Property profile

40 Triangle Place

Map showing 40 Triangle Place, London

Estimated sale price

£440,000

Flats sold in Clapham East

The box shows the middle 50% of flats sale prices, the whiskers show the 5th to 95th percentile, and the marker shows this property's estimated price.

Half of similar homes sold within the box; most sold within the wider line.

An indicative model estimate, not a survey or formal valuation.

This property vs market

Last sold26 Aug 2025
£415,000Change since last sale: +£25,000 (+6.0%)
Annualised change
+6.2% per yearLambeth annualised change (flats) since 2025: −4.4% per yearThis property outperformed the market
Price per sq ftLocal median £736 per sq ft
£670 per sq ftEstimate vs local median: −£66 per sq ft (−9.0%)
Local sold pricesMedian for flats in Clapham East
£524,782Estimate vs local median: −£85,000 (−16%)
How this estimate is calculated

Area360's automated valuation uses available property details, recorded sales and local market data to estimate a sale price. This automated estimate is a guide, not a survey, mortgage valuation or formal valuation. See the valuation methodology and limitations.

Estimate calculated .

Property facts

Property typeFlat / Not Recorded
TenureLeasehold
Construction period1930-1949
Floor area61 m² / 657 sq ft
Rooms4 habitable / 4 heated
Floor level1
EPC ratingC
EPC inspection02 Jun 2025

Sales history

DatePriceChange
26 Aug 2025£415,000+89%
02 Oct 2006£220,000-

Local market

Property prices in Clapham East

Median price£559,500
Price per sq ft£765
Sales (last 12 months)87
Typical range (middle 50%)£463K – £671K

Based on 87 recent sales, the median property price is £559,500 (about £765 per square foot) in Clapham East area, with individual transactions ranging from £280,000 up to £2,500,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Clapham East over the last year.
TypeSalesMedian£/sq ft
Terraced16£875,059£791
Semi-Detached1£875,000£797
Flats70£524,783£736

10-year price trendmedian sale price in Clapham East

Sale price

Ten year median sale price trend for each property type in Clapham East.
YearFlatsTerraced
2016£499,250£913,500
2017£540,750£1,045,000
2018£516,250£887,500
2019£525,000£877,500
2020£530,750£900,000
2021£527,500£967,000
2022£530,500£930,750
2023£560,685£873,611
2024£560,000£1,125,000
2025£531,000£925,000
2026£495,000£860,118
Ten year median sale price trend for each property type in Clapham East.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Clapham East.
YearFlatsTerraced
2016£712£623
2017£789£682
2018£737£724
2019£727£715
2020£811£697
2021£759£736
2022£848£771
2023£745£793
2024£795£755
2025£764£719
2026£788£820
Ten year median sale price per square foot trend for each property type in Clapham East.

Price distribution by property typelast 12 months

Price distribution by property type for Clapham East in the last year.

Recent sales

There were 50+ recent sold properties in the last 18 months near SW4 7HX.

Recent sold properties in the last 18 months near SW4 7HX
DateAddressTypeTenurePriceMap
26 Aug 202540, Triangle Place, London, SW4 7HXFlatsLeasehold£415,000
22 Aug 202548, Triangle Place, London, SW4 7HXFlatsLeasehold£475,000
24 Mar 202659, Nelsons Row, London, SW4 7JRFlatsLeasehold£394,000
08 Dec 202541, Nelsons Row, London, SW4 7JRFlatsLeasehold£400,000
15 May 202642, Nelsons Row, London, SW4 7JTFlatsLeasehold£421,350

Other properties at this postcode

Area insights for SW4 7HX

Full area profile →

Overview

Postcode SW4 7HX is located in a major urban area, within the Clapham East ward of Lambeth in the London region, and forms part of the Clapham Common North area. It has very high deprivation and very high crime levels, with around 227 crimes per 1,000 residents per year, roughly 1.8× the London average of 130 per 1,000. The average income per household in Clapham Common North is £71,040 per year. The nearest station is Clapham Common, about 0.2 miles away. There are 12 primary and 3 secondary schools in the area. There are 2 parks nearby, the closest small park is Holy Trinity Churchyard.

Crime rate
10/10
Crimes per 1k residents
227
Deprivation level
9/10
Income level
4/10
Social housing
55.8%
Connectivity
9/10
Flood Risk
No risk
Noise Level
Low

Deprivation level

9/10

Clapham Common North has a very high level of deprivation, ranked at position 6,527 out of 32,844 areas in the United Kingdom, placing it within the top 20% most deprived areas in England.

Crime level

10/10

Clapham Common North has a very high crime rate, with approximately 227 reported incidents per 1,000 population each year.

Social housing

55.8%

Approximately 55.8% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 42.6% of dwellings are socially rented.

Income level

4/10

The average income per household in Clapham Common North is £71,040 per year.

Noise Level

Low

Low noise level (55.0-59.9 dB) from road, approximately 293 ft away from SW4 7HX.

Flood risk

No risk

Clapham Common North near SW4 7HX has no flood risk (less than 0.1% chance of a flood each year) from rivers and sea.

Transport

9/10

The nearest station is Clapham Common located about 0.2 miles away. There are 5 stations nearby.

Nearby public transport stations for SW4 7HX
DistanceZoneNameLinesDirections
0.2 mi

2

Clapham Common

Northern

Walking directions to Clapham Common
0.3 mi

2

Clapham High Street

Overground

Walking directions to Clapham High Street
0.3 mi

2

Clapham North

Northern

Walking directions to Clapham North

Parks

Nearby parks and green spaces for SW4 7HX
DistanceNameSizeDirections
0.4 miHoly Trinity ChurchyardSmallWalking directions to Holy Trinity Churchyard
0.3 miGrafton SquareSmallWalking directions to Grafton Square

Area Profile

Population
331
Population density
20,432.1 per km²

Crime

Crime per 1,000 population

Shoplifting
198.68(+1889%)
Anti-social behaviour
74.34(+177%)
Theft from the person
55.92(+496%)
Violence and sexual offences
53.29(+72%)
Robbery
27.63(+676%)
London average

Demographics

Ethnic groups

British
116
34.73%
Other White
48
14.37%
Caribbean
40
11.98%
African
30
8.98%
Other
19
5.69%
Total population: 334

Economics

Education (age 16+)

Level 4+ (Degree)
123
43.31%
No qualifications
77
27.11%
Level 2 (GCSEs 9-4)
32
11.27%
Level 3 (A level)
30
10.56%
Apprenticeship
8
2.82%
Total 16+ residents: 284

Housing

Housing tenure

Social rents from council
64
53.33%
Private landlord or letting agency
29
24.17%
Owns with a mortgage
14
11.67%
Owns outright
5
4.17%
Other forms of private rent
4
3.33%
Total households: 120

Schools

In the SW4 7HX postcode area, located within Clapham Common North, there are 12 primary and 3 secondary schools in close proximity.

Nearby primary and secondary schools for SW4 7HX
DistancePhaseNameTypeRating
0.1 miNurseryTriangle Nursery SchoolLocal authority nursery school

Outstanding

0.2 miPrimarySt Mary's Roman Catholic Primary SchoolVoluntary aided school

Outstanding

0.3 miPrimaryClapham Manor Primary SchoolCommunity school

Good

Local amenities

15 nearby supermarkets & convenience stores within mi of SW4 7HX

Nearby supermarkets & convenience stores for SW4 7HX
DistanceNameAddressDirections
0.1 miSainsbury's133 Clapham High Street, London, SW4 7SLWalking directions to Sainsbury's
0.1 miKS Food & WineTeignmouth Close, Lambeth, SW4 7BUWalking directions to KS Food & Wine
0.1 miM&S FoodClapham High Street, Lambeth, SW4 7SLWalking directions to M&S Food
0.2 miExpress Food & WineTremadoc Road, Lambeth, SW4 7UNWalking directions to Express Food & Wine
0.2 miLondis192-194 Clapham High Street, London, SW4 7UDWalking directions to Londis