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Get started34 Westpole Avenue is a three-bedroom semi-detached house in Cockfosters, Barnet, Barnet (EN4 0AY). It has a recorded floor area of 131 m² (around 1410 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (October 2020) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2016. Between certificates, roof efficiency went from Poor to Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 3-band jump.
Sale prices here have outpaced Barnet HPI: 3.5% per year against 0% for the wider region. Today's modelled estimate of £866,000 is 22% above the 2021 sale price. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. At 131 m² it's 15.9% larger than the typical home in the postcode (113 m² median across 21 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). Most recent transfer: January 2021 at £710,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
34 Westpole Avenue's carbon output runs well above what efficient homes in the postcode produce.
34 Westpole Avenue has been extended on multiple sides of the property across separate planning applications.
Extension: Front of property
Front entrance porch.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£866,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 15 years.
£710,000
Growth on file: 3.5% per year over 15 years.
CO₂ Emissions for 34 Westpole Avenue lags the street by a wide margin.
Price per m²
£5,420
Street avg £5,733
Floor Area
131 m²
Street avg 124 m²
Habitable Rooms
5 rooms
Street avg 6 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
Hot water efficiency decreased
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
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Extension: Single storey · Rear of property
Single storey rear extension submitted pursuant to prior approval ref: 21/00993/PRH, together with Extension to roof at side to form gable end with rear dormer and front rooflights.
1 more application for this property
Join to see all planning history.
29 January 2021Most recent
£710,000
+65.1%over 14 years24 July 2006
£430,000
Median price across the last 5 sales in EN4 0AY: £755,000 (2025–2022).
CO₂ Emissions
7.2 t/year
Street avg 5.5 t/year
EN4 0NG
Closest school
0.1 km
Southgate School. 26 schools nearby.
Night-time· 23:00 – 07:00
41.3dB
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