Over the past 30 years, there have been 25 property sales recorded in the SL9 8NN postcode area. The highest sale price reached £1,875,000, while the most recent sale was a property sold in March 2025 for £356,000.

The estimated average property value in SL9 8NN currently stands at £1,482,931, which is roughly in line with the city average (within ±8%), suggesting property prices reflect broader market trends.

In terms of size, the average price per square metre is approximately £7,842.

Property prices in SL9 8NN have risen by 1.9% over the past year , with a total increase of 16.8% over the past five years, and a long-term rise of 43.7% over the past decade.

The most common type of property sold in the area is detached, making up around 88% of transactions , followed by semi-detached.

Housing in SL9 8NN is predominantly owner-occupied, with an estimated 100% of homes being lived in by the owners.

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Property Sales

1 Austenway, Chalfont St Peter, Gerrards Cross, Buckinghamshire, SL9 8NN

🏠 Detached
🛏️ 7bed
📐 1485 sq ft
Today
£1,087,696
streetscan.co.uk estimate
29 Feb 2024
£1,055,000
26 Aug 2004
£575,000
More details

11 Austenway, Chalfont St Peter, Gerrards Cross, Buckinghamshire, SL9 8NN

🏠 Detached
🛏️ 7bed
📐 1615 sq ft
Today
£1,324,824
streetscan.co.uk estimate
14 Feb 2024
£1,285,000
More details

17 Austenway, Chalfont St Peter, Gerrards Cross, Buckinghamshire, SL9 8NN

Today
£1,410,025
streetscan.co.uk estimate
10 Mar 2023
£1,355,000
18 Aug 2004
£562,850

19 Austenway, Chalfont St Peter, Gerrards Cross, Buckinghamshire, SL9 8NN

🏠 Semi-detached
🛏️ 9bed
📐 2906 sq ft
Today
£1,590,340
streetscan.co.uk estimate
31 Oct 2023
£1,550,000
More details

23 Austenway, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 8NN

Today
£1,297,931
streetscan.co.uk estimate
31 Aug 1995
£244,500

25 Austenway, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 8NN

🏠 Detached
🛏️ 7bed
📐 1897 sq ft
Today
£1,376,839
streetscan.co.uk estimate
16 Dec 2011
£825,000
26 May 2004
£620,000
More details

27 Austenway, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 8NN

Today
£1,555,259
streetscan.co.uk estimate
25 Oct 1996
£307,000

3 Austenway, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 8NN

🏠 Detached
🛏️ 8bed
📐 1636 sq ft
Today
£1,303,192
streetscan.co.uk estimate
10 Sep 2018
£1,170,000
11 Feb 2010
£790,000
More details

33 Austenway, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 8NN

🏠 Detached
🛏️ 8bed
📐 2713 sq ft
Today
£2,141,018
streetscan.co.uk estimate
11 Jul 2017
£1,875,000
More details

35 Austenway, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 8NN

🏠 Detached
🛏️ 11bed
📐 3606 sq ft
Today
£2,231,138
streetscan.co.uk estimate
9 Jul 2015
£1,670,000
30 Jun 2011
£1,200,000
More details

39 Austenway, Chalfont St Peter, Gerrards Cross, Buckinghamshire, SL9 8NN

🏠 Detached
🛏️ 7bed
📐 2142 sq ft
Today
£1,379,978
streetscan.co.uk estimate
16 Nov 2020
£1,250,000
25 Jul 2016
£860,000
View +4 more
More details

9 Austenway, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 8NN

🏠 Detached
🛏️ 9bed
📐 2185 sq ft
Today
£1,807,299
streetscan.co.uk estimate
23 Apr 2014
£1,171,666
31 Mar 2006
£640,000
More details

Guild House, 25 Austenway, Chalfont St Peter, Gerrards Cross, Buckinghamshire, SL9 8NN

Today
£353,520
streetscan.co.uk estimate
28 Mar 2025
£356,000

Thanet House, 29 Austenway, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 8NN

Today
£2,082,940
streetscan.co.uk estimate
16 Dec 2009
£1,150,000

Area Insights

Data Sources

Properties at SL9 8NN appear twenty-five times in the Land Registry records, with the latest transaction recorded on 28 Mar 2025. It also has nine Energy Performance Certificates (EPC) entries, the earliest dating back to 25 Jul 2013. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.

Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.