Property profile

21 AustenwayChalfont St. Peter

SL9 8NN

Chalfont St Peter

Area profile →

Map showing 21 Austenway, Chalfont St. Peter, Gerrards Cross

Property Price
150k200k250k300k400k500k750k1.5M

Estimated sale price

£1,435,000

Detached sold in Chalfont St Peter

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 sold11 Sept 2025
£1,460,000Change since last sale: −£25,000 (−1.7%)
Annualised change
−1.8% per yearBuckinghamshire annualised change (detached) since 2025: +3.2% per yearThis property underperformed the market
Price per sq ftLocal median £536 per sq ft
£590 per sq ftEstimate vs local median: +£54 per sq ft (+10%)
Local sold pricesMedian for detached in Chalfont St Peter
£899,975Estimate vs local median: +£535,000 (+59%)
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 period1900-1929
Floor area226 m² / 2,433 sq ft
Rooms8 habitable / 8 heated
EPC ratingD
EPC inspection01 Apr 2025

Sales history

DatePriceChange
11 Sept 2025£1,460,000-

Local market

Property prices in Chalfont St Peter

Median price£800,000
Price per sq ft£545
Sales (last 12 months)145
Typical range (middle 50%)£588K – £950K

Based on 145 recent sales, the median property price is £800,000 (about £545 per square foot) in Chalfont St Peter area, with individual transactions ranging from £225,000 up to £2,580,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Chalfont St Peter over the last year.
TypeSalesMedian£/sq ft
Detached80£899,975£536
Semi-Detached22£724,400£559
Terraced18£607,500£580
Flats25£385,000£541

10-year price trendmedian sale price in Chalfont St Peter

Sale price

Ten year median sale price trend for each property type in Chalfont St Peter.
YearDetachedFlatsSemi-DetachedTerraced
2016£800,000£645,000£532,500£432,550
2017£765,000£440,000£530,000£504,975
2018£787,500£382,500£545,000£450,000
2019£791,000£335,000£558,250£450,000
2020£790,000£599,995£595,000£483,500
2021£865,000£497,500£622,500£563,000
2022£975,250£466,250£711,250£525,000
2023£917,500£422,000£619,400£490,000
2024£845,000£385,000£625,000£500,000
2025£873,100£375,000£683,750£645,000
2026£868,000£399,000£724,400£572,500
Ten year median sale price trend for each property type in Chalfont St Peter.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Chalfont St Peter.
YearDetachedFlatsSemi-DetachedTerraced
2016£478£660£435£504
2017£517£578£507£536
2018£505£506£511£530
2019£493£486£472£479
2020£514£635£504£477
2021£525£585£522£525
2022£572£625£586£601
2023£600£565£593£572
2024£582£610£535£519
2025£539£535£543£560
2026£526£569£542£623
Ten year median sale price per square foot trend for each property type in Chalfont St Peter.

Price distribution by property typelast 12 months

Price distribution by property type for Chalfont St Peter in the last year.

Recent sales

There were 23 recent sold properties in the last 18 months near SL9 8NN.

Recent sold properties in the last 18 months near SL9 8NN
DateAddressTypeTenurePriceMap
11 Sept 202521, Austenway, Gerrards Cross, SL9 8NNDetachedFreehold£1,460,000
28 Mar 2025Guild House, 25, Austenway, Gerrards Cross, SL9 8NNDetachedFreehold£356,000
08 Aug 2025Lychgate House, 34, Austenway, Gerrards Cross, SL9 8NWDetachedFreehold£1,640,000
15 Apr 2025Lavender House, 7, Kingsway, Gerrards Cross, SL9 8NSSemi-DetachedFreehold£1,185,000
07 Mar 202521, Kingsway, Gerrards Cross, SL9 8NSDetachedFreehold£1,585,000

Other properties at this postcode

AddressTenureFloor areaLast sale
1, Austenway, Chalfont St. Peter, Gerrards CrossFreehold138 m²£1,055,000 (2024)
3, Austenway, Chalfont St. Peter, Gerrards CrossFreehold152 m²£1,170,000 (2018)
9, Austenway, Chalfont St. Peter, Gerrards CrossFreehold203 m²£1,171,666 (2014)
11 Austenway, Chalfont St. Peter, Gerrards CrossFreehold150 m²£1,285,000 (2024)
19 Austenway, Chalfont St. Peter, Gerrards CrossFreehold270 m²£1,550,000 (2023)
25, Austenway, Chalfont St. Peter, Gerrards CrossFreehold176 m²£356,000 (2025)
29, Austenway, Chalfont St. Peter, Gerrards CrossFreehold352 m²£1,150,000 (2009)
33, Austenway, Chalfont St. Peter, Gerrards Cross-252 m²-
33A, Austenway, Chalfont St. Peter, Gerrards CrossFreehold55 m²£1,875,000 (2017)
35, Austenway, Chalfont St. Peter, Gerrards CrossFreehold335 m²£1,670,000 (2015)

Area insights for SL9 8NN

Full area profile →

Overview

Postcode SL9 8NN is located in an urban city, within the Chalfont St Peter ward of Buckinghamshire in the South East region, and forms part of the Chalfont St Peter West area. It has very low deprivation and very low crime levels, with around 27.1 crimes per 1,000 residents per year, about 68% below the South East average of 84 per 1,000. The average income per household in Chalfont St Peter West is £76,739 per year. The nearest station is Gerrards Cross, about 0.7 miles away. There are 3 primary and 1 secondary schools in the area.

Crime rate
2/10
Crimes per 1k residents
27
Deprivation level
1/10
Income level
9/10
Social housing
0%
Connectivity
N/A
Flood Risk
No risk
Noise Level
Low

Deprivation level

1/10

Chalfont St Peter West has a very low level of deprivation, ranked at position 33,579 out of 32,844 areas in the United Kingdom, placing it within the bottom 1% least deprived areas in England.

Crime level

2/10

Chalfont St Peter West has a very low crime rate, with approximately 27.1 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 13.5% of dwellings are socially rented.

Income level

9/10

The average income per household in Chalfont St Peter West is £76,739 per year.

Noise Level

Low

Low noise level (55.0-59.9 dB) from road, approximately 2 ft away from SL9 8NN.

Flood risk

No risk

Chalfont St Peter West near SL9 8NN has no flood risk (less than 0.1% chance of a flood each year) from rivers and sea.

Transport

The nearest station is Gerrards Cross located about 0.7 miles away. There are 1 stations nearby.

Nearby public transport stations for SL9 8NN
DistanceNameLinesDirections
0.7 mi

Gerrards Cross

N/A

Walking directions to Gerrards Cross

Parks

No parks nearby

Area Profile

Population
339
Population density
1,756.5 per km²

Crime

Crime per 1,000 population

Vehicle crime
9.35(+152%)
Violence and sexual offences
7.48(-76%)
Other theft
3.74(-33%)
Anti-social behaviour
2.34(-81%)
Burglary
2.34(-10%)
South East average

Demographics

Ethnic groups

British
281
82.89%
Indian
16
4.72%
Irish
14
4.13%
Other White
7
2.06%
Pakistani
5
1.47%
Total population: 339

Economics

Education (age 16+)

Level 4+ (Degree)
187
70.57%
Level 2 (GCSEs 9-4)
27
10.19%
Level 3 (A level)
22
8.3%
No qualifications
13
4.91%
Level 1 (GCSEs 3-1)
11
4.15%
Total 16+ residents: 265

Housing

Housing tenure

Owns outright
58
48.33%
Owns with a mortgage
55
45.83%
Private landlord or letting agency
6
5%
Other forms of private rent
1
0.83%
Total households: 120

Schools

In the SL9 8NN postcode area, located within Chalfont St Peter West, there are 3 primary and 1 secondary schools in close proximity.

Nearby primary and secondary schools for SL9 8NN
DistancePhaseNameTypeRating
0.3 miNot applicableThorpe House SchoolOther independent school

N/A

0.4 miPrimarySt Joseph's Catholic Primary SchoolAcademy converter

N/A

0.4 miNot applicableSt Mary's SchoolOther independent school

N/A

Local amenities

No Supermarkets & Convenience Stores nearby