20 Ennismore Avenue, Guildford GU1 1SR

Detached house · Built 1976-1982 · 152 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £16,400 · £8,200 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£200 – £400£1312.3 yrs+3.5 pts
Floor insulation£800 – £1,200£1536.5 yrs+4.1 pts · reaches C
Cavity wall insulation£500 – £1,500£1158.7 yrs+3.0 pts
Band A condensing boiler£2,200 – £3,000£9427.6 yrs+2.5 pts
Solar water heating£4,000 – £6,000£11942.0 yrs+3.2 pts
Solar photovoltaic panels£5,000 – £8,000£14245.8 yrs+3.8 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

£2,076
per year at grade D
£1,322
per year at grade B

The full plan saves £754 a year — a 4.6% annual return on £16,400.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2018, states £1,302 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

No sale recorded for this address since 1995.

Ennismore Avenue: 48 sales since 1995 · £1,313,182 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Sandfield Primary SchoolPrimary0.6 mi
Holy Trinity, Guildford, CofE Aided Junior SchoolPrimary0.6 mi
Pewley Down Infant SchoolPrimary0.7 mi
George Abbot SchoolSecondary0.9 miProgress 8 +0.54 · well above average (2023/24)
St Peter's Catholic SchoolSecondary1.0 miProgress 8 +1.13 · well above average (2023/24)
Christ's College, GuildfordSecondary1.2 miProgress 8 +0.01 · 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.

18.3
crimes a month
201
in the last 12 months
Violence and sexual offences
most common · 32% of the total

Police.uk street-level data for LSOA E01030438, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Ennismore Avenue

How this home sits against its street.

27
graded homes
61.5
average score
D
most common grade
+0.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.