Dolphin Cottage, The Street, Guildford GU4 7RX

Semi-Detached house · Built 1930-1949 · 90 m² · Owner-Occupied · Boiler and radiators, LPG

Upgrade Plan

ED for £23,430 · £23,430 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£20 – £40£380.8 yrs+2.1 pts
Draughtproofing£150 – £250£375.4 yrs+2.1 pts
Flue gas heat recovery£900 – £1,500£4327.9 yrs+2.4 pts
Solar water heating£4,000 – £7,000£3450+ yrs+1.9 pts
Floor insulation£5,000 – £10,000£4450+ yrs+2.4 pts
Solar photovoltaic panels£8,000 – £10,000£4150+ yrs+2.3 pts · reaches D
Double glazing(optional, beyond D)£4,500 – £6,000£1650+ yrs+0.9 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

£1,474
per year at grade E
£1,220
per year at grade D

The full plan saves £238 a year — a 1.0% annual return on £23,430.

Energy costs as modelled on the certificate, not a bill. This fuel has too few recent certificates to restate at today's prices.

Sold prices

1 June 2026£772,000
16 September 1996£240,000

Estimated today: £772,000 HPI-indexed estimate, not a valuation

The Street: 14 sales since 1995 · £775,500 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Clandon CofE Aided Primary SchoolPrimary1.0 mi
Merrow CofE Controlled Infant SchoolPrimary2.1 mi
The Raleigh SchoolPrimary2.3 mi
St Peter's Catholic SchoolSecondary2.5 miProgress 8 +1.13 · well above average (2023/24)
George Abbot SchoolSecondary2.9 miProgress 8 +0.54 · well above average (2023/24)
Howard of Effingham SchoolSecondary3.9 miProgress 8 +0.24 · 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.

7.9
crimes a month
71
in the last 12 months
Violence and sexual offences
most common · 42% of the total

Police.uk street-level data for LSOA E01030440, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

The Street

How this home sits against its street.

11
graded homes
50.5
average score
E
most common grade
-8.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.