20, Allen Road, KT23 4SL

20 Allen Road is a 86 m² / 926 sq ft detached home in Bookham. It sold for £490,000 in September 2020. Indexed forward to today's value, that sale is roughly £536k. Recent local prices imply a broad valuation context of £452k to £572k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.

Property data
Sale history
£490,000 on Sep 2020
Internal area
86 square metres (926 square feet) according to latest EPC inspection
Price per internal area

This property sold for £5,697 per square metre (£529 per square foot) in Sep 2020. Indexed forward to today's value, this is roughly £6,232 per square metre (£579 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Sep 2020 £490,000 £5,698 £535,925 £6,232

Calculated using the latest EPC internal area of 86 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 £535,925. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Bookham are now selling for between £5,250 and £6,650 per square metre (£487 and £617 per square foot). Based on an internal area of 86 m², this implies a valuation between £452,000 and £572,000. 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
2
Type
Detached
Council tax band
E
Plot size
455 square metres (4,898 square feet) - map showing freehold boundary lines
EPC Inspections
Summary:
17 January 2020 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Marketed sale
Tenure:
Owner-occupied
Property type:
Semi-Detached Bungalow , has 4 habitable rooms. Estimated year built 1967 to 1975
Area:
86 sqm (926 square foot) total internal area
Comments:
Walls: Cavity wall, filled cavity. Roof: Pitched, 270 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

20 Allen Road 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 £535,925.
  • Based on an internal area of 86 m² and recent prices in Bookham, this implies a lower and upper quartile range from £452,000 to £572,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 20 Allen Road last sold for £490,000 in September 2020.

HouseMetric shows 20 Allen Road as 86 m² (926 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 2 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 17 January 2020. EPC information comes from the public Energy Performance Certificate data for England and Wales.

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

20 Allen Road is in postcode KT23 4SL, in Bookham. You can also view HouseMetric's sold-price page for Allen Road, KT23 4SL or analysis of the Bookham 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.