23, Barns Dene, AL5 2HH
23 Barns Dene is a 403 m² / 4,338 sq ft detached home in Harpenden. It sold for £1,975,000 in January 2018. Indexed forward to today's value, that sale is roughly £2,178k. Recent local prices imply a broad valuation context of £2,793k to £3,800k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.
- Sale history
-
Date Paid price Annual growth After inflation Jan 2018 £1,975,000 8.3% 6.0% May 2007 £840,000 na na - Floor plan
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Archived estate agent floor plan for 23, Barns Dene.
- Internal area
- 403 square metres (4,338 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £4,900 per square metre (£455 per square foot) in Jan 2018. Indexed forward to today's value, this is roughly £5,404 per square metre (£502 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Jan 2018 £1,975,000 £4,901 £2,177,996 £5,404 May 2007 £840,000 £2,084 £1,499,537 £3,721 Calculated using the latest EPC internal area of 403 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 £2,177,996. 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 403 m², this implies a valuation between £2,793,000 and £3,800,000. 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
- H
- Plot size
- 836 square metres (8,999 square feet) - map showing freehold boundary lines
- Summary:
- 12 September 2009 - energy performance certificate grade B
- Reason for EPC:
- None
- Tenure:
- Unknown
- Property type:
- None Estimated year built None to None
- Area:
- 403 sqm (4,338 square foot) total internal area
- Comments:
23 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 £2,177,996.
- Based on an internal area of 403 m² and recent prices in Harpenden, this implies a lower and upper quartile range from £2,793,000 to £3,800,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.