Second Floor Flat, 25 Broomsleigh Street, London, NW6 1QQ
About Second Floor Flat
Second Floor Flat is a mid-terrace house in London (NW6 1QQ). It has a recorded floor area of 75 m² (around 807 sq ft) and construction records dating it to 1900-1929. The latest certificate (July 2025) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 4 certificates since October 2010. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 75).
Most recent transfer was August 2025 at £720,000 — fresh data. One planning record on file: new windows approved in 2013. Past consents include new windows, meaningful when judging how the property has evolved. At 75 m² it's 23% larger than the typical home in the postcode (61 m² median across 53 EPCs). Across 2015–2025, sale prices on this property compounded at 2.5% per year. On a £-per-square-foot basis, the last sale (£892/sq ft) was about 40.4% above the typical sold price in the postcode.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Hot water efficiency decreased
Heating controls changed
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Planning history
- Jun 2013RenovationFullIn report
Replacement of existing single glazed timber windows with double glazed timber windows to existing maisonette (Class C3).
New Windows- Documents
- 10 docs on file
- Reference
- 2013/2645/P
What's in Second Floor Flat, 25 Broomsleigh Street, London, NW6 1QQ's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Second Floor Flat valuation sits well clear of the typical sold price in this postcode.
£734,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.5% per year over 10 years.
£720,000
Growth on file: 2.5% per year over 10 years.
Sales timeline
28 August 2025Most recent
£720,000
+28.6%over 10 years20 August 2015
£560,000
Median price across the last 5 sales in NW6 1QQ: £970,000 (2025–2021).
Nearby sales in NW6 1QQ
75 Broomsleigh Street, Camden, London, NW6 1QQ
Sold Jan 2025
£970,00083a, Broomsleigh Street, London, NW6 1QQ
Sold Mar 2022
£730,00045 Broomsleigh Street, Camden, London, NW6 1QQ
Sold Mar 2022
£500,0005 Broomsleigh Street, Camden, London, NW6 1QQ
Sold Jul 2021
£1,525,00067 Broomsleigh Street, Camden, London, NW6 1QQ
Sold Mar 2021
£1,290,000
Versus other Broomsleigh Street homes
Years Held for Second Floor Flat lags the street by a wide margin.
Price per m²
£9,600
Street avg £6,155
Floor Area
75 m²
Street avg 55 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.6 t/year
Street avg 2.5 t/year
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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
0.2 km
Hillfield Road — bus stop.
Closest school
0.1 km
West Hampstead Primary School. 63 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
54.4dB

Night-time· 23:00 – 07:00
44.0dB








