4 Lock Road, Marlow SL7 1QP

Detached house · Built 1900-1929 · 224 m² · Owner-Occupied · Air source heat pump, radiators, electric, Air source heat pump, underfloor, electric

Upgrade Plan

CB for £9,500 · £9,500 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Solar photovoltaic panels£3,500 – £5,500£7850+ yrs+3.8 pts
Solar water heating£4,000 – £6,000£6650+ yrs+3.2 pts · reaches B

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

£2,112
per year at grade C
£1,968
per year at grade B

The full plan saves £144 a year — a 1.5% annual return on £9,500.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2024, states £2,225 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

25 June 2021£1,501,000

Estimated today: £1,729,486 HPI-indexed estimate, not a valuation

Lock Road: 80 sales since 1995 · £1,303,739 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Foxes Piece SchoolPrimary0.3 mi
Holy Trinity Church of England (Aided) SchoolPrimary0.5 mi
St Peter's Catholic Primary SchoolPrimary0.7 mi
Sir William Borlase's Grammar SchoolSecondary0.6 miProgress 8 +0.56 · well above average (2023/24)
Great Marlow SchoolSecondary0.7 miProgress 8 -0.02 · average (2023/24)
Furze Platt Senior SchoolSecondary2.7 miProgress 8 +0.36 · 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.

8.7
crimes a month
61
in the last 12 months
Violence and sexual offences
most common · 21% of the total

Police.uk street-level data for LSOA E01017896, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Lock Road

How this home sits against its street.

37
graded homes
65.4
average score
D
most common grade
+11.6
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.