15 Blackmore, Letchworth Garden City SG6 2SX

Detached house · Built 1967-1975 · 82 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DC for £3,000 · £3,000 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£6,000 – £0£4150+ yrs+5.2 pts · reaches C
Solar photovoltaic panels(optional, beyond C)£5,500 – £500£3850+ yrs+4.8 pts
Solar water heating(optional, beyond C)£6,000 – £0£3250+ yrs+4.0 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

£1,231
per year at grade D
£1,120
per year at grade C

The full plan saves £41 a year — a 1.4% annual return on £3,000.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £776 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

17 July 2025£525,000
29 May 2020£380,000
7 May 2010£235,000

Estimated today: £557,878 HPI-indexed estimate, not a valuation

Blackmore: 87 sales since 1995 · £545,958 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Garden City AcademyPrimary0.5 mi
Lordship Farm Primary SchoolPrimary0.5 mi
Pixmore Junior SchoolPrimary0.8 mi
The Highfield SchoolSecondary1.3 miAttainment 8 41.7 · no Progress 8 published
Fearnhill SchoolSecondary1.7 miProgress 8 -0.14 · average (2023/24)
The Knights Templar SchoolSecondary1.7 miProgress 8 -0.27 · below 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.

4.6
crimes a month
23
in the last 12 months
Anti-social behaviour
most common · 26% of the total

Police.uk street-level data for LSOA E01023642, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Blackmore

How this home sits against its street.

55
graded homes
62.3
average score
D
most common grade
+3.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.