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Get started3 Cobham is a two-bedroom mid-terrace house in Barnet, London, London (NW9 5NR). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (November 2025) shows a C (score 79), near the top of the C band. When first surveyed in July 2016 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average, window efficiency went from Poor to Average and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 89). This certificate was lodged in the last six months, so the rating reflects current condition.
Sale prices here have outpaced London HPI: 9.4% per year against 0% for the wider region. Today's modelled estimate of £439,000 is 33% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£333/sq ft) was about 95.7% above the typical sold price in the postcode. On the market in March 2017 and unlisted since — roughly 9 years.
The EPC has just been inspected, so the rating reflects current condition.
3 Cobham has more than quadrupled in price since its earliest registered sale in 1996.
£439,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.4% per year over 21 years.
£330,000
Growth on file: 9.4% per year over 21 years.
3 Cobham outperforms the street on epc rating by a wide margin.
Price per m²
£3,587
Street avg £2,564
Floor Area
92 m²
Street avg 89 m²
Habitable Rooms
3 rooms
Rail-style transport is unusually close for this postcode.
Crime
15/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Royal Air Force Museum — bus stop.

Daytime· 07:00 – 23:00
58.0dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
3 March 2017Most recent
£330,000
+560.0%over 21 years29 February 1996
£50,000
Median price across the last 5 sales in NW9 5NR: £225,000 (2023–2005).
Street avg 4 rooms
CO₂ Emissions
1.8 t/year
Street avg 3.7 t/year
NW9 5NX
Closest school
0.3 km
St James' Catholic High School. 49 schools nearby.
Night-time· 23:00 – 07:00
48.8dB
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