21 Adelphi Gardens, Slough SL1 2RF

End-Terrace flat · Built 1950-1966 · 53 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation(optional, beyond C)£5,000 – £10,000£6250+ yrs+2.0 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

£724
per year at grade C
£662
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2026, states £669 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

19 July 2002£105,000

Estimated today: £228,584 HPI-indexed estimate, not a valuation

Adelphi Gardens: 113 sales since 1995 · £218,476 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Grove AcademyAll-through0.5 miProgress 8 -0.06 · average (2023/24)
James Elliman AcademyPrimary0.7 mi
St Mary's Church of England Primary SchoolPrimary0.8 mi
Slough and Eton Church of England Business and Enterprise CollegeSecondary0.3 miProgress 8 -0.17 · average (2023/24)
Herschel Grammar SchoolSecondary0.8 miProgress 8 +0.76 · well above average (2023/24)
Lynch Hill Enterprise AcademySecondary0.8 miProgress 8 -0.63 · well below 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.

14.8
crimes a month
163
in the last 12 months
Violence and sexual offences
most common · 44% of the total

Police.uk street-level data for LSOA E01032729, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Adelphi Gardens

How this home sits against its street.

50
graded homes
67
average score
C
most common grade
+7.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.