10, Knowle Drive, AL5 1RW
10 Knowle Drive is a 139 m² / 1,496 sq ft terraced home in Harpenden. It sold for £622,500 in June 2019. Indexed forward to today's value, that sale is roughly £721k. Recent local prices imply a broad valuation context of £823k to £1,070k based on its internal area. The Land Registry and EPC data was last updated 22 September 2026.
- Sale history
-
Date Paid price Annual growth After inflation Jun 2019 £622,500 12.5% 10.0% Sep 2016 £450,000 5.4% 3.1% Oct 2005 £255,000 9.2% 7.5% Aug 1999 £147,950 15.6% 13.2% Jan 1996 £87,500 na na - Floor plan
-
Archived estate agent floor plan for 10, Knowle Drive.
- Internal area
- 139 square metres (1,496 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £4,478 per square metre (£416 per square foot) in Jun 2019. Indexed forward to today's value, this is roughly £5,186 per square metre (£482 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Jun 2019 £622,500 £4,478 £720,800 £5,186 Sep 2016 £450,000 £3,237 £552,533 £3,975 Oct 2005 £255,000 £1,835 £573,647 £4,127 Aug 1999 £147,950 £1,064 £618,355 £4,449 Jan 1996 £87,500 £629 £658,045 £4,734 Calculated using the latest EPC internal area of 139 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 £720,800. 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 £5,920 and £7,700 per square metre (£549 and £715 per square foot). Based on an internal area of 139 m², this implies a valuation between £823,000 and £1,070,000. 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
- 3
- Type
- Terrace
- Council tax band
- D
- Plot size
- 268 square metres (2,885 square feet) - map showing freehold boundary lines
- Planning ref:
- January 2017 5/2016/3097
- Type:
- Full and householder planning application ; this application involves multiple dwellings
- Status:
- Application approved with conditions
- Address:
- 10 Knowle Drive Harpenden Hertfordshir
- Description:
- Single storey front, two storey side and first floor rear extensions, sunpipe to roof and alterations to openings
- Summary:
- 21 March 2018 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- None of the above
- Tenure:
- Unknown
- Property type:
- End-Terrace House , has 7 habitable rooms. Estimated year built 1950 to 1966
- Area:
- 139 sqm (1,496 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.
- Summary:
- 24 February 2016 - energy performance certificate grade C
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- marketed sale
- Tenure:
- Owner-occupied
- Property type:
- End-Terrace House , has 5 habitable rooms. Estimated year built 1976 to 1982
- Area:
- 97 sqm (1,044 square foot) total internal area
- Comments:
- Walls: Cavity wall, filled cavity. Roof: Pitched, 250 mm loft insulation. Heating: Boiler and radiators, mains gas.
10 Knowle Drive 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 £720,800.
- Based on an internal area of 139 m² and recent prices in Harpenden, this implies a lower and upper quartile range from £823,000 to £1,070,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.