1a, Canonsfield, AL6 0QB

1a Canonsfield is a 363 m² / 3,907 sq ft detached home in Welwyn. It sold for £1,350,000 in March 2023. Indexed forward to today's value, that sale is roughly £1,268k. Recent local prices imply a broad valuation context of £1,750k to £2,247k based on its internal area. The Land Registry and EPC data was last updated 22 September 2026.

Property data
Sale history
Date Paid price Annual growth After inflation
Mar 2023 £1,350,000 4.8% 2.1%
May 2010 £735,000 -3.9% -6.3%
Sep 2006 £850,000 11.6% 9.7%
Jul 1998 £350,000 na na
Floor plan

Archived estate agent floor plan for 1a, Canonsfield.

Floorplan 1a
View floorplan
Internal area
363 square metres (3,907 square feet) according to latest EPC inspection
Price per internal area

This property sold for £3,719 per square metre (£346 per square foot) in Mar 2023. Indexed forward to today's value, this is roughly £3,493 per square metre (£325 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Mar 2023 £1,350,000 £3,719 £1,268,069 £3,493
May 2010 £735,000 £2,025 £1,181,805 £3,256
Sep 2006 £850,000 £2,342 £1,763,555 £4,858
Jul 1998 £350,000 £964 £1,595,559 £4,395

Calculated using the latest EPC internal area of 363 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 £1,268,069. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Welwyn are now selling for between £4,820 and £6,190 per square metre (£447 and £575 per square foot). Based on an internal area of 363 m², this implies a valuation between £1,750,000 and £2,247,000. 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
1,119 square metres (12,045 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 1a Canonsfield. Advertised on multiple portals. It was added on 26/12/2022. It last appeared Mar 2023.
Photos:

There are 52 archived estate agent listing photos for 1a Canonsfield.

Photos for 1a Canonsfield
View photos
Advertiser remarks:
  • 5 bedrooms
  • 5 bathrooms
EPC Inspections
Summary:
30 May 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 11 habitable rooms. Estimated year built 1976 to 1982
Area:
363 sqm (3,907 square foot) total internal area
Comments:
Walls: Cavity wall, as built, partial insulation (assumed). Roof: Pitched, 150 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

1a Canonsfield 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 £1,268,069.
  • Based on an internal area of 363 m² and recent prices in Welwyn, this implies a lower and upper quartile range from £1,750,000 to £2,247,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 1a Canonsfield last sold for £1,350,000 in March 2023.

HouseMetric shows 1a Canonsfield as 363 m² (3,907 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 30 May 2022. EPC information comes from the public Energy Performance Certificate data for England and Wales.

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

1a Canonsfield is in postcode AL6 0QB, in Welwyn. You can also view HouseMetric's sold-price page for Canonsfield, AL6 0QB or analysis of the Welwyn property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 22 September 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.