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Get started1 Clayton is an end-of-terrace house in Barnet, London, London (NW9 5NT). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (January 2026) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2014. Between certificates, wall efficiency went from Poor to Good and lighting went from Good to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 78). This certificate was lodged in the last six months, so the rating reflects current condition.
Held since September 1999 — that's 27 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £419,000 sits 353% above the 1999 sale of £92,500. On a £-per-square-foot basis, the last sale (£98/sq ft) was about 55.5% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs).
The EPC has just been inspected, so the rating reflects current condition.
1 Clayton's modelled value sits at over four times its earliest registered sale price (1999).
£419,000
Modelled from EPC, postcode comparables.
£92,500
Recorded with HM Land Registry.
On price per m², 1 Clayton runs well behind the street norm.
Price per m²
£1,051
Street avg £3,633
Floor Area
88 m²
Street avg 88 m²
Habitable Rooms
4 rooms
Street avg 4 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
57.8dB

Changes detected from historical EPC data
Cavity wall insulation installed
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
8 September 1999Most recent
£92,500
Median price across the last 5 sales in NW9 5NT: £350,000 (2023–2012).
CO₂ Emissions
3.1 t/year
Street avg 3.0 t/year
Closest school
0.3 km
St James' Catholic High School. 49 schools nearby.
Night-time· 23:00 – 07:00
48.4dB
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