124a Gloucester Avenue, London NW1 8JA

Mid-Terrace flat · Built before 1900 · 55 m² · Owner-occupied · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting(optional, beyond C)£30£39.5 yrs+0.1 pts
Floor insulation(optional, beyond C)£800 – £1,200£7213.8 yrs+2.6 pts
Shower heat recovery(optional, beyond C)£585 – £725£1250+ yrs+0.4 pts
Solid wall insulation(optional, beyond C)£4,000 – £14,000£7850+ yrs+2.9 pts
Double glazing(optional, beyond C)£3,300 – £6,500£2650+ yrs+1.0 pts

Grants verified 20 August 2026. Costs are the register’s indicative ranges. Savings are restated at the fuel prices assumed in July 2026. Points per measure are estimated from 19.9 million certificates and rescaled to this home’s own certificate delta; the total is the register’s figure.

Running costs

£791
per year at grade C
£599
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2013, states £498 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

3 October 2013£695,000
2 July 2002£90,000

Estimated today: £829,153 HPI-indexed estimate, not a valuation

Gloucester Avenue: 659 sales since 1995 · £1,218,136 average over 10 years

Schools nearby

The schools’ own performance — Progress 8 shows value added, not just raw results.

SchoolPhaseDistanceProgress
Primrose Hill SchoolPrimary0.2 mi
St Paul's Church of England Primary SchoolPrimary0.4 mi
Rhyl Community Primary SchoolPrimary0.4 mi
Haverstock SchoolSecondary0.2 miProgress 8 -0.20 · average (2023/24)
The UCL AcademySecondary0.7 miProgress 8 -0.16 · average (2023/24)
The Camden School for GirlsSecondary0.9 miProgress 8 +0.62 · well above average (2023/24)

Schools from the DfE register, performance from the KS4 performance tables. Progress 8 is a GCSE measure, so primaries have none. Distance is straight-line from the postcode, not a catchment: admission is decided by the school, not by us.

Area context

Police-recorded crime for the wider neighbourhood, not this address. We grade homes, never neighbourhoods — so this is reported as a count, not a rating.

19.4
crimes a month
213
in the last 12 months
Anti-social behaviour
most common · 30% of the total

Police.uk street-level data for LSOA E01000859, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Gloucester Avenue

How this home sits against its street.

400
graded homes
68.9
average score
C
most common grade
+2.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.