3 Sable Close, Lisvane, Cardiff CF14 0GF

Detached house · Built 1983-1990 · 150 m² · Owner-occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £16,780 · £8,390 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Loft insulation£100 – £350£812.8 yrs+2.3 pts
Floor insulation£800 – £1,200£1705.9 yrs+4.8 pts · reaches C
Heating controls£350 – £450£626.4 yrs+1.7 pts
Low energy lighting£55£77.4 yrs+0.2 pts
Cavity wall insulation£500 – £1,500£1277.9 yrs+3.6 pts
Band A condensing boiler£2,200 – £3,000£10524.8 yrs+2.9 pts
Solar photovoltaic panels£9,000 – £14,000£15850+ yrs+4.4 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

£1,947
per year at grade D
£1,236
per year at grade B

The full plan saves £711 a year — a 4.2% annual return on £16,780.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2014, states £1,298 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

5 March 2021£450,000
7 August 1998£96,950

Estimated today: £550,480 HPI-indexed estimate, not a valuation

Sable Close: 7 sales since 1995 · £428,333 average over 10 years

Schools nearby

The DfE register covers England. Welsh schools are held in a separate Welsh Government register, which we have not ingested yet.

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.

5.8
crimes a month
23
in the last 12 months
Vehicle crime
most common · 22% of the total

Police.uk street-level data for LSOA W01001778, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Sable Close

How this home sits against its street.

6
graded homes
62.8
average score
D
most common grade
-0.8
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.