21, Windmill Drive, WD3 3FF
21 Windmill Drive is a 121 m² / 1,302 sq ft semi-detached home in Croxley Green. It sold for £790,000 in September 2025. Indexed forward to today's value, that sale is roughly £809k. Recent local prices imply a broad valuation context of £704k to £904k 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 Sep 2025 £790,000 1.9% -2.4% Jun 2022 £742,000 5.4% 2.3% Aug 2017 £575,000 na na - Floor plan
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Archived estate agent floor plan for 21, Windmill Drive.
- Internal area
- 121 square metres (1,302 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £6,528 per square metre (£606 per square foot) in Sep 2025. Indexed forward to today's value, this is roughly £6,682 per square metre (£621 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Sep 2025 £790,000 £6,529 £808,537 £6,682 Jun 2022 £742,000 £6,132 £752,420 £6,218 Aug 2017 £575,000 £4,752 £654,779 £5,411 Calculated using the latest EPC internal area of 121 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 £808,537. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Croxley Green are now selling for between £5,820 and £7,470 per square metre (£540 and £693 per square foot). Based on an internal area of 121 m², this implies a valuation between £704,000 and £904,000. 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
- 3
- Type
- Semi-detached
- Council tax band
- F
- Plot size
- 266 square metres (2,863 square feet) - map showing freehold boundary lines
- Planning ref:
- November 2023 23/1620/FUL
- Type:
- Full and householder planning application
- Status:
- Application approved
- Address:
- 21 Windmill Drive Croxley Green Rickmansworth Hertfordshir
- Description:
- Conversion of garage in to habitable accommodation including raising roof height of front porch and existing garage. Alterations to the existing frontage to create extended driveway.
- Planning ref:
- May 2018 17/1633/FUL
- Type:
- Full and householder planning application
- Status:
- Application approved
- Address:
- 21 Windmill Drive Croxley Green
- Description:
- Demolition of existing dwelling and construction of two dwellings
- Summary:
- 27 August 2024 - energy performance certificate grade C
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Mid-Terrace House , has 6 habitable rooms. Estimated year built 1983 to 1990
- Area:
- 121 sqm (1,302 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, insulated (assumed). Roof: Pitched, 300 mm loft insulation. Heating: Boiler and radiators, mains gas.
- Summary:
- 09 July 2021 - energy performance certificate grade C
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Semi-Detached House , has 6 habitable rooms. Estimated year built 1967 to 1975
- Area:
- 104 sqm (1,119 square foot) total internal area
- Comments:
- Walls: Cavity wall, filled cavity. Roof: Pitched, 300 mm loft insulation. Heating: Boiler and radiators, mains gas.
- Summary:
- 20 February 2017 - 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 4 habitable rooms. Estimated year built 1976 to 1982
- Area:
- 86 sqm (926 square foot) total internal area
- Comments:
- Walls: Cavity wall, filled cavity. Roof: Pitched, 200 mm loft insulation. Heating: Boiler and radiators, mains gas.
21 Windmill Drive 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 £808,537.
- Based on an internal area of 121 m² and recent prices in Croxley Green, this implies a lower and upper quartile range from £704,000 to £904,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.