Property data
Sale history
Date Paid price Annual growth After inflation
Feb 2021 £540,000 3.7% 1.8%
Dec 2008 £347,500 2.4% -0.6%
Feb 2006 £325,000 9.3% 7.5%
Aug 1996 New build New £139,950 na na
Floor plan

Archived estate agent floor plan for 20, Castlefields.

Floorplan 20
View floorplan
Internal area
114 square metres (1,227 square feet) according to latest EPC inspection
Price per internal area

This property sold for £4,736 per square metre (£440 per square foot) in Feb 2021. Indexed forward to today's value, this is roughly £5,317 per square metre (£494 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Feb 2021 £540,000 £4,737 £606,095 £5,317
Dec 2008 £347,500 £3,048 £640,704 £5,620
Feb 2006 £325,000 £2,851 £621,459 £5,451
Aug 1996 £139,950 £1,228 £623,902 £5,473

Calculated using the latest EPC internal area of 114 m². Earlier sale dates may not have had the same measured area available.

Valuation
The most recent sale price indexed forward to today's value is £606,095. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Aston Clinton are now selling for between £4,190 and £5,350 per square metre (£389 and £497 per square foot). Based on an internal area of 114 m², this implies a valuation between £478,000 and £610,000. Treat this as context only. For a valuation using hand-picked comparable sales, use the Advanced search tool — create a shortlist of similar condition homes, then export a valuation report.
Bedrooms
4
Type
Detached
Council tax band
F
Plot size
256 square metres (2,756 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 20 Castlefields. Advertised on multiple portals. It was added on 18/11/2020. It last appeared Apr 2021.
Photos:

There are 14 archived estate agent listing photos for 20 Castlefields.

Photos for 20 Castlefields
View photos
Advertiser remarks:
  • 4 bedrooms
  • 2 bathrooms
Planning applications
Planning ref:
July 2020 20/02425/ATP
Type:
Tree and hedge works
Status:
Application approved
Address:
20 Castlefields Stoke Mandeville Buckinghamshir
Description:
T2 Sycamore - Crown reduce selectively to remove around 1.5 meters from the radial crown spread towards No. 18 & No. 20. This work is to lessen the impact in terms of shade and the overbearing nature of this tree on both properties and gardens (18 & 20).The pruning to be undertaken sympathetically such that the overall good shape and balance of this tree is not adversely affected.

Planning ref:
December 2016 16/03561/ATP
Type:
Tree and hedge works
Status:
Application approved
Address:
20 Castlefields Stoke Mandeville Buckinghamshire
Description:
TP6105 T2 Sycamore 3-4ft reduction to maintain good health of the tree.

Planning ref:
April 2013 13/00218/ATP
Type:
Tree and hedge works
Status:
Application approved
Address:
20 Castlefields Stoke Mandeville Buckinghamshire
Description:
10% Reduction and 15% Crown thin No1 Sycamore
EPC Inspections
Summary:
12 November 2020 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Marketed sale
Tenure:
Owner-occupied
Property type:
Detached House , has 6 habitable rooms. Estimated year built 1996 to 2002
Area:
114 sqm (1,227 square foot) total internal area
Comments:
Walls: Cavity wall, as built, insulated (assumed). Roof: Pitched, 100 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

20 Castlefields is worth whatever price a willing buyer and seller agree upon. However, the following can provide useful context.

  • HouseMetric estimates the most recent sale price indexed forward to today's value is £606,095.
  • Based on an internal area of 114 m² and recent prices in Aston Clinton, this implies a lower and upper quartile range from £478,000 to £610,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 20 Castlefields last sold for £540,000 in February 2021.

HouseMetric shows 20 Castlefields as 114 m² (1,227 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 4 bedrooms. Bedroom numbers can come from a previous estate agency listing, an EPC record, or an estimate based on the size of the property.

The latest EPC rating shown by HouseMetric is C, from an inspection dated 12 November 2020. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 20 Castlefields was in council tax band F. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

20 Castlefields is in postcode HP22 5XY, in Aston Clinton. You can also view HouseMetric's sold-price page for Castlefields, HP22 5XY or analysis of the Aston Clinton property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 2 July 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.