A Right to Buy valuation is the figure that decides everything else about buying your council home: the discount you receive, the price you pay, the mortgage you can raise and, if you ever sell within five years, the amount of discount you must repay. Yet most tenants accept the landlord’s figure without ever checking it. This 2026 guide explains how the valuation is carried out, what the law says it must assume, how discounts and cash caps are applied, how to challenge a figure you think is wrong, and what the Government’s April 2026 reforms mean if you have not yet applied.
A Right to Buy valuation is your landlord’s assessment of the open market value of your council home at the date your RTB1 application was received. It is set out in the Section 125 offer notice, calculated under section 127 of the Housing Act 1985, and your discount is deducted from it to give the purchase price.
In practice the valuation is prepared by the council’s in-house valuers or by an external valuation firm acting for the council. It is not the same as a mortgage valuation, which your lender commissions separately, and it is not a survey of the property’s condition. If you want to know what the home is actually worth and what it will cost to put right, you need your own independent valuation and a survey.
The legislation is prescriptive about what the valuer must assume. Under section 127 of the Housing Act 1985, the value is the price the dwelling would fetch if sold on the open market by a willing vendor at the “relevant time” – the date your application was served – on the following assumptions:
Good valuers do this by analysing comparable sales of similar homes nearby, adjusting for size, condition and tenure. Where a council has sold many similar properties on the same estate, the evidence base is usually strong. Where your home is unusual – a maisonette over garages, a house of non-traditional construction, or a flat in a block with cladding issues – the figure is far more open to argument.
Once the value is fixed, your discount is deducted. According to GOV.UK, the current rules are:
For applications made on or after 21 November 2024 the maximum cash discounts are:
| Region | Maximum cash discount | Exceptions |
|---|---|---|
| London | £16,000 | £38,000 in Barking and Dagenham and Havering |
| South East | £38,000 | £16,000 in several named districts |
| Eastern | £34,000 | £16,000 in Watford |
| South West | £30,000 | None |
| North West | £26,000 | None |
| West Midlands | £26,000 | None |
| East Midlands | £24,000 | None |
| Yorkshire and the Humber | £24,000 | None |
| North East | £22,000 | None |
Applications received before 21 November 2024 kept the old caps of £136,400 in London and £102,400 elsewhere, which is why so many tenants rushed to apply in late 2024.
Under the old caps, a higher valuation usually meant a higher percentage discount in cash terms, so tenants were often relaxed about the figure. That is no longer true. Take a house in the North West valued at £180,000 with a tenant entitled to 40%. The percentage discount would be £72,000, but the cap limits it to £26,000, giving a price of £154,000. If the true market value is £165,000, the price should be £139,000. Every pound of over-valuation now goes straight onto your purchase price, and you will borrow against it for 25 years. Independent valuation evidence has therefore become the single most valuable piece of paper in the process.
The statutory timetable is tight and runs in your favour if you keep to it:
| Stage | Who acts | Time limit |
|---|---|---|
| RTB1 application submitted | Tenant | Fixes the “relevant time” for valuation |
| RTB2 notice admitting or denying the right | Landlord | 4 weeks (8 weeks if your landlord has been your landlord for under 3 years) |
| Section 125 offer notice (valuation, discount, price, terms, service charge estimates) | Landlord | 8 weeks for a freehold house; 12 weeks for a leasehold flat |
| Notice of intention to proceed or withdraw | Tenant | 12 weeks from the offer notice |
| Challenge to the valuation (referral to District Valuer) | Tenant, in writing | 3 months from the offer notice |
| District Valuer inspection and determination | Valuation Office Agency | Binding on both parties; a new Section 128 notice follows if the figure changes |
For flats, the offer notice must also include estimates of service charges and improvement contributions for the first five years of the lease. Those estimates act as a cap on what you can be charged during that period, so read them carefully alongside our guide to leasehold service charges. Major works programmes announced after you complete can still land on your doormat once the protected period ends.
If you believe the landlord’s figure is too high, you must tell the landlord in writing within three months of receiving the offer notice that you want the value determined by the District Valuer. The District Valuer is an independent official from the Valuation Office Agency, not an employee of the council. The process works as follows:
This is where a professional valuation earns its fee. A report prepared by a suitably qualified, accredited valuer – regulated by bodies such as RICS, CIOB or RPSA – that sets out the comparable evidence, identifies the improvements to be disregarded and explains any construction or condition issues is exactly the material the District Valuer is looking for. Read more about what a RICS valuation involves and typical valuation costs.
The Section 125 notice must mention any structural defects the landlord knows about, but councils rarely carry out a detailed inspection before issuing it. Many ex-council homes were built between 1945 and 1980 using system-built or non-traditional methods – precast reinforced concrete (PRC) types such as Airey, Cornish Unit and Wates, steel-framed BISF houses, Wimpey No-Fines and large-panel-system flats. Some of these are designated defective under Part XVI of the Housing Act 1985 and are only mortgageable once repaired under an approved scheme with a PRC certificate. Our guide to surveying an ex-council house explains the main types to look out for.
Even a conventionally built brick house can hide flat-roof problems, cavity wall tie corrosion, asbestos-containing materials or outdated electrics. A Level 2 or Level 3 home survey carried out under the RICS Home Survey Standard will tell you what you are buying and give you a repair budget before you commit to a mortgage. Our comparison of Level 2 and Level 3 surveys will help you choose. Remember too that the discount you receive is calculated on value, not condition: a cheap house that needs £30,000 of repairs is not a bargain.
The valuation matters again if you sell. GOV.UK confirms that if you sell within five years you must repay a share of the discount: 100% in year one, 80% in year two, 60% in year three, 40% in year four and 20% in year five. Crucially, the repayment is calculated on the value at the time you sell, not the price you paid. A home bought for £100,000 with a 40% discount and sold after 18 months for £120,000 triggers a repayment of 80% of £48,000, or £38,400. For ten years after purchase you must also offer the home back to your former landlord or another social landlord at full market value before selling on the open market; if you cannot agree a price, the District Valuer sets it free of charge.
On 28 April 2026 the Government confirmed a further overhaul of Right to Buy in England, to be legislated “when Parliamentary time allows”. The headline changes are:
None of these changes applies to applications already received, and the GOV.UK rules above remain in force until the legislation passes. The practical message for eligible tenants is that an application made under the current rules locks in both the current discount regime and the valuation date. The official statistics published on 6 August 2026 show how strongly tenants have responded to earlier changes: there were 14,187 Right to Buy sales in England in 2025–26, with eligible sales up 90% on the previous year as applications lodged before the November 2024 cap reduction completed, and an average receipt of £112,900. Only 3,452 replacement homes were started or acquired, down 7%, which is the imbalance the reforms are designed to address.
Most high street lenders offer Right to Buy mortgages and many will lend the full discounted purchase price, treating the discount as your deposit. Your lender will still instruct its own valuation, and if that comes in below the council’s figure you may face a shortfall. Lenders are also more cautious about flats above the fourth floor, blocks with deck access or cladding, and homes of non-traditional construction – another reason to understand what you are buying before the 12-week acceptance clock runs out. A professional valuation and survey carried out early in the process gives you the evidence to negotiate with the council, satisfy your lender and plan any repairs.
Survey Merchant connects you with an accredited panel of valuers and building surveyors regulated by bodies such as RICS, CIOB and RPSA, matched to the type of property you are buying and the issue you need to resolve. For Right to Buy purchasers that means:
Buying your council home is probably the largest financial decision you will make, and the valuation sets the price for everything that follows. Find out more about our Right to Buy valuation service or contact Survey Merchant today for a fixed-fee quote.
Survey Merchant provides vetted RICS surveyors across 100+ UK locations at fixed fees:
→ Level 2 Home Survey (HomeBuyer Report)
→ Level 3 Building Survey (full structural survey)
→ RICS Red Book property valuations
→ Party wall surveyors — notices, awards & schedules of condition
→ Expert witness surveyors — CPR Part 35 reports for property disputes
