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Get started43 Napier Avenue is a six-bedroom semi-detached house in Hammersmith And Fulham, London, London (SW6 3PS). It has a recorded floor area of 350 m² (around 3767 sq ft), construction records dating it to 1900-1929 and council tax band H. The latest certificate (April 2018) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in July 2009 the rating was G, the property has climbed 3 bands since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Very Poor to Poor and hot-water efficiency went from Poor to Good. The recommended improvements would lift it to B (score 82), a 2-band jump.
17 planning records sit against the property, 13 approved, 0 refused, 2 pending. Past consents include an extension, a basement excavation, a conservatory and partial demolition, meaningful when judging how the property has evolved. An active application for tree works is awaiting a decision. Sale prices here have outpaced London HPI: 4.4% per year against 0% for the wider region. Today's modelled estimate of £7,014,000 is 49.2% above the 2021 sale price. At 350 m² it's 20.7% larger than the typical home in the postcode (290 m² median across 17 EPCs). Sold July 2021 for £4,700,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
43 Napier Avenue's carbon output runs well above what efficient homes in the postcode produce.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Extension: Single storey · Rear of property
Variation of Condition 2 (approved drawings) of the planning permission reference: 2024/02892/FUL dated 21st February 2025 for the "Erection of a rear extension at first floor level; erection of a single storey rear extension with a green roof above, following the demolition of existing conservatory; erection of a new dormer window following the removal of existing, and installation of a rooflight in the front roofslope; installation of 2no. rooflights in the side roofslope; removal of an existing rooflight, and installation of 2no. rooflights in the rear roofslope; installation of new double glazed timber windows to replace all existing; installation of metal railings to the windows to the front and rear elevations of the hipped roof at second floor level; installation of a green roof above the flat roof, a new window to the side elevation, and 3no. double glazed timber French doors with Juliette balconies following the removal of existing windows to the rear elevation at first floor ... read more
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£7,014,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 12 years.
£4,700,000
Growth on file: 4.4% per year over 12 years.
43 Napier Avenue outperforms the street on habitable rooms by a wide margin.
Price per m²
£13,429
Street avg £12,919
Floor Area
350 m²
Street avg 301 m²
Habitable Rooms
10 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Putney Bridge Underground Station — subway entrance.

Daytime· 07:00 – 23:00
53.9dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Roof insulation improved
Floor insulation added or improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Rear of property
Further excavation of part of the rear garden, in connection with the creation of a habitable room to the rear; enlargement of existing rear lightwell, installation of new glazed sliding doors to replace existing doors to the rear elevation, removal of existing spiral staircase and erection of a new staircase leading from the rear lightwell into the rear garden with the erection of glazed balustrade above.
15 more applications for this property
Join to see all planning history.
15 July 2021Most recent
£4,700,000
+64.9%over 11 years4 December 2009
£2,850,000
Median price across the last 5 sales in SW6 3PS: £4,000,000 (2025–2019).
27 Napier Avenue Hammersmith And Fulham London
Sold Sept 2025
9 Napier Avenue Hammersmith And Fulham London
Sold Feb 2024
49 Napier Avenue Hammersmith And Fulham London
Sold Jul 2021
5 Napier Avenue Hammersmith And Fulham London
Sold Aug 2019
35 Napier Avenue Hammersmith And Fulham London
Sold Feb 2019
Street avg 8 rooms
CO₂ Emissions
11.0 t/year
Street avg 12.2 t/year
SW6 3SR
Closest school
0.4 km
Thomas's Academy. 61 schools nearby.
Flood risk
Very low
From the Environment Agency.
Night-time· 23:00 – 07:00
46.0dB
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