherwise 14% a year |
| Integral features and special-rate plant | 50% first-year allowance (companies, new assets) · AIA · otherwise 6% a year |
| Structures and buildings | Structures and Buildings Allowance at 3% a year, straight line |
| Repairs and maintenance | Deducted in full as a revenue expense |
| Contaminated or derelict land works | Land Remediation Relief at 150% (companies) |
| Land and other costs | No income relief; forms part of the base cost for capital gains |
When to bring us in
The earlier, the more value
During the build
Cost plans and valuations tracked against reliefs, so the tax position is clear at each year end.
At completion
The contractor’s final account analysed line by line, with fees and preliminaries apportioned on evidence.
Buying a new building
Developer or vendor costs analysed and protected with a s198 election, so allowances pass to you.
What you get
Deliverables your accountants can use
Capex analysis report
Every cost allocated to a relief and a pool, with the reasoning and statutory references.
Fixed asset schedule
Ready for your accountants to use in the tax computation.
SBA allowance statement
The written statement a building owner needs to claim the Structures and Buildings Allowance, and to pass it on when selling.
Support with HMRC
We answer questions from your accountants and from HMRC on the analysis.
Questions
Capex analysis explained
When should we bring you in?
Ideally at design stage, so the specification and the timing of spend make best use of full expensing, the AIA and the 40% first-year allowance. We can also analyse costs at completion or years later.
What do you need from us?
The cost plan or contractor’s final account, invoices, drawings and the specification. Our quantity surveyors work from these and visit the site where needed.
Does it work for leasehold fit-outs?
Yes. Tenants who pay for a fit-out can claim allowances on the qualifying plant they install, and the structures and buildings allowance on qualifying construction.
How do professional fees and preliminaries get treated?
They are apportioned to the assets they relate to, item by item, with the link to each asset documented. Since the Supreme Court’s Orsted decision in 2026 this evidence matters more than ever.
Will our accountants be able to use the report?
Yes. You receive a fixed asset schedule split by relief and pool, ready to drop into the tax computation, and we answer any questions from your accountants or HMRC.
Find out what your property is worth in tax relief
Two minutes, no obligation, and no fee if we can’t identify previously unclaimed allowances.