House prices in SE21, London
The average house price in SE21, London over the last three years is £1,034,319, with a median sold price of £731,000 — well above the ~£290,000 England & Wales norm.
HM Land Registry sold-price data · updated August 2026
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Sold prices in SE21, London
Based on 468 sales recorded in the last three years (HM Land Registry).
The average house price in SE21, London over the last three years is £1,034,319, with a median sold price of £731,000 — well above the ~£290,000 England & Wales norm. The mean sits notably higher than the median here, which usually means a tail of larger or higher-value sales pulling the average up. That's drawn from 468 recorded sales — a reasonably active local market.
SE21 price trend
Quarterly median sold price (smoothed), against England & Wales. Hover for the value at any quarter.
Over five years, prices in SE21, London have risen (+14.7%). Across a full decade they are +30.8%. The last twelve months alone: -1.1%. Prices in SE21, London still sit about 3.3% below their 2026 peak on our smoothed index — worth knowing when a seller's asking price was set with the top of the market in mind.
How SE21 growth compares
Sold prices rebased to 100 at 2015 — so you can compare the pace of change in SE21 directly against England & Wales, regardless of price level.
Indexed to 100 in 2015. A line at +20% means prices are 20% above their 2015 level.
What it costs to buy in SE21, London
From entry-level to premium — where sold prices actually land, not just the headline median.
Homes in SE21, London span an unusually wide range: the cheapest tenth of sales went for under £345,000, while the top tenth fetched over £2,178,000. Half of all sales fell between £450,000 and £1,350,000 — the practical "middle of the market" a typical buyer competes in.
Plan a budget for SE21, London
Slide across what homes in SE21 actually sell for and see the deposit, stamp duty, monthly repayments and income a purchase would take.
Upfront cash ≈ £99,650 (deposit + stamp duty), before legal and survey fees. Illustration only, not financial advice — English SDLT main-residence rates for 2026/27; second homes pay a surcharge, and your mortgage rate and multiple will vary.
How SE21 compares
Average sold price here against its wider area and England (HM Land Registry UK House Price Index).
At £1,034,319, homes in SE21, London sell for 85% above the Lambeth average, and 255% above the England average. Prices here have moved slower than England as a whole over the past year (-1.1% vs +3.9%).
Prices by property type
Median sold price, £/m² and share of the market, by type, across SE21.
The most-traded type in SE21, London is flat / maisonette (224 sales, median £450,000), which tends to set the tone of the area. Flats (£450,000) and houses (~£1,351,598) trade well apart, so the headline figure moves a lot with the mix of what's for sale. Priced by size, homes here work out at roughly £8,152 per square metre — a useful yardstick when a listing's asking price looks high or low for its floor area. Space for money: flat / maisonette offer the most floor area per pound in SE21, London, at about £7,293/m², while semi-detached cost the most at £9,691/m² — a 33% premium. If floor area matters more to you than form, that gap is where the value hides.
The SE21 market: activity & mix
How busy the market is, and what kind of homes actually change hands.
* 2026 is a part year — Land Registry sales are recorded a few weeks after completion.
Around 160 homes changed hands in SE21, London in 2025 — in line with the area's average of roughly 177 sales a year over the past decade. The busiest recent year was 2021 (248 sales). Steady turnover means a reasonable flow of fresh listings through the year. 52% of recent sales in SE21, London were leasehold — a substantial leasehold share, so factor in service charges and lease length.
Inside SE21: deprivation & demographics
Explore the neighbourhoods that make up this area. Each cell is a Census neighbourhood (LSOA) shaded by its national decile — switch between overall deprivation, income, education, health, crime and more. Tap a cell for its figure.
Deciles are national (1 = most deprived 10% in England, 10 = least). Source: English Indices of Deprivation (IMD) by 2021 LSOA, boundaries © ONS. This shows the area's statistical neighbourhoods, not a precise postcode boundary.
Buying in SE21? Don't offer on the area average.
Area prices set the scene — but the home you're viewing has its own flood risk, energy costs, crime picture, school catchment and fair value. Check the exact address before you commit.
What a full report reveals about a SE21 home
Everything below is analysed for the specific address you search — locked here, unlocked in the report.
What's in a Housometer report
Every section, for any specific home in SE21.
An evidence-based estimate with a confidence range, every sale since 1995, and the nearest comparables.
EPC rating, floor area, heating type and what the home costs to run.
The exact band for this property and what it costs you each year.
River, sea and surface-water flood risk, with the nearest watercourse.
Subsidence and ground stability, radon potential and coal-mining legacy.
Recent crime in the immediate area, by type and trend, plus road safety.
Road, rail and aircraft noise plus NO₂ and particulate air pollution.
Nearest primaries and secondaries with Ofsted ratings and performance.
Nearest stations, walk times and travel time to your workplace.
Walking distance to shops, GP, gyms, parks and everyday essentials.
Full-fibre and gigabit availability, top speeds and mobile coverage.
Applications at the property and next door, designations, tenure and ownership.
Historic OS maps, the likely build era and a dated timeline of the home’s past.
Local earnings, deprivation, household make-up and who lives nearby.
£5 once for a single property, or £15/mo unlimited to check every home on your shortlist across England & Wales.
SE21 house prices — FAQs
Over the last three years the median sold price in SE21 was £731,000, with a mean of £1,034,319, based on 468 HM Land Registry sales.
At a £731,000 median, SE21 is more expensive than the ~£290,000 England & Wales average, working out at roughly £8,152 per square metre.
On our smoothed index, SE21 prices have moved -1.1% over the past year. Local trends are noisy, so this is a guide to direction rather than a precise figure.
Of the common types, flat / maisonette have the lowest median at £450,000 (224 sales).
Entry-level homes (the cheapest 10% of sales) went for under £345,000, and most buyers competed in the £450,000–£1,350,000 band. The top 10% of sales exceeded £2,178,000.
Prices in SE21 are +14.7% over the last five years, and +30.8% over ten, on our smoothed index of Land Registry sales.
On the £731,000 median-priced SE21 home, a home-mover pays about £26,550 in Stamp Duty Land Tax at 2026/27 rates (first-time-buyer relief doesn’t apply above £500,000). Second homes pay a surcharge on top.
A 10% deposit on the median £731,000 SE21 home is £73,100 (5% would be £36,550). Borrowing the remaining £657,900 implies a household income of roughly £146,000 at a typical 4.5× lending multiple.
Roughly 160 sales a year have been recorded in SE21 recently (HM Land Registry). That’s a reasonably active market with a steady flow of listings.
52% of recent sales in SE21 were leasehold and the rest freehold. Leasehold usually means flats — always check the remaining lease length and any service charge or ground rent before offering.
Area figures set the scene, but every home differs. A Housometer report scores an individual SE21, London address across value, energy, flood & ground risk, crime, schools, transport, noise, air and more — search any address to see it.
Streets in SE21
Sold prices, £/m² and every recorded home — street by street. 88 streets have a profile in SE21.
Sold-price figures derived from HM Land Registry Price Paid Data (© Crown copyright), under the Open Government Licence v3.0; £/m² combines PPD with MHCLG EPC floor areas. Full Housometer reports also draw on HM Land Registry, Ordnance Survey, Environment Agency, VOA, Ofsted, Police.uk, DEFRA, ONS and more. Area figures summarise the market and are not a valuation of any individual home.