21 Blackhorse Road, Bristol BS15 8EF

Semi-Detached house · Built 1900-1929 · 110 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £25,675 · £12,838 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Cavity wall insulation£500 – £1,500£1109.1 yrs+3.7 pts
Flat roof insulation£850 – £1,500£11110.5 yrs+3.7 pts
Solar photovoltaic panels£3,500 – £5,500£13633.1 yrs+4.6 pts
Floor insulation£4,000 – £6,000£14734.1 yrs+4.9 pts · reaches C
Solar water heating£4,000 – £6,000£11443.9 yrs+3.8 pts
Solid wall insulation£4,000 – £14,000£15950+ yrs+5.3 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

£1,968
per year at grade D
£1,192
per year at grade B

The full plan saves £776 a year — a 3.0% annual return on £25,675.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £1,159 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

17 April 2023£305,625
24 November 2003£142,000
3 December 1999£67,995

Estimated today: £321,108 HPI-indexed estimate, not a valuation

Blackhorse Road: 121 sales since 1995 · £223,723 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Two Mile Hill Primary SchoolPrimary0.3 mi
Our Lady of Lourdes Catholic Primary SchoolPrimary0.3 mi
Beacon Rise Primary SchoolPrimary0.4 mi
John Cabot AcademySecondary0.2 miProgress 8 +0.44 · above average (2023/24)
Bristol Brunel AcademySecondary0.9 miProgress 8 +0.24 · above average (2023/24)
Hanham Woods AcademySecondary1.2 miProgress 8 -0.26 · 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.

16.5
crimes a month
182
in the last 12 months
Violence and sexual offences
most common · 48% of the total

Police.uk street-level data for LSOA E01015005, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Blackhorse Road

How this home sits against its street.

73
graded homes
65.5
average score
C
most common grade
-10.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.