20 Windmill Fields, Four Marks, Alton GU34 5HJ

Semi-Detached house · Built 1950-1966 · 91 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £11,040 · £5,520 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£40£49.8 yrs+0.2 pts
Cavity wall insulation£500 – £1,500£7014.3 yrs+3.9 pts · reaches C
Floor insulation£4,000 – £6,000£9350+ yrs+5.2 pts
Solar water heating£4,000 – £6,000£7250+ yrs+4.0 pts · reaches B
Solar photovoltaic panels(optional, beyond B)£5,000 – £8,000£8650+ yrs+4.8 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

£1,245
per year at grade D
£919
per year at grade B

The full plan saves £240 a year — a 2.2% annual return on £11,040.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2015, states £858 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

No sale recorded for this address since 1995.

Windmill Fields: 47 sales since 1995 · £392,528 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Medstead Church of England Primary SchoolPrimary1.0 mi
Four Marks Church of England Primary SchoolPrimary1.1 mi
Ropley CofE Primary SchoolPrimary2.7 mi
Amery Hill SchoolSecondary3.9 miProgress 8 +0.01 · average (2023/24)
Eggar's SchoolSecondary4.9 miProgress 8 +0.04 · average (2023/24)
Perins SchoolSecondary5.6 miProgress 8 -0.19 · 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.

7
crimes a month
63
in the last 12 months
Violence and sexual offences
most common · 38% of the total

Police.uk street-level data for LSOA E01022594, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Windmill Fields

How this home sits against its street.

35
graded homes
70.2
average score
C
most common grade
-2.2
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.