121 Brooksfield, Welwyn Garden City AL7 2BL

Semi-Detached house · Built 1983-1990 · 72 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £13,525 · £6,763 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£200 – £400£1013.0 yrs+4.9 pts
Loft insulation£100 – £350£564.0 yrs+2.8 pts
Heating controls£350 – £450£439.3 yrs+2.1 pts · reaches C
Band A condensing boiler£2,200 – £3,000£7335.8 yrs+3.6 pts
Floor insulation£4,000 – £6,000£11842.3 yrs+5.8 pts
Solar water heating£4,000 – £6,000£9250+ yrs+4.5 pts · reaches B
Solar photovoltaic panels(optional, beyond B)£5,000 – £8,000£11050+ yrs+5.4 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

£1,286
per year at grade D
£693
per year at grade B

The full plan saves £483 a year — a 3.6% annual return on £13,525.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2017, states £871 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

16 January 2003£174,000
13 May 1999£99,950
26 June 1997£82,500

Estimated today: £424,125 HPI-indexed estimate, not a valuation

Brooksfield: 84 sales since 1995 · £403,792 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Springmead Primary SchoolPrimary0.2 mi
Watchlytes Primary SchoolPrimary0.3 mi
Panshanger Primary SchoolPrimary0.3 mi
Ridgeway AcademySecondary0.2 miProgress 8 -0.47 · below average (2023/24)
Monk's Walk SchoolSecondary2.0 miProgress 8 +0.24 · above average (2023/24)
Stanborough SchoolSecondary2.1 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.

17.7
crimes a month
195
in the last 12 months
Violence and sexual offences
most common · 34% of the total

Police.uk street-level data for LSOA E01023951, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Brooksfield

How this home sits against its street.

36
graded homes
65.3
average score
D
most common grade
-5.3
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.