4 Mark Close, Southall UB1 3QJ

Mid-Terrace flat · Built 1950-1966 · 67 m² · Rented (Private) · Boiler and radiators, mains gas

Upgrade Plan

DC for £1,175 · £1,175 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Flat roof insulation£850 – £1,500£5802.0 yrs+13.0 pts · reaches C

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

£1,413
per year at grade D
£833
per year at grade C

The full plan saves £580 a year — a 49.4% annual return on £1,175.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2024, states £1,584 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

31 January 2008£190,000
14 March 2002£94,000

Estimated today: £289,249 HPI-indexed estimate, not a valuation

Mark Close: 23 sales since 1995 · £324,000 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Dormers Wells Primary SchoolPrimary0.2 mi
North Primary SchoolPrimary0.4 mi
Allenby Primary SchoolPrimary0.6 mi
Villiers High SchoolSecondary0.3 miProgress 8 +0.50 · above average (2023/24)
Dormers Wells High SchoolSecondary0.5 miProgress 8 +0.63 · well above average (2023/24)
The Cardinal Wiseman Catholic SchoolSecondary1.1 miProgress 8 +0.83 · 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.

11.7
crimes a month
129
in the last 12 months
Violence and sexual offences
most common · 29% of the total

Police.uk street-level data for LSOA E01001216, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Mark Close

How this home sits against its street.

17
graded homes
71.7
average score
C
most common grade
-7.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.