4, How Field, AL5 3AU

4 How Field is a 158 m² / 1,701 sq ft detached home in Harpenden. It sold for £810,000 in July 2010. Indexed forward to today's value, that sale is roughly £1,203k. Recent local prices imply a broad valuation context of £962k to £1,283k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.

Property data
Sale history
Date Paid price Annual growth After inflation
Jul 2010 £810,000 6.5% 4.2%
Nov 2002 £500,000 na na
Internal area
158 square metres (1,701 square feet) according to latest EPC inspection
Price per internal area

This property sold for £5,126 per square metre (£476 per square foot) in Jul 2010. Indexed forward to today's value, this is roughly £7,611 per square metre (£707 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Jul 2010 £810,000 £5,127 £1,202,502 £7,611
Nov 2002 £500,000 £3,165 £1,238,864 £7,841

Calculated using the latest EPC internal area of 158 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 £1,202,502. 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 £6,090 and £8,120 per square metre (£565 and £754 per square foot). Based on an internal area of 158 m², this implies a valuation between £962,000 and £1,283,000. 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
5
Type
Detached
Council tax band
G
Plot size
483 square metres (5,199 square feet) - map showing freehold boundary lines
EPC Inspections
Summary:
18 May 2010 - energy performance certificate grade D
Reason for EPC:
None
Tenure:
Owner-occupied
Property type:
None , has 7 habitable rooms. Estimated year built 1967 to 1975
Area:
158 sqm (1,701 square foot) total internal area
Comments:
Frequently asked questions

4 How Field 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 £1,202,502.
  • Based on an internal area of 158 m² and recent prices in Harpenden, this implies a lower and upper quartile range from £962,000 to £1,283,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 4 How Field last sold for £810,000 in July 2010.

HouseMetric shows 4 How Field as 158 m² (1,701 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 5 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 D, from an inspection dated 18 May 2010. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 4 How Field was in council tax band G. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

4 How Field is in postcode AL5 3AU, in Harpenden. You can also view HouseMetric's sold-price page for How Field, AL5 3AU 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 2 July 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.