Claydene, Mark Cross, Crowborough TN6 3PR

Detached house · Built 1930-1949 · 145 m² · Owner-occupied · Boiler and radiators, mains gas

Upgrade Plan

DC for £6,420 · £6,420 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£800 – £1,200£1267.9 yrs+4.8 pts
Low energy lighting£70£612.7 yrs+0.2 pts
Wind turbine£1,500 – £4,000£10526.3 yrs+4.0 pts
Band A condensing boiler£2,200 – £3,000£7833.5 yrs+2.9 pts · reaches C
Solar water heating(optional, beyond C)£4,000 – £6,000£9850+ yrs+3.7 pts
Solar photovoltaic panels(optional, beyond C)£9,000 – £14,000£11750+ yrs+4.4 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

£2,042
per year at grade D
£1,513
per year at grade C

The full plan saves £314 a year — a 4.9% annual return on £6,420.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2012, states £1,207 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

No sale recorded for this address since 1995.

Schools nearby

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

SchoolPhaseDistanceProgress
Mark Cross Church of England Aided Primary SchoolPrimary0.3 mi
Rotherfield Primary SchoolPrimary2.0 mi
Frant Church of England Primary SchoolPrimary2.4 mi
Uplands AcademySecondary3.6 miProgress 8 -0.23 · below average (2023/24)
Beacon AcademySecondary3.8 miProgress 8 +0.50 · above average (2023/24)
The Skinners' SchoolSecondary5.5 miProgress 8 +0.99 · 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.

8.6
crimes a month
77
in the last 12 months
Violence and sexual offences
most common · 31% of the total

Police.uk street-level data for LSOA E01021171, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.