Property data
Sale history
£1,000,000 on Sep 2025
Floor plan
Floorplan 21
View floorplan
Internal area
157 square metres (1,690 square feet) according to latest EPC inspection
£ per square meter (foot)
£6,369 per sqm (£592 per sqft) in Sep 2025. For context, homes in Mill Hill Broadway are now selling for between £5,380 and £6,820 per square metre (£499 and £633 per square foot) . See the analysis of Mill Hill Broadway NW7-3 housing market.
Valuation comparables
Infer the current value by seeing what similar properties have sold for recently. To view this list for 21, Derwent Avenue using the valuation comparables search tool, join now.
Bedrooms
3
Type
Semi-detached
Council tax band
E
Plot size
340 square metres (3,660 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 21 Derwent Avenue. Advertised on multiple portals. It was added on 04/06/2025.
Photos:

There are 22 historic photos of 21 Derwent Avenue.

Photos for 21 Derwent Avenue
View photos
Advertiser remarks:
  • 4 bedrooms
  • 3 bathrooms
Planning applications
Planning ref:
September 2014 H/03941/14
Type:
Outline application - proposal prior to a full application, including assessments and scoping opinions.
Status:
Status not known
Address:
21 Derwent Avenue, London
Description:
single storey side extension
EPC Inspections
Summary:
20 May 2025 - energy performance certificate grade E
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Semi-Detached House , has 6 habitable rooms. Estimated year built 1930 to 1949
Area:
157 sqm (1,690 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, LPG.

Summary:
17 March 2015 - energy performance certificate grade D
Reason for EPC:
none of the above
Tenure:
Owner-occupied
Property type:
Semi-Detached House , has 5 habitable rooms. Estimated year built 1900 to 1929
Area:
123 sqm (1,324 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, no insulation. Heating: Boiler and radiators, mains gas.

Summary:
25 February 2014 - energy performance certificate grade E
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Semi-Detached House , has 5 habitable rooms. Estimated year built 1930 to 1949
Area:
101 sqm (1,087 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 200 mm loft insulation. Heating: Boiler and radiators, mains gas.