Property profile

9 Keymer CloseBiggin Hill

Map showing 9 Keymer Close, Biggin Hill, Westerham

Property Price
150k200k250k300k400k500k750k1.5M

Estimated sale price

£515,000

Detached sold in Biggin Hill

The box shows the middle 50% of detached 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 sold02 Sept 2025
£495,000Change since last sale: +£22,000 (+4.5%)
Annualised change
+4.3% per yearBromley annualised change (detached) since 2025: −2.0% per yearThis property outperformed the market
Price per sq ftLocal median £436 per sq ft
£458 per sq ftEstimate vs local median: +£21 per sq ft (+4.9%)
Local sold pricesMedian for detached in Biggin Hill
£566,250Estimate vs local median: −£49,000 (−8.7%)
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 typeHouse / Detached
TenureFreehold
Construction period1967-1975
Floor area105 m² / 1,130 sq ft
Rooms5 habitable / 5 heated
EPC ratingD
EPC inspection20 Jan 2025

Sales history

DatePriceChange
02 Sept 2025£495,000+6%
28 Apr 2021£465,000+105%
30 Jan 2003£226,500+152%
26 Jul 1996£90,000-

Local market

Property prices in Biggin Hill

Median price£450,000
Price per sq ft£425
Sales (last 12 months)145
Typical range (middle 50%)£395K – £547K

Based on 145 recent sales, the median property price is £450,000 (about £425 per square foot) in Biggin Hill area, with individual transactions ranging from £120,000 up to £750,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Biggin Hill over the last year.
TypeSalesMedian£/sq ft
Detached43£567,500£435
Semi-Detached38£470,000£430
Terraced40£415,000£425
Flats24£282,500£393

10-year price trendmedian sale price in Biggin Hill

Sale price

Ten year median sale price trend for each property type in Biggin Hill.
YearDetachedFlatsSemi-DetachedTerraced
2016£462,750£265,000£403,500£335,000
2017£445,500£250,000£402,500£365,000
2018£485,000£289,975£388,750£350,000
2019£460,000£267,500£395,500£340,000
2020£487,500£280,000£430,000£350,000
2021£525,000£270,000£412,000£385,000
2022£585,000£277,500£470,000£415,000
2023£560,000£305,000£452,500£410,000
2024£540,000£290,000£435,000£411,500
2025£543,500£260,000£470,000£415,000
2026£567,500£282,500£450,000£415,000
Ten year median sale price trend for each property type in Biggin Hill.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Biggin Hill.
YearDetachedFlatsSemi-DetachedTerraced
2016£375£390£386£342
2017£384£387£371£372
2018£376£447£375£379
2019£365£406£399£353
2020£390£398£375£373
2021£397£380£396£372
2022£423£420£413£421
2023£438£452£437£400
2024£403£390£407£414
2025£417£405£446£426
2026£470£390£442£427
Ten year median sale price per square foot trend for each property type in Biggin Hill.

Price distribution by property typelast 12 months

Price distribution by property type for Biggin Hill in the last year.

Recent sales

There were 50+ recent sold properties in the last 18 months near TN16 3DF.

Recent sold properties in the last 18 months near TN16 3DF
DateAddressTypeTenurePriceMap
02 Sept 20259, Keymer Close, Westerham, TN16 3DFDetachedFreehold£495,000
02 Jul 20258, Keymer Close, Westerham, TN16 3DFSemi-DetachedFreehold£450,000
19 Dec 20259, Melrose Road, Westerham, TN16 3DASemi-DetachedFreehold£475,000
28 Nov 202513, Norheads Lane, Westerham, TN16 3XTDetachedFreehold£500,000
21 Nov 20251D, Norheads Lane, Westerham, TN16 3XTSemi-DetachedFreehold£550,000

Other properties at this postcode

AddressTenureFloor areaLast sale
1, Keymer Close, Biggin Hill, WesterhamFreehold150 m²£425,000 (2020)
2 Keymer Close, Biggin Hill, WesterhamFreehold80 m²£400,000 (2022)
3, Keymer Close, Biggin Hill, WesterhamFreehold104 m²£220,000 (2003)
4, Keymer Close, Biggin Hill, WesterhamFreehold83 m²£242,500 (2011)
5, Keymer Close, Biggin Hill, WesterhamFreehold117 m²£184,000 (2000)
6, Keymer Close, Biggin Hill, WesterhamFreehold81 m²£435,000 (2023)
7 Keymer Close, Biggin Hill, WesterhamFreehold119 m²£199,950 (2002)
8, Keymer Close, Biggin Hill, WesterhamFreehold80 m²£450,000 (2025)
10 Keymer Close, Biggin Hill, WesterhamFreehold81 m²£405,000 (2022)
11 Keymer Close, Biggin Hill, WesterhamFreehold115 m²£495,000 (2022)

Area insights for TN16 3DF

Full area profile →

Overview

Postcode TN16 3DF is located in an urban city, within the Biggin Hill ward of Bromley in the London region, and forms part of the Biggin Hill West area. It has very low deprivation and low crime levels, with around 45.1 crimes per 1,000 residents per year, about 65% below the London average of 130 per 1,000. The average income per household in Biggin Hill West is £84,062 per year. The nearest station is New Addington, about 2.8 miles away. There are 2 primary and 1 secondary schools in the area. There is 1 park nearby, the closest medium park is Biggin Hill Recreation Ground.

Crime rate
3/10
Crimes per 1k residents
45
Deprivation level
2/10
Income level
8/10
Social housing
0%
Connectivity
2/10
Flood Risk
No risk
Noise Level
No noise

Deprivation level

2/10

Biggin Hill West has a very low level of deprivation, ranked at position 28,870 out of 32,844 areas in England, placing it within the bottom 12% least deprived areas in England.

Crime level

3/10

Biggin Hill West has a low crime rate, with approximately 45.1 reported incidents per 1,000 population each year.

Social housing

0%

Approximately 0.0% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 4.6% of dwellings are socially rented.

Income level

8/10

The average income per household in Biggin Hill West is £84,062 per year.

Noise Level

No noise

No significant noise sources from railways or roads near TN16 3DF.

Flood risk

No risk

Biggin Hill West near TN16 3DF has no flood risk (less than 0.1% chance of a flood each year) from rivers and sea.

Transport

2/10

The nearest station is New Addington located about 2.8 miles away. There are no other stations nearby.

Parks

Nearby parks and green spaces for TN16 3DF
DistanceNameSizeDirections
0.3 miBiggin Hill Recreation GroundMediumWalking directions to Biggin Hill Recreation Ground

Area Profile

Population
400
Population density
885.2 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
20.56(-34%)
Anti-social behaviour
18.57(-31%)
Vehicle crime
7.96(-15%)
Criminal damage and arson
5.31(-7%)
Public order
3.98(-41%)
London average

Demographics

Ethnic groups

British
382
95.26%
Other White
11
2.74%
White and Asian (mixed)
4
1%
White and Black Caribbean (mixed)
2
0.5%
Irish
1
0.25%
Total population: 401

Economics

Education (age 16+)

Level 3 (A level)
68
22.74%
Level 4+ (Degree)
65
21.74%
Level 2 (GCSEs 9-4)
63
21.07%
No qualifications
48
16.05%
Level 1 (GCSEs 3-1)
29
9.7%
Total 16+ residents: 299

Housing

Housing tenure

Owns with a mortgage
73
54.07%
Owns outright
53
39.26%
Private landlord or letting agency
6
4.44%
Other forms of private rent
2
1.48%
Shared ownership
1
0.74%
Total households: 135

Schools

In the TN16 3DF postcode area, located within Biggin Hill West, there are 2 primary and 1 secondary schools in close proximity.

Nearby primary and secondary schools for TN16 3DF
DistancePhaseNameTypeRating
0.2 miPrimaryOaklands Primary AcademyAcademy converter

Requires improvement

0.5 miPrimaryBiggin Hill Primary SchoolAcademy converter

Good

0.7 miSecondaryCharles Darwin SchoolAcademy converter

Good

Local amenities

5 nearby supermarkets & convenience stores within 0.5 mi of TN16 3DF

Nearby supermarkets & convenience stores for TN16 3DF
DistanceNameAddressDirections
0.1 miMorrisons Daily4 Roundway, Biggin Hill, Westerham, TN16 3XZWalking directions to Morrisons Daily
0.1 miValley Wine6 Roundway, Biggin Hill, Westerham, TN16 3XZWalking directions to Valley Wine
0.2 miCo-opBromley, TN16 9BWWalking directions to Co-op
0.3 miCo-op Food16-18 Rosehill Road, Biggin Hill, Westerham, TN16 3NFWalking directions to Co-op Food
0.3 miRaj Gowry Express6 Rosehill Road, Biggin Hill, Westerham, TN16 3NFWalking directions to Raj Gowry Express