91a St. Leonards Road, Windsor SL4 3BZ

Mid-Terrace maisonette · Built 1900-1929 · 83 m² · Owner-occupied · Boiler and radiators, mains gas

Upgrade Plan

DC for £10,535 · £10,535 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Draughtproofing£80 – £120£1100.9 yrs+2.9 pts
Low energy lighting£35£66.1 yrs+0.2 pts
Heating controls£350 – £450£478.4 yrs+1.3 pts
Cavity wall insulation£500 – £1,500£9710.3 yrs+2.6 pts
Solid wall insulation£4,000 – £14,000£14150+ yrs+3.8 pts · reaches C
Double glazing(optional, beyond C)£3,300 – £6,500£4750+ yrs+1.3 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

£1,454
per year at grade D
£1,006
per year at grade C

The full plan saves £401 a year — a 3.8% annual return on £10,535.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2013, states £888 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

4 August 2020£343,000
30 May 2014£317,500
7 August 2008£290,000
25 July 2006£185,000
28 November 1997£87,500
30 August 1995£63,600

Estimated today: £382,076 HPI-indexed estimate, not a valuation

St Leonards Road: 666 sales since 1995 · £453,387 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
The Queen Anne Royal Free CofE Controlled First SchoolPrimary0.3 mi
Trinity St Stephen CofE Aided First SchoolPrimary0.4 mi
Oakfield First SchoolPrimary0.6 mi
The Windsor Boys' SchoolSecondary0.5 miProgress 8 +0.14 · average (2023/24)
Windsor Girls' SchoolSecondary0.8 miProgress 8 +0.12 · average (2023/24)
Churchmead Church of England (VA) SchoolSecondary1.5 miProgress 8 0.00 · 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.

7.6
crimes a month
84
in the last 12 months
Violence and sexual offences
most common · 48% of the total

Police.uk street-level data for LSOA E01016546, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

St Leonards Road

How this home sits against its street.

353
graded homes
66.1
average score
D
most common grade
-7.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.