12 Gresley Close, Welwyn Garden City AL8 7QB

Detached house · Built 1991-1995 · 110 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DC for £3,015 · £3,015 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£15£44.2 yrs+0.2 pts
Floor insulation£6,000 – £0£8137.1 yrs+4.7 pts · reaches C
Solar photovoltaic panels(optional, beyond C)£5,500 – £500£7540.1 yrs+4.4 pts
Solar water heating(optional, beyond C)£6,000 – £0£6347.8 yrs+3.7 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

£1,586
per year at grade D
£1,364
per year at grade C

The full plan saves £84 a year — a 2.8% annual return on £3,015.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £1,001 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

12 February 2020£625,000

Estimated today: £702,946 HPI-indexed estimate, not a valuation

Gresley Close: 181 sales since 1995 · £537,500 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Templewood Primary SchoolPrimary0.4 mi
Harwood Hill Junior Mixed Infant and Nursery SchoolPrimary0.6 mi
Homerswood Primary and Nursery SchoolPrimary0.7 mi
Monk's Walk SchoolSecondary1.0 miProgress 8 +0.24 · above average (2023/24)
Ridgeway AcademySecondary1.0 miProgress 8 -0.47 · below average (2023/24)
Stanborough SchoolSecondary1.4 miProgress 8 +0.18 · 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.

8.1
crimes a month
73
in the last 12 months
Violence and sexual offences
most common · 38% of the total

Police.uk street-level data for LSOA E01023959, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Gresley Close

How this home sits against its street.

62
graded homes
63.6
average score
D
most common grade
+1.4
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.