Property profile

Flat 111, Onslow Square

SW7 3NJ

Brompton & Hans Town

Area profile →

Map showing Flat 1, 11, Onslow Square, London

Property Price
150k200k250k300k400k500k750k1.5M

Estimated sale price

£1,870,000

Flats sold in Brompton & Hans Town

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

Price per sq ftLocal median £1,418 per sq ft
£1,737 per sq ftEstimate vs local median: +£319 per sq ft (+23%)
Local sold pricesMedian for flats in Brompton & Hans Town
£1,050,000Estimate vs local median: +£819,000 (+78%)
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 / Detached
Construction periodbefore 1900
Floor area100 m² / 1,076 sq ft
Rooms3 habitable / 3 heated
Floor level2
EPC ratingD
EPC inspection28 Oct 2019

Sales history

No recorded sales for this property in HM Land Registry data.

Local market

Property prices in Brompton & Hans Town

Median price£1,244,634
Price per sq ft£1,531
Sales (last 12 months)95
Typical range (middle 50%)£865K – £3.0M

Based on 95 recent sales, the median property price is £1,244,634 (about £1,531 per square foot) in Brompton & Hans Town area, with individual transactions ranging from £255,000 up to £10,000,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Brompton & Hans Town over the last year.
TypeSalesMedian£/sq ft
Terraced24£3,700,000£1,973
Flats71£1,050,000£1,418

10-year price trendmedian sale price in Brompton & Hans Town

Sale price

Ten year median sale price trend for each property type in Brompton & Hans Town.
YearFlatsTerraced
2016£1,395,000£5,750,000
2017£1,480,000£3,730,000
2018£1,095,000£3,450,000
2019£1,410,000£3,050,000
2020£1,400,000£3,850,000
2021£1,035,000£3,625,000
2022£1,350,000£4,537,500
2023£1,340,000£3,450,000
2024£1,337,500£3,575,000
2025£1,055,000£3,500,000
2026£1,100,000£3,700,000
Ten year median sale price trend for each property type in Brompton & Hans Town.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Brompton & Hans Town.
YearFlatsTerraced
2016£1,776£2,200
2017£1,849£2,071
2018£1,628£2,046
2019£1,568£1,949
2020£1,721£2,034
2021£1,572£1,919
2022£1,620£2,110
2023£1,631£2,083
2024£1,599£1,906
2025£1,457£2,065
2026£1,416£1,854
Ten year median sale price per square foot trend for each property type in Brompton & Hans Town.

Price distribution by property typelast 12 months

Price distribution by property type for Brompton & Hans Town in the last year.

Recent sales

There were 26 recent sold properties in the last 18 months near SW7 3NJ.

Recent sold properties in the last 18 months near SW7 3NJ
DateAddressTypeTenurePriceMap
20 Nov 2025Flat 2, 11, Onslow Square, London, SW7 3NJFlatsLeasehold£2,750,000
04 Mar 202615, Pelham Place, London, SW7 2NQTerracedFreehold£6,235,000
05 Jun 2025Flat 34, Malvern Court, Onslow Square, London, SW7 3HYFlatsLeasehold£1,200,000
25 Apr 2025Flat 31, Malvern Court, Onslow Square, London, SW7 3HYFlatsLeasehold£1,850,000
02 Oct 2025Flat 11, Malvern Court, Onslow Square, London, SW7 3HUFlatsLeasehold£1,725,000

Other properties at this postcode

AddressTenureFloor areaLast sale
9 Onslow Square, London-34 m²-
9A, Onslow Square, London-72 m²-
13, Onslow Square, London-100 m²-
21 Onslow Square, London-116 m²-
Flat 1, 1 Onslow Square, LondonLeasehold111 m²£2,300,000 (2021)
Flat 1, 17 Onslow Square, LondonLeasehold116 m²£3,600,000 (2022)
Flat 1A, 25 Onslow Square, LondonLeasehold40 m²£560,000 (2020)
Flat 2, 5 Onslow Square, London-113 m²-
Flat 2, 11 Onslow Square, LondonLeasehold108 m²£2,750,000 (2025)
Flat 2, 17 Onslow Square, LondonLeasehold113 m²£500,000 (1997)

Area insights for SW7 3NJ

Full area profile →

Overview

Postcode SW7 3NJ is located in a major urban area, within the Brompton & Hans Town ward of Kensington and Chelsea in the London region, and forms part of the Brompton area. It has low deprivation and very high crime levels, with around 411.7 crimes per 1,000 residents per year, roughly 3.2× the London average of 130 per 1,000. The average income per household in Brompton is £72,824 per year. The nearest station is South Kensington, about 0.1 miles away. There are 4 primary and 1 secondary schools in the area. There are 2 parks nearby, the closest small park is St Luke's Gardens.

Crime rate
10/10
Crimes per 1k residents
412
Deprivation level
4/10
Income level
5/10
Social housing
7.1%
Connectivity
10/10
Flood Risk
No risk
Noise Level
Moderate

Deprivation level

4/10

Brompton has a low level of deprivation, ranked at position 22,200 out of 32,844 areas in the United Kingdom, placing it within the bottom 32% least deprived areas in England.

Crime level

10/10

Brompton has a very high crime rate, with approximately 411.7 reported incidents per 1,000 population each year.

Social housing

7.1%

Approximately 7.1% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 32.3% of dwellings are socially rented.

Income level

5/10

The average income per household in Brompton is £72,824 per year.

Noise Level

Moderate

Moderate noise level (65.0-69.9 dB) from road, approximately 293 ft away from SW7 3NJ.

Flood risk

No risk

Brompton near SW7 3NJ has no flood risk (less than 0.1% chance of a flood each year) from rivers and sea.

Transport

10/10

The nearest station is South Kensington located about 0.1 miles away. There are 5 stations nearby.

Nearby public transport stations for SW7 3NJ
DistanceZoneNameLinesDirections
0.1 mi

1

South Kensington

Circle, District, Piccadilly

Walking directions to South Kensington
0.5 mi

1

Gloucester Road

Circle, District, Piccadilly

Walking directions to Gloucester Road
0.7 mi

1

Sloane Square

Circle, District

Walking directions to Sloane Square

Parks

Nearby parks and green spaces for SW7 3NJ
DistanceNameSizeDirections
0.3 miSt Luke's GardensSmallWalking directions to St Luke's Gardens
0.4 miDovehouse GreenSmallWalking directions to Dovehouse Green

Area Profile

Population
178
Population density
10,289 per km²

Crime

Crime per 1,000 population

Other theft
163.74(+1333%)
Theft from the person
95.28(+916%)
Anti-social behaviour
79.56(+196%)
Violence and sexual offences
47.18(+52%)
Vehicle crime
28.68(+206%)
London average

Demographics

Ethnic groups

Other White
75
42.37%
British
53
29.94%
Indian
10
5.65%
Chinese
8
4.52%
Other Asian
8
4.52%
Total population: 177

Economics

Education (age 16+)

Level 4+ (Degree)
111
73.03%
Level 3 (A level)
19
12.5%
No qualifications
8
5.26%
Level 1 (GCSEs 3-1)
6
3.95%
Level 2 (GCSEs 9-4)
6
3.95%
Total 16+ residents: 152

Housing

Housing tenure

Private landlord or letting agency
30
35.29%
Owns outright
29
34.12%
Owns with a mortgage
13
15.29%
Other forms of private rent
5
5.88%
Social rents from council
3
3.53%
Total households: 85

Schools

In the SW7 3NJ postcode area, located within Brompton, there are 4 primary and 1 secondary schools in close proximity.

Nearby primary and secondary schools for SW7 3NJ
DistancePhaseNameTypeRating
0.2 miPrimaryOratory Roman Catholic Primary SchoolVoluntary aided school

Outstanding

0.2 miNot applicableInstitute of Cancer ResearchHigher education institutions

N/A

0.2 miNot applicableLycee Francais Charles de GaulleOther independent school

Inadequate

Local amenities

15 nearby supermarkets & convenience stores within mi of SW7 3NJ

Nearby supermarkets & convenience stores for SW7 3NJ
DistanceNameAddressDirections
0.1 miKensington Express11 Old Brompton Road, London, SW7 3HZWalking directions to Kensington Express
0.1 miTreatsSouth Kensington Station Arcade, Kensington and Chelsea, SW7 2NAWalking directions to Treats
0.2 miTesco Express50-52 Old Brompton Road, London, SW7 3DYWalking directions to Tesco Express
0.2 miLittle Waitrose103 Old Brompton Road, London, SW7 3LEWalking directions to Little Waitrose
0.3 miAP Food ExpressHarrington Road, Kensington and Chelsea, SW7 3NDWalking directions to AP Food Express