3 Harlech Close, Plymouth PL3 5SL

Detached house · Built 1976-1982 · 112 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £11,325 · £5,663 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Loft insulation£100 – £350£623.7 yrs+2.5 pts
Cavity wall insulation£500 – £1,500£9710.4 yrs+4.0 pts · reaches C
Low energy lighting£100£617.7 yrs+0.2 pts
Floor insulation£4,000 – £6,000£12938.7 yrs+5.3 pts
Solar water heating£4,000 – £6,000£10049.8 yrs+4.1 pts · reaches B
Solar photovoltaic panels(optional, beyond B)£5,000 – £8,000£12050+ yrs+4.9 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

£1,424
per year at grade D
£911
per year at grade B

The full plan saves £393 a year — a 3.5% annual return on £11,325.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2015, states £990 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

24 June 2008£272,000
8 December 2000£110,000

Estimated today: £436,031 HPI-indexed estimate, not a valuation

Harlech Close: 11 sales since 1995 · £323,417 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Compton CofE Primary SchoolPrimary0.2 mi
Eggbuckland Vale Primary SchoolPrimary0.5 mi
Widey Court Primary SchoolPrimary0.6 mi
Eggbuckland Community CollegeSecondary0.2 miProgress 8 0.00 · average (2023/24)
St Boniface's RC CollegeSecondary0.8 miProgress 8 -0.28 · below average (2023/24)
Devonport High School for GirlsSecondary1.2 miProgress 8 +0.78 · 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.

17
crimes a month
187
in the last 12 months
Violence and sexual offences
most common · 69% of the total

Police.uk street-level data for LSOA E01015033, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Harlech Close

How this home sits against its street.

5
graded homes
70
average score
C
most common grade
-5.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.