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Get started4 Greenbrook Avenue is a five-bedroom detached house in Barnet (EN4 0LS). It has a recorded floor area of 383 m² (around 4123 sq ft), construction records dating it to 1950-1966 and council tax band H. The latest certificate (October 2025) shows an E (score 47), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since January 2009. Between certificates, roof efficiency went from Poor to Average and hot-water efficiency went from Very Poor to Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Poor. The recommended improvements would push it to D (score 61).
Untraded for 15 years, with the last transfer in December 2010. At 383 m² the property is well over the postcode median (266 m² across 13 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £2,807,000 sits 70.1% above the 2010 sale of £1,650,000. 3 planning records sit against the property, 1 approved, 2 refused.
4 Greenbrook Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
Alterations to front boundary wall and railings (PART RETROSPECTIVE).
4 Greenbrook Avenue valuation sits well clear of the typical sold price in this postcode.
£2,807,000
Modelled from EPC, postcode comparables.
£1,650,000
Recorded with HM Land Registry.
On epc rating, 4 Greenbrook Avenue runs well behind the street norm.
Price per m²
£4,308
Street avg £4,914
Floor Area
383 m²
Street avg 294 m²
Habitable Rooms
9 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Newmans Way — bus stop.

Daytime· 07:00 – 23:00
45.4dB

Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
Windows upgraded, improving insulation
Roof insulation improved
Low energy lighting percentage decreased
Ventilation system changed
Hot water system upgraded
More low energy lighting installed
MVHR (mechanical ventilation with heat recovery) installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Front boundary wall, railings and gates.
1 more application for this property
Join to see all planning history.
1 December 2010Most recent
£1,650,000
Median price across the last 5 sales in EN4 0LS: £1,800,000 (2025–2020).
Street avg 9 rooms
CO₂ Emissions
13.0 t/year
Street avg 8.7 t/year
EN4 0JA
Closest school
0.8 km
Hadley Wood Primary School. 18 schools nearby.
Night-time· 23:00 – 07:00
37.3dB
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