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Get startedFlat 3 is a one-bedroom mid-terrace house in London (NW1 8LB). It has a recorded floor area of 34 m² (around 366 sq ft) and construction records dating it to before 1900. At 34 m² this is the smallest unit on EPC record across the building (34–65 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (59 versus a best of 77). The latest certificate (October 2025) shows a D (score 59), a step below the typical UK home. Earlier certificates rated it C (November 2012); the latest reading is one band lower. 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 Good to Average and main heating dropped from Good to Poor. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity.
Sale prices here have outpaced London HPI: 7.1% per year against 0% for the wider region. Today's modelled estimate of £530,000 is 14.5% below the 2015 sale of £620,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£1,694/sq ft) was about 91% above the typical sold price in the postcode. At 34 m² it sits well below the postcode median (98 m² across 29 EPCs), making it one of the more compact homes locally. Last changed hands 11 years ago, in September 2015.
Flat 3's carbon output is low for the local stock.
Sale price has at least doubled since 2003.
£530,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 12 years.
£620,000
Growth on file: 7.1% per year over 12 years.
On floor area, Flat 3 runs well behind the street norm.
Price per m²
£18,235
Street avg £13,851
Floor Area
34 m²
Street avg 80 m²
Habitable Rooms
2 rooms
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Regent's Park Road — bus stop.

Daytime· 07:00 – 23:00
55.9dB

Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Hot water system changed
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
2 September 2015Most recent
£620,000
+129.6%over 12 years31 July 2003
£270,000
Median price across the last 5 sales in NW1 8LB: £1,300,000 (2024–2020).
101a Gloucester Avenue Camden London
Sold Nov 2024
Second Floor Flat 123 Gloucester Avenue London
Sold Nov 2022
First Floor Flat 101 Gloucester Avenue London
Sold Oct 2022
Flat 2 111 Gloucester Avenue London
Sold Feb 2022
99 Gloucester Avenue Camden London
Sold Dec 2020
Street avg 3 rooms
CO₂ Emissions
0.7 t/year
Street avg 3.1 t/year
NW1 8SJ
Closest school
0.2 km
Primrose Hill School. 72 schools nearby.
Night-time· 23:00 – 07:00
46.1dB
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