20, Sitwell Grove, HA7 3NB
20 Sitwell Grove is a 134 m² / 1,442 sq ft semi-detached home in Stanmore. It sold for £655,000 in October 2025. Indexed forward to today's value, that sale is roughly £665k. Recent local prices imply a broad valuation context of £728k to £946k 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 2025 £655,000 2.4% -0.9% Oct 2015 £515,000 7.8% 5.4% Aug 2005 £240,000 na na - Floor plan
-
Archived estate agent floor plan for 20, Sitwell Grove.
- Internal area
- 134 square metres (1,442 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £4,888 per square metre (£454 per square foot) in Oct 2025. Indexed forward to today's value, this is roughly £4,961 per square metre (£461 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Oct 2025 £655,000 £4,888 £664,743 £4,961 Oct 2015 £515,000 £3,843 £593,055 £4,426 Aug 2005 £240,000 £1,791 £504,404 £3,764 Calculated using the latest EPC internal area of 134 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 £664,743. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Stanmore are now selling for between £5,430 and £7,060 per square metre (£504 and £655 per square foot). Based on an internal area of 134 m², this implies a valuation between £728,000 and £946,000. 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
- D
- Plot size
- 359 square metres (3,864 square feet) - map showing freehold boundary lines
- Title number
- NGL375515
- Tenure
- Freehold
- Title address
- 20 Sitwell Grove, Stanmore
- Owner
-
AL RAYAN BANK PLC
(Company reference number: 4483430)
Proprietor address: 4 Stratford Place, London W1C 1AT
Price paid on title: £655,000
Ownership record added to Land Registry's corporate ownership dataset 13 Nov 2015
- Planning ref:
- August 2019 P/2420/19
- Type:
- Full and householder planning application
- Status:
- Application refused
- Address:
- 20 Sitwell Grove, Stanmore, Harrow,
- Description:
- Single storey detached outbuilding in rear garden for use as self contained residential unit (granny annexe)
- Planning ref:
- September 2014 P/0877/14
- Type:
- Outline application - proposal prior to a full application, including assessments and scoping opinions.
- Status:
- Application approved
- Address:
- 20 Sitwell Grove, Stanmore,
- Description:
- Certificate of lawful development (proposed): alterations to roof to form end gable and rear dormer incorporating two rooflights in front roofslope and one window at side
- Planning ref:
- April 2014 P/0896/14
- Type:
- Full and householder planning application
- Status:
- Application approved
- Address:
- 20 Sitwell Grove, Stanmore,
- Description:
- Single storey rear extension: 4.5 Metres deep 3 metres maximum height and 3 metres high to the eaves
- Summary:
- 27 March 2025 - 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 1976 to 1982
- Area:
- 134 sqm (1,442 square foot) total internal area
- Comments:
- Walls: Cavity wall, filled cavity. Roof: Flat, insulated (assumed). Heating: Boiler and radiators, mains gas.
- Summary:
- 15 January 2015 - 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 5 habitable rooms. Estimated year built 1930 to 1949
- Area:
- 102 sqm (1,098 square foot) total internal area
- Comments:
- Walls: Cavity wall, filled cavity. Roof: Pitched, 200 mm loft insulation. Heating: Boiler and radiators, mains gas.
20 Sitwell Grove 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 £664,743.
- Based on an internal area of 134 m² and recent prices in Stanmore, this implies a lower and upper quartile range from £728,000 to £946,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.