12 Sark Close, Crawley RH11 9QD

Not Recorded flat · Built 1976-1982 · 24 m² · Rented (Private) · Electric storage heaters

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation(optional, beyond C)£20 – £40£570.5 yrs+1.7 pts
High-retention storage heaters(optional, beyond C)£400 – £800£1314.6 yrs+4.0 pts
Loft insulation(optional, beyond C)£900 – £1,200£3233.1 yrs+1.0 pts
Shower heat recovery(optional, beyond C)£600 – £1,500£1150+ yrs+0.3 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

£772
per year at grade C
£541
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2026, states £789 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

30 August 2016£113,980
13 July 2007£105,000
14 April 1999£31,500

Estimated today: £130,006 HPI-indexed estimate, not a valuation

Sark Close: 42 sales since 1995 · £150,596 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Seymour Primary SchoolPrimary0.3 mi
The Bewbush AcademyPrimary0.5 mi
Broadfield Primary AcademyPrimary0.7 mi
Holy Trinity CofE Secondary School, CrawleySecondary0.6 miProgress 8 -0.31 · below average (2023/24)
St Wilfrid's Catholic Comprehensive School, CrawleySecondary1.0 miProgress 8 -0.08 · average (2023/24)
Thomas Bennett Community CollegeSecondary1.0 miProgress 8 -0.95 · 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.

13.5
crimes a month
148
in the last 12 months
Violence and sexual offences
most common · 36% of the total

Police.uk street-level data for LSOA E01031554, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Sark Close

How this home sits against its street.

14
graded homes
62.6
average score
D
most common grade
+10.4
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.