12 St. Johns Hill, Lewes BN7 2DP

End-Terrace house · Built before 1900 · 88 m² · Owner-occupied · Boiler and radiators, mains gas

Upgrade Plan

EC for £16,125 · £8,063 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Draughtproofing£80 – £120£771.3 yrs+3.6 pts · reaches D
Low energy lighting£25£46.3 yrs+0.2 pts
Floor insulation£800 – £1,200£9111.0 yrs+4.3 pts
Cavity wall insulation£500 – £1,500£6814.7 yrs+3.2 pts
Solar water heating£4,000 – £6,000£7150+ yrs+3.4 pts
Solid wall insulation£4,000 – £14,000£9950+ yrs+4.7 pts · reaches C
Solar photovoltaic panels(optional, beyond C)£9,000 – £14,000£8450+ yrs+4.0 pts
Double glazing(optional, beyond C)£3,300 – £6,500£3350+ yrs+1.6 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

£1,647
per year at grade E
£1,120
per year at grade C

The full plan saves £410 a year — a 2.5% annual return on £16,125.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2013, states £994 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

12 March 2021£625,000
13 September 2016£570,000
14 December 2007£397,500

Estimated today: £689,327 HPI-indexed estimate, not a valuation

St Johns Hill: 18 sales since 1995 · £705,750 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Western Road Community Primary SchoolPrimary0.5 mi
South Malling CofE Primary and Nursery SchoolPrimary0.5 mi
Southover CofE Primary SchoolPrimary0.6 mi
Priory SchoolSecondary0.6 miProgress 8 +0.48 · above average (2023/24)
King's Academy RingmerSecondary2.9 miProgress 8 +0.30 · above average (2023/24)
Brighton Aldridge Community AcademySecondary4.5 miProgress 8 -0.40 · 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.

15.3
crimes a month
168
in the last 12 months
Anti-social behaviour
most common · 26% of the total

Police.uk street-level data for LSOA E01021038, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

St Johns Hill

How this home sits against its street.

9
graded homes
54.7
average score
E
most common grade
-1.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.