7 Stretton Close, Penn, High Wycombe HP10 8EW

Detached house · Built 1983-1990 · 179 m² · Boiler and radiators, mains gas

Upgrade Plan

DC for £7,050 · £7,050 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Loft insulation£100 – £350£852.6 yrs+2.1 pts
Floor insulation£800 – £1,200£1795.6 yrs+4.4 pts
Heating controls£350 – £450£656.1 yrs+1.6 pts
Low energy lighting£75£89.6 yrs+0.2 pts
Wind turbine£1,500 – £4,000£14818.5 yrs+3.6 pts
Band A condensing boiler£2,200 – £3,000£11023.6 yrs+2.7 pts · reaches C
Solar water heating(optional, beyond C)£4,000 – £6,000£13936.0 yrs+3.4 pts
Solar photovoltaic panels(optional, beyond C)£9,000 – £14,000£16650+ yrs+4.0 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

£2,730
per year at grade D
£1,829
per year at grade C

The full plan saves £596 a year — a 8.5% annual return on £7,050.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2012, states £1,600 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

21 February 2014£765,000

Estimated today: £1,235,678 HPI-indexed estimate, not a valuation

Stretton Close: 59 sales since 1995 · £438,412 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Tylers Green Middle SchoolPrimary0.1 mi
Tylers Green First SchoolPrimary0.3 mi
Manor Farm Community Infant SchoolPrimary0.7 mi
Sir William Ramsay SchoolSecondary1.0 miAttainment 8 35.4 · no Progress 8 published
The Highcrest AcademySecondary1.1 miProgress 8 -0.39 · below average (2023/24)
The Royal Grammar School, High WycombeSecondary1.7 miProgress 8 +1.13 · 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.

5.1
crimes a month
36
in the last 12 months
Anti-social behaviour
most common · 28% of the total

Police.uk street-level data for LSOA E01017938, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Stretton Close

How this home sits against its street.

25
graded homes
73
average score
C
most common grade
-18.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.