Property data
Sale history
£695,915 on Aug 2001 (est. today's value: £1,826,157)
Bedrooms
6
Type
Detached
Council tax band
G
Plot size
834 square metres (8,977 square feet) - map showing freehold boundary lines
Planning applications
Planning ref:
March 2019 PL/19/0140/FA
Type:
Full and householder planning application ; this application involves multiple dwellings
Status:
Application approved with conditions
Address:
Keynes 30 Austenway Chalfont St Peter Buckinghamshire
Description:
Retrospective application for the conversion of a double garage to an annex providing additional accommodation.

Planning ref:
December 2017 CH/2017/40056/IQM
Type:
Outline application - proposal prior to a full application, including assessments and scoping opinions.
Status:
Application approved
Address:
Keynes 30 Austenway Chalfont St Peter Buckinghamshir
Description:
Pre-Application Enquiry - CONFIDENTIAL

Planning ref:
December 2017 CH/2017/1923/FA
Type:
Full and householder planning application
Status:
Application approved with conditions
Address:
Keynes 30 Austenway Chalfont St Peter Buckinghamshire
Description:
Part two storey, part single storey rear extension, single storey side extensions incorporating porch alterations, replacement double garage, insertion of 3 roof lights and fenestration alterations

Planning ref:
March 2017 CH/2016/2314/FA
Type:
Full and householder planning application
Status:
Application withdrawn before a decision was taken
Address:
Keynes 30 Austenway Chalfont St Peter Buckinghamshire
Description:
Replacement dwelling and detached garage
Frequently asked questions

According to HM Land Registry price paid data, 30 Austenway last sold for £695,915 in August 2001.

The bedroom count is shown as 6 bedrooms. Bedroom numbers can come from a previous estate agency listing, an EPC record, or an estimate based on the size of the property.

When we last checked, 30 Austenway was in council tax band G. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

30 Austenway is in postcode SL9 8NW, in Chalfont St Peter. You can also view HouseMetric's sold-price page for Austenway, SL9 8NW or analysis of the Chalfont St Peter property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 1 June 2026. Figures such as indexed values and local valuation ranges are calculated estimates for context, while official records can change as public datasets are updated.

For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.