21 Adam Close, Slough SL1 9AP

Semi-Detached flat · Built 1991-1995 · 38 m² · Rented (Private) · Electric storage heaters

Upgrade Plan

CB for £1,043 · £1,043 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£350.6 yrs+1.2 pts
Low energy lighting£20£211.0 yrs+0.1 pts
High-retention storage heaters£800 – £1,200£8212.2 yrs+2.7 pts · reaches B

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

£678
per year at grade C
£559
per year at grade B

The full plan saves £119 a year — a 11.4% annual return on £1,043.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2018, states £388 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

15 October 1999£59,950
25 April 1997£43,500
19 May 1995£40,500

Estimated today: £206,262 HPI-indexed estimate, not a valuation

Adam Close: 76 sales since 1995 · £266,750 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Montem AcademyPrimary0.5 mi
Western House AcademyPrimary0.6 mi
Grove AcademyAll-through0.7 miProgress 8 -0.06 · average (2023/24)
The Westgate SchoolSecondaryunder 0.1 miProgress 8 +0.12 · average (2023/24)
Eden Girls' School, SloughSecondary0.2 miProgress 8 +1.15 · well above average (2023/24)
Herschel Grammar SchoolSecondary0.8 miProgress 8 +0.76 · 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.

22.4
crimes a month
246
in the last 12 months
Violence and sexual offences
most common · 33% of the total

Police.uk street-level data for LSOA E01016474, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Adam Close

How this home sits against its street.

27
graded homes
69.3
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.