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Get started12 Norrys Road is a four-bedroom semi-detached house in Cockfosters, Barnet, Barnet (EN4 9JX). It has a recorded floor area of 175 m² (around 1884 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (September 2025) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2011. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Average; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 76).
Sale prices here have outpaced Barnet HPI: 8.4% per year against 0% for the wider region. Today's modelled estimate of £1,190,000 sits 98.3% above the 2012 sale of £599,999. On a £-per-square-foot basis, the last sale (£319/sq ft) was about 19% below the postcode norm. At 175 m² the property is well over the postcode median (119 m² across 13 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sold in February 2012, so it's been off the market for around 14 years.
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Extension: Side and rear of property
Single storey side and rear extension.
12 Norrys Road has more than doubled in price since the earliest registered sale in 1999.
£1,190,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.4% per year over 12 years.
£599,999
Growth on file: 8.4% per year over 12 years.
12 Norrys Road is notably below the street on price per m².
Price per m²
£3,429
Street avg £5,325
Floor Area
175 m²
Street avg 125 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
0.2 km
Norrys Road — bus stop.

Daytime· 07:00 – 23:00
52.0dB

Changes detected from historical EPC data
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Loft conversion incorporating hip to gable roof extension and rear dormer window roof extension.
17 February 2012Most recent
£599,999
+166.7%over 12 years30 November 1999
£225,000
Median price across the last 5 sales in EN4 9JX: £740,000 (2022–2014).
Street avg 5 rooms
CO₂ Emissions
5.0 t/year
Street avg 6.4 t/year
EN4 9LX
Closest school
0.4 km
Trent CofE Primary School. 31 schools nearby.
Night-time· 23:00 – 07:00
41.8dB
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