3a, Mill Lane, AL6 9EY
3a Mill Lane is a 52 m² / 560 sq ft semi-detached home in Welwyn. It sold for £360,000 in January 2021. Indexed forward to today's value, that sale is roughly £396k. Recent local prices imply a broad valuation context of £244k to £304k 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 Jan 2021 £360,000 20.3% 19.5% Nov 2019 £290,000 na na - Floor plan
-
Archived estate agent floor plan for 3a, Mill Lane.
- Internal area
- 52 square metres (560 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £6,923 per square metre (£643 per square foot) in Jan 2021. Indexed forward to today's value, this is roughly £7,606 per square metre (£707 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Jan 2021 £360,000 £6,923 £395,536 £7,606 Nov 2019 £290,000 £5,577 £336,258 £6,466 Calculated using the latest EPC internal area of 52 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 £395,536. 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 £4,690 and £5,850 per square metre (£435 and £543 per square foot). Based on an internal area of 52 m², this implies a valuation between £244,000 and £304,000. 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
- na
- Type
- Semi-detached
- Council tax band
- na
- Plot size
- 65 square metres (700 square feet) - map showing freehold boundary lines
- Summary:
- 10 October 2025 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Rental
- Tenure:
- Private rental
- Property type:
- Semi-Detached House , has 3 habitable rooms. Estimated year built 1900 to 1929
- Area:
- 58 sqm (624 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, insulated (assumed). Heating: Boiler and radiators, mains gas.
- Summary:
- 22 September 2015 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Semi-Detached House , has 3 habitable rooms. Estimated year built 1900 to 1929
- Area:
- 52 sqm (560 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, insulated at rafters. Heating: Boiler and radiators, mains gas.
3a Mill Lane 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 £395,536.
- Based on an internal area of 52 m² and recent prices in Welwyn, this implies a lower and upper quartile range from £244,000 to £304,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.