Real estate, sourced and dated. No opinions, just evidence.

London · England

House prices in Lambeth: August 2026 and purchase tax

A home in Lambeth cost £540,198 on average in August 2026 (-6.5% over twelve months); at that price, a home mover pays £17,010 of Stamp Duty Land Tax.

Data as of August 2026: average prices of the UK House Price Index (HM Land Registry, Registers of Scotland, Land & Property Services and ONS), all property types. 3,279 sales over the latest twelve months with complete volumes.

Lambeth: the market in figures

Lambeth's average has come back almost exactly to its lowest point. The series low was £539,162 in 2018, and the 2026 reading is £540,198. In between, 2020 gave a rise of 4.1% and 2021 a fall of 4.2%, then 2022 delivered 7.2%, which set the peak of £594,977. After that, 2023 lost 3.4%, 2024 lost 0.8%, 2025 gained 1.2% and 2026 lost 6.5%. Against £567,232 in 2016, the price is down 4.8%, or £27,034. The 2026 price of £540,198 sits below every year in the series except 2018, when it was £539,162.

Lambeth is 10th among 135 areas and 9th among 13 London areas. Lambeth is 2.6% below London's £554,430 yet 97.8% over the UK's £273,037. London fell 2.2% over the year, so Lambeth's fall is the larger.

Type by type: £441,815 for a flat, £804,615 for a terraced house, £1,036,529 for a semi-detached and £1,160,559 for a detached house. Detached stands £718,744 over a flat, or 162.7%. For a first purchase the average is £474,320, 12.2% under the figure for all buyers.

Only Lewisham costs less, at £486,416, which is 10% below. Southwark (£569,160) costs 5.4% more, Wandsworth (£694,210) 28.5% more, City of Westminster (£887,206) 64.2% more and Kensington and Chelsea (£1,204,072) 122.9% more. Southwark, Lewisham and Wandsworth lost between 1.6% and 5.3% over the year, much less than Lambeth.

A move at the average price carries £17,010 of Stamp Duty Land Tax, 3.1% of the price, and the same for a first-time buyer. An additional property owes £44,020. The HM Land Registry fee is £295, and Lambeth's sales volume is 3,279 over the period closing in May 2026.

Southwark is the closest at 3 km, and Lewisham is 7 km away. All five neighbours fell over the year too, the smallest being Lewisham at 1.6% and the largest City of Westminster at 14.3%.

Payotte, from the UK HPI and the calculator.

Property professionals in Lambeth

One firm per trade, selected by Payotte on public data (4 of 5 trades filled in Lambeth). Companies, never individuals, with a regulator or register you can check with the official body.

Estate agent Vacant: no firm selected yet
● Vacant
Mortgage adviser Mortgage Scout Kennington Ltd · 325 Kennington Rd, London SE11 4QE
50/100
Partial
Conveyancer Anthony Gold Solicitors LLP · 34-36 Streatham High Rd, London SW16 1DB ★ 3.7 (75)
55/100
Partial
Surveyor RM Surveyors Ltd · 34 Greenhurst Rd, Norwood, London SE27 0LH ★ 5 (58)
61/100
Partial
Valuer RM Surveyors Ltd · 34 Greenhurst Rd, Norwood, London SE27 0LH ★ 5 (58)
61/100
Partial
The selected firms: Lambeth, one per trade
TradeFirmGoogle ratingReviewsScore /100StatusListing
Estate agent Vacant — — — — —
Mortgage adviser Mortgage Scout Kennington — — 50 Partial View
Conveyancer Anthony Gold Solicitors 3.7 75 55 Partial View
Surveyor RM Surveyors 5 58 61 Partial View
Valuer RM Surveyors 5 58 61 Partial View

One firm per trade and per area, chosen on public data and scored out of 100 points — Google reviews (35), age of the company (30), checkable regulator or register (15), local anchoring (15), bonus (5). The ranking is never paid for. No firm can buy its place or its recommendation. How Payotte ranks firms

Calculate for Lambeth

If you buy

Stamp Duty Land Tax and registration in Lambeth

Rates of HMRC, set at the average price in Lambeth (August 2026). Change any field: the amounts are recalculated instantly.

Rates appliedstandard rates
Stamp Duty Land Tax£17,010
Share of the price3.15%
HM Land Registry fee (online application)£295
Total, tax and registration£17,305
Return and payment14 days

Residential purchase by an individual. Not included: conveyancer, survey and lender fees (no official scale). No mortgage figure: Payotte has no official UK mortgage rate to apply. All the rates and sources.

If you sell

Capital Gains Tax on the sale

Your main home, lived in for all the time you owned it: no tax (Private Residence Relief). A second home or a buy-to-let: Capital Gains Tax, same rates in all four nations.

Gain£0
Taxable after the £3,000 allowance£0
Rate—
Capital Gains Tax£0

Gain within the £3,000 tax-free allowance: nothing to pay. Assumes no other gains this tax year and the whole £3,000 allowance unused (2026 to 2027).

Default example: bought at the average price in Lambeth in August 2016 (£567,232), sold at the August 2026 average (£540,198), UK House Price Index. Rates for 2026 to 2027: 24% for higher and additional rate taxpayers; for basic rate taxpayers, 18% on the part of the gain that fits in the £37,700 basic Income Tax band once added to taxable income (income minus Personal Allowance), 24% above (HMRC). Gain = sale price − purchase price − costs of buying, selling and improving; Payotte does not estimate those costs (no official scale). GOV.UK: Capital Gains Tax rates · Tax when you sell your home.

Frequently asked questions

What is the average house price in Lambeth?

The average price of a home in Lambeth was £540,198 in August 2026, -6.5% over twelve months (UK House Price Index).

Have house prices gone up in Lambeth?

The average price in Lambeth went from £567,232 in August 2016 to £540,198 in August 2026, a change of -4.8%; -6.5% over the last twelve months (UK House Price Index).

How much Stamp Duty Land Tax on an average-priced home in Lambeth?

On £540,198, Stamp Duty Land Tax (SDLT) comes to £17,010 for a home mover, £17,010 for a first-time buyer and £44,020 for an additional property, at the rates in force in England.

How much tax when you sell a home in Lambeth?

None on your main home if it was your only home, lived in for all the time you owned it, not let out and not used exclusively for business (Private Residence Relief). A second home or a buy-to-let pays Capital Gains Tax above the £3,000 allowance (2026 to 2027; rates in the calculator above). The tax is reported and paid within 60 days of completion (HMRC).

Is Lambeth expensive?

Lambeth ranks 10th of the 135 areas Payotte covers for the average price in August 2026, from £1,204,072 in Kensington and Chelsea to £133,782 in City of Aberdeen.

Prices by property type, August 2026

TypeAverage priceLondon
Detached£1,160,559£1,164,439
Semi-detached£1,036,529£730,580
Terraced£804,615£648,650
Flat or maisonette£441,815£427,310
All types£540,198£554,430
First-time buyers£474,320£473,051

The UK HPI is a mix-adjusted average (a hedonic model), not the price of the homes sold in the month. Northern Ireland figures are quarterly.

The trend, August of each year

YearAverage priceChange on the year before
2016£567,232—
2017£568,783+0.3%
2018£539,162-5.2%
2019£556,727+3.3%
2020£579,325+4.1%
2021£554,902-4.2%
2022£594,977+7.2%
2023£575,015-3.4%
2024£570,507-0.8%
2025£577,618+1.2%
2026£540,198-6.5%

Sources