18 Sharnbrooke Close, Welling DA16 1SL

Semi-Detached flat · Built 1967-1975 · 54 m² · Owner-Occupied · Electric storage heaters

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation(optional, beyond C)£15 – £30£860.3 yrs+2.2 pts
High-retention storage heaters(optional, beyond C)£1,200 – £1,800£1997.6 yrs+5.0 pts
Cavity wall insulation(optional, beyond C)£500 – £1,500£7513.3 yrs+1.9 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

£1,167
per year at grade C
£807
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £781 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

30 May 2025£250,000
9 May 2012£145,000
27 April 2006£125,000
9 May 1997£40,500

Estimated today: £246,327 HPI-indexed estimate, not a valuation

Sharnbrooke Close: 58 sales since 1995 · £264,765 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Foster's Primary SchoolPrimary0.2 mi
Crook Log Primary SchoolPrimary0.4 mi
Barrington Primary SchoolPrimary0.4 mi
Bexley Grammar SchoolSecondary0.5 miProgress 8 +0.49 · above average (2023/24)
Welling SchoolSecondary0.6 miProgress 8 -0.82 · well below average (2023/24)
Blackfen School for GirlsSecondary0.9 miProgress 8 -0.14 · 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.

37.2
crimes a month
409
in the last 12 months
Shoplifting
most common · 36% of the total

Police.uk street-level data for LSOA E01000392, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Sharnbrooke Close

How this home sits against its street.

36
graded homes
63.6
average score
C
most common grade
+5.4
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.