Cottars, St. Leonards Hill, Windsor SL4 4AL

Detached house · Built 1976-1982 · 281 m² · Boiler and radiators, mains gas

Upgrade Plan

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MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting(optional, beyond D)£30 – £75typical£68.5 yrs+0.1 pts
Solar photovoltaic panels(optional, beyond D)£4,500 – £9,000typical£13050+ yrs+2.1 pts
Double glazing(optional, beyond D)£1,200 – £4,900typical£5150+ yrs+0.8 pts

Grants verified 20 August 2026. Costs are the register’s indicative ranges, except where marked typical, which this certificate did not price and which are taken instead from comparable homes of the same type. 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

£2,730
per year at grade D
£2,543
per year at grade D

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2010, states £1,691 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

2 December 2011£1,325,000
7 October 2009£430,000

Estimated today: £2,331,625 HPI-indexed estimate, not a valuation

St Leonards Hill: 134 sales since 1995 · £1,643,118 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Hilltop First SchoolPrimary0.3 mi
Clewer Green CofE First SchoolPrimary0.6 mi
Alexander First SchoolPrimary0.6 mi
Windsor Girls' SchoolSecondary0.7 miProgress 8 +0.12 · average (2023/24)
The Windsor Boys' SchoolSecondary1.4 miProgress 8 +0.14 · average (2023/24)
Slough and Eton Church of England Business and Enterprise CollegeSecondary3.0 miProgress 8 -0.17 · 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.

6.8
crimes a month
75
in the last 12 months
Violence and sexual offences
most common · 31% of the total

Police.uk street-level data for LSOA E01016597, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

St Leonards Hill

How this home sits against its street.

64
graded homes
68.1
average score
C
most common grade
-3.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.