309, Knightsfield, AL8 7NJ
309 Knightsfield is a 136 m² / 1,464 sq ft detached home in Welwyn Garden City. It sold for £560,000 in October 2012. Indexed forward to today's value, that sale is roughly £824k. Recent local prices imply a broad valuation context of £660k to £845k based on its internal area. The Land Registry and EPC data was last updated 1 June 2026.
- Sale history
-
Date Paid price Annual growth After inflation Oct 2012 £560,000 3.7% 1.2% Nov 2002 £390,000 na na - Floor plan
-
Archived estate agent floor plan for 309, Knightsfield.
- Internal area
- 136 square metres (1,464 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £4,117 per square metre (£382 per square foot) in Oct 2012. Indexed forward to today's value, this is roughly £6,057 per square metre (£563 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Oct 2012 £560,000 £4,118 £823,718 £6,057 Nov 2002 £390,000 £2,868 £986,862 £7,256 Calculated using the latest EPC internal area of 136 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 £823,718. 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 Garden City are now selling for between £4,850 and £6,210 per square metre (£450 and £576 per square foot). Based on an internal area of 136 m², this implies a valuation between £660,000 and £845,000. 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
- F
- Planning ref:
- March 2014 N6/2014/0189/FP
- Type:
- Full and householder planning application
- Status:
- Application approved
- Address:
- 309 Knightsfield, Welwyn Garden City
- Description:
- Erection of single storey rear extension
- Planning ref:
- September 2013 W6/2013/0927/EM
- Type:
- Unknown type
- Status:
- Application refused
- Address:
- 309 Knightsfield, Welwyn Garden City
- Description:
- Paint external walls from white to magnolia
- Summary:
- 08 June 2016 - energy performance certificate grade E
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- ECO assessment
- Tenure:
- Owner-occupied
- Property type:
- Detached House , has 6 habitable rooms. Estimated year built 1930 to 1949
- Area:
- 175 sqm (1,884 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, 75 mm loft insulation. Heating: Boiler and radiators, mains gas.
- Summary:
- 22 August 2012 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- marketed sale
- Tenure:
- Unknown
- Property type:
- Detached House , has 6 habitable rooms. Estimated year built 1950 to 1966
- Area:
- 136 sqm (1,464 square foot) total internal area
- Comments:
- Walls: Cavity wall, filled cavity. Roof: Pitched, 150 mm loft insulation. Heating: Boiler and radiators, mains gas.
309 Knightsfield 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 £823,718.
- Based on an internal area of 136 m² and recent prices in Welwyn Garden City, this implies a lower and upper quartile range from £660,000 to £845,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.