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Get started51 Westpole Avenue is a four-bedroom semi-detached house in Cockfosters, Barnet, Barnet (EN4 0AY). It has a recorded floor area of 191 m² (around 2056 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (September 2025) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since December 2009. Between certificates, lighting went from Very Poor to Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Poor.
Untraded for 16 years, with the last transfer in September 2010. Sale prices here have outpaced Barnet HPI: 8.3% per year against 0% for the wider region. Today's modelled estimate of £1,174,000 sits 86.3% above the 2010 sale of £630,000. On a £-per-square-foot basis, the last sale (£306/sq ft) was about 40.5% below the postcode norm. At 191 m² the property is well over the postcode median (113 m² across 21 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved.
51 Westpole Avenue ranks among the most efficient homes in the postcode for energy use.
51 Westpole Avenue has 2 separate extension applications on the council record.
Extension: Part single, part two storey · Side and rear of property
Part single, part 2-storey side and rear extension (revised scheme).
51 Westpole Avenue's estimated value is more than triple its earliest registered sale price (2004).
£1,174,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.3% per year over 6 years.
£630,000
Growth on file: 8.3% per year over 6 years.
On price per m², 51 Westpole Avenue runs well behind the street norm.
Price per m²
£3,298
Street avg £5,834
Floor Area
191 m²
Street avg 121 m²
Habitable Rooms
7 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Peace Close — bus stop.

Daytime· 07:00 – 23:00
49.5dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
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Extension: Part single, part two storey · Side and rear of property
Part single, part 2-storey side and rear extension.
15 September 2010Most recent
£630,000
+68.0%over 6 years26 March 2004
£375,000
Median price across the last 5 sales in EN4 0AY: £755,000 (2025–2022).
Street avg 5 rooms
CO₂ Emissions
6.0 t/year
Street avg 5.5 t/year
EN4 0FE
Closest school
0.1 km
Southgate School. 26 schools nearby.
Night-time· 23:00 – 07:00
41.3dB
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