9, Barns Dene, AL5 2HH
9 Barns Dene is a 151 m² / 1,625 sq ft detached home in Harpenden. It sold for £1,425,000 in February 2023. Indexed forward to today's value, that sale is roughly £1,298k. Recent local prices imply a broad valuation context of £1,046k to £1,424k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.
- Sale history
-
£1,425,000 on Feb 2023
- Floor plan
-
Archived estate agent floor plan for 9, Barns Dene.
- Internal area
- 151 square metres (1,625 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £9,437 per square metre (£877 per square foot) in Feb 2023. Indexed forward to today's value, this is roughly £8,596 per square metre (£799 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Feb 2023 £1,425,000 £9,437 £1,298,059 £8,596 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 £1,298,059. 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 £6,930 and £9,430 per square metre (£643 and £876 per square foot). Based on an internal area of 151 m², this implies a valuation between £1,046,000 and £1,424,000. 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
- G
- Plot size
- 661 square metres (7,115 square feet) - map showing freehold boundary lines
- Planning ref:
- February 2024 5/2023/1672
- Type:
- Full and householder planning application
- Status:
- Application approved with conditions
- Address:
- 9 Barns Dene Harpenden Hertfordshire
- Description:
- Part single, part two storey front and side, and single storey rear extensions, alterations to openings
- Planning ref:
- April 2022 5/2022/0515
- Type:
- Full and householder planning application
- Status:
- Application approved with conditions
- Address:
- 9 Barns Dene Harpenden Hertfordshir
- Description:
- Single storey front extension to form larger entrance hall with new replacement pitched roof in place of existing front flat roof
- Planning ref:
- February 2019 5/2018/3398
- Type:
- Full and householder planning application
- Status:
- Application approved with conditions
- Address:
- 9 Barns Dene Harpenden Hertfordshir
- Description:
- Partial conversion of garage to habitable accommodation, associated raising of roof and insertion of rooflight
- Summary:
- 22 September 2022 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Detached House , has 7 habitable rooms. Estimated year built 1950 to 1966
- Area:
- 151 sqm (1,625 square foot) total internal area
- Comments:
- Walls: Cavity wall, filled cavity. Roof: Pitched, 50 mm loft insulation. Heating: Boiler and radiators, mains gas.
9 Barns Dene 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 £1,298,059.
- Based on an internal area of 151 m² and recent prices in Harpenden, this implies a lower and upper quartile range from £1,046,000 to £1,424,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.