21b, Kinsbourne Close, AL5 3PB

21b Kinsbourne Close is a 151 m² / 1,625 sq ft flat in Harpenden. It sold for £280,000 in September 2013. Indexed forward to today's value, that sale is roughly £407k. Recent local prices imply a broad valuation context of £926k to £1,247k based on its internal area. The Land Registry and EPC data was last updated 4 August 2026.

Property data
Sale history
£280,000 on Sep 2013
Floor plan

Archived estate agent floor plan for 21b, Kinsbourne Close.

Floorplan 21b
View floorplan
Internal area
151 square metres (1,625 square feet) according to latest EPC inspection
Price per internal area

This property sold for £1,854 per square metre (£172 per square foot) in Sep 2013. Indexed forward to today's value, this is roughly £2,694 per square metre (£250 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Sep 2013 £280,000 £1,854 £406,824 £2,694

Calculated using the latest EPC internal area of 151 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 £406,824. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Harpenden are now selling for between £6,130 and £8,260 per square metre (£569 and £767 per square foot). Based on an internal area of 151 m², this implies a valuation between £926,000 and £1,247,000. 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
Flat
Council tax band
D
Archived listings
History:
Archived rental listing for 21b Kinsbourne Close. Advertised on multiple portals. It was added on 29/09/2018. It last appeared Nov 2018.
Photos:

There are 8 archived estate agent listing photos for 21b Kinsbourne Close.

Photos for 21b Kinsbourne Close
View photos
Advertiser remarks:
  • 2 bedrooms
  • 1 bathrooms
EPC Inspections
Summary:
29 April 2025 - energy performance certificate grade B
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Marketed sale
Tenure:
Owner-occupied
Property type:
Maisonette , has 3 habitable rooms. Estimated year built 2012 to onwards
Area:
72 sqm (775 square foot) total internal area
Comments:
Walls: Timber frame, as built, insulated (assumed). Roof: Pitched, insulated (assumed). Heating: Boiler and underfloor, mains gas.
Summary:
09 August 2011 - energy performance certificate grade B
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
New dwelling
Tenure:
Unknown
Property type:
1st floor flat Estimated year built None to None
Area:
151 sqm (1,625 square foot) total internal area
Comments:
Heating: Boiler and radiators, mains gas.
Frequently asked questions

21b Kinsbourne Close 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 £406,824.
  • Based on an internal area of 151 m² and recent prices in Harpenden, this implies a lower and upper quartile range from £926,000 to £1,247,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 21b Kinsbourne Close last sold for £280,000 in September 2013.

HouseMetric shows 21b Kinsbourne Close as 151 m² (1,625 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 B, from an inspection dated 29 April 2025. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 21b Kinsbourne Close was in council tax band D. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

21b Kinsbourne Close is in postcode AL5 3PB, in Harpenden. You can also view HouseMetric's sold-price page for Kinsbourne Close, AL5 3PB or analysis of the Harpenden property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 4 August 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.