40b, Gascony Avenue, London, NW6 4NA
About 40b
40b is a mid-terrace house in London (NW6 4NA). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1900-1929 and council tax band D. At 57 m² this is the 25th smallest of 33 units on EPC record in the building, where floor areas span 33–126 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (April 2019) shows a C (score 74). When first surveyed in March 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 81).
At 57 m² it's 22% larger than the typical home in the postcode (47 m² median across 54 EPCs).
Everything you need to know about 40b
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
40b has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 40b
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
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Sales history & valuation
40b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£572,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in NW6 4NA: £264,000 (2025–2023).
Nearby sales in NW6 4NA
8 Gascony Avenue, Camden, London, NW6 4NA
Sold Feb 2025
£280,00028 Gascony Avenue, Camden, London, NW6 4NA
Sold Oct 2024
£264,00016 Gascony Avenue, Camden, London, NW6 4NA
Sold Sept 2024
£580,00012 Gascony Avenue, Camden, London, NW6 4NA
Sold Mar 2023
£17,000Flat B, 46 Gascony Avenue, London, NW6 4NA
Sold Jun 2022
£525,000
Versus other Gascony Avenue homes
EPC Rating for 40b runs comfortably ahead of the street norm.
EPC Rating
74 (C)
Street avg 66 (D)
Floor Area
57 m²
Street avg 51 m²
CO₂ Emissions
1.7 t/year
Street avg 2.4 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Everything you need to know about 40b
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Kingsgate Place — bus stop.
Closest school
0.1 km
Kingsgate Primary School. 76 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
55.3dB
Night-time· 23:00 – 07:00
45.5dB