21, Barns Dene, AL5 2HH
21 Barns Dene is a 215 m² / 2,314 sq ft detached home in Harpenden. It sold for £1,375,000 in August 2016. Indexed forward to today's value, that sale is roughly £1,539k. Recent local prices imply a broad valuation context of £1,490k to £2,027k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.
- Sale history
-
£1,375,000 on Aug 2016
- Floor plan
-
Archived estate agent floor plan for 21, Barns Dene.
- Internal area
- 215 square metres (2,314 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £6,395 per square metre (£594 per square foot) in Aug 2016. Indexed forward to today's value, this is roughly £7,159 per square metre (£665 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Aug 2016 £1,375,000 £6,395 £1,539,283 £7,159 Calculated using the latest EPC internal area of 215 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 £1,539,283. 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 215 m², this implies a valuation between £1,490,000 and £2,027,000. 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
- 949 square metres (10,215 square feet) - map showing freehold boundary lines
- Planning ref:
- December 2017 5/2017/2824
- Type:
- Full and householder planning application
- Status:
- Application approved with conditions
- Address:
- 21 Barns Dene Harpenden Hertfordshir
- Description:
- Single storey front extension to create new porch, part single, part two storey rear extension with rooflights, first floor side extension with front dormer, ground floor front roof conversion from flat to pitched roof and alterations to openings followin
- Planning ref:
- September 2017 5/2017/0726
- Type:
- Discharge of conditions imposed on an existing application
- Status:
- Application approved with conditions
- Address:
- 21 Barns Dene Harpenden Hertfordshir
- Description:
- Discharge of Condition 3 (details of materials) of planning permission 5/2016/2801 dated 14/11/2016 for Single storey front extension to create new porch, part single, part two storey rear extension with rooflights, first floor side extension with front d
- Planning ref:
- November 2016 5/2016/2801
- Type:
- Full and householder planning application
- Status:
- Application approved with conditions
- Address:
- 21 Barns Dene Harpenden Hertfordshir
- Description:
- Single storey front extension to create new porch, part single, part two storey rear extension with rooflights, first floor side extension with front dormer, ground floor front roof conversion from flat to pitched roof and alterations to openings followin
- Summary:
- 26 April 2016 - 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 8 habitable rooms. Estimated year built 1950 to 1966
- Area:
- 215 sqm (2,314 square foot) total internal area
- Comments:
- Walls: Cavity wall, filled cavity. Roof: Pitched, 150 mm loft insulation. Heating: Boiler and radiators, mains gas.
21 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 £1,539,283.
- Based on an internal area of 215 m² and recent prices in Harpenden, this implies a lower and upper quartile range from £1,490,000 to £2,027,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.