1, How Field, AL5 3AU

1 How Field is a 209 m² / 2,250 sq ft detached home in Harpenden. It sold for £950,000 in July 2013. Indexed forward to today's value, that sale is roughly £1,362k. Recent local prices imply a broad valuation context of £1,273k to £1,697k 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 2013 £950,000 9.9% 7.0%
Dec 2009 £675,000 na na
Internal area
209 square metres (2,250 square feet) according to latest EPC inspection
Price per internal area

This property sold for £4,545 per square metre (£422 per square foot) in Jul 2013. Indexed forward to today's value, this is roughly £6,516 per square metre (£605 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Jul 2013 £950,000 £4,545 £1,361,917 £6,516
Dec 2009 £675,000 £3,230 £1,145,665 £5,482

Calculated using the latest EPC internal area of 209 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 £1,361,917. 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 209 m², this implies a valuation between £1,273,000 and £1,697,000. 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
442 square metres (4,758 square feet) - map showing freehold boundary lines
EPC Inspections
Summary:
26 March 2026 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Private rental
Property type:
Detached House , has 8 habitable rooms. Estimated year built 1967 to 1975
Area:
129 sqm (1,389 square foot) total internal area
Comments:
Walls: Cavity wall, filled cavity. Roof: Pitched, 270 mm loft insulation. Heating: Boiler and radiators, mains gas.
Summary:
07 February 2015 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
None of the above
Tenure:
Owner-occupied
Property type:
Detached House , has 8 habitable rooms. Estimated year built 1967 to 1975
Area:
210 sqm (2,260 square foot) total internal area
Comments:
Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, 12 mm loft insulation. Heating: Boiler and radiators, mains gas.
Summary:
27 February 2014 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
None of the above
Tenure:
Owner-occupied
Property type:
Detached Bungalow , has 9 habitable rooms. Estimated year built 1967 to 1975
Area:
248 sqm (2,669 square foot) total internal area
Comments:
Walls: Cavity wall, as built, no insulation (assumed). Roof: Flat, insulated (assumed). Heating: Boiler and radiators, mains gas.
Summary:
02 May 2013 - 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 8 habitable rooms. Estimated year built 1967 to 1975
Area:
209 sqm (2,250 square foot) total internal area
Comments:
Walls: Cavity wall, as built, no insulation (assumed). Roof: Flat, insulated (assumed). Heating: Boiler and radiators, mains gas.
Frequently asked questions

1 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 £1,361,917.
  • Based on an internal area of 209 m² and recent prices in Harpenden, this implies a lower and upper quartile range from £1,273,000 to £1,697,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 1 How Field last sold for £950,000 in July 2013.

HouseMetric shows 1 How Field as 209 m² (2,250 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 4 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 C, from an inspection dated 26 March 2026. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 1 How Field was in council tax band G. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

1 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.