21, Trinity Avenue, SL7 3AL
21 Trinity Avenue is a 174 m² / 1,873 sq ft terraced home in Marlow. It sold for £995,000 in July 2025. Indexed forward to today's value, that sale is roughly £928k. Recent local prices imply a broad valuation context of £945k to £1,239k 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 Jul 2025 £995,000 7.5% 4.6% Apr 2012 £380,000 3.4% 0.6% Oct 2006 £315,000 na na - Floor plan
-
Archived estate agent floor plan for 21, Trinity Avenue.
- Internal area
- 174 square metres (1,873 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £5,718 per square metre (£531 per square foot) in Jul 2025. Indexed forward to today's value, this is roughly £5,336 per square metre (£496 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Jul 2025 £995,000 £5,718 £928,455 £5,336 Apr 2012 £380,000 £2,184 £634,781 £3,648 Oct 2006 £315,000 £1,810 £620,758 £3,568 Calculated using the latest EPC internal area of 174 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 £928,455. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Marlow are now selling for between £5,430 and £7,120 per square metre (£504 and £661 per square foot). Based on an internal area of 174 m², this implies a valuation between £945,000 and £1,239,000. 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
- Terrace
- Council tax band
- D
- Plot size
- 295 square metres (3,175 square feet) - map showing freehold boundary lines
- Planning ref:
- October 2021 21/07357/FUL
- Type:
- Full and householder planning application
- Status:
- Application approved
- Address:
- 21 Trinity Avenue Marlow Buckinghamshire
- Description:
- Householder application for construction of single storey side extension, and part single, part two storey side / rear extension
- Summary:
- 30 January 2025 - 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 7 habitable rooms. Estimated year built 1950 to 1966
- Area:
- 174 sqm (1,873 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, insulated (assumed). Heating: Boiler and radiators, mains gas.
- Summary:
- 22 December 2020 - energy performance certificate grade E
- 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 1930 to 1949
- Area:
- 122 sqm (1,313 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.
- Summary:
- 18 June 2010 - energy performance certificate grade E
- Reason for EPC:
- None
- Tenure:
- Owner-occupied
- Property type:
- None , has 7 habitable rooms. Estimated year built 1930 to 1949
- Area:
- 101 sqm (1,087 square foot) total internal area
- Comments:
21 Trinity Avenue 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 £928,455.
- Based on an internal area of 174 m² and recent prices in Marlow, this implies a lower and upper quartile range from £945,000 to £1,239,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.