Holyrood, Bryn Terrace, Mumbles, Swansea SA3 4HD

Detached bungalow · Built 1930-1949 · 47 m² · Owner-Occupied · No system present: electric heaters assumed

Upgrade Plan

GC for £13,198 · £3,299 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£3030.1 yrs+8.8 pts
High-retention storage heaters£1,200 – £1,800£6992.1 yrs+20.4 pts · reaches F
Floor insulation£800 – £1,200£3552.8 yrs+10.3 pts · reaches E
Flat roof insulation£850 – £1,500£2694.4 yrs+7.9 pts · reaches D
Solar photovoltaic panels£3,500 – £5,500£32913.7 yrs+9.6 pts
Solar water heating£4,000 – £6,000£27518.2 yrs+8.0 pts · reaches C

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

£3,653
per year at grade G
£1,422
per year at grade C

The full plan saves £2,231 a year — a 16.9% annual return on £13,198.

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

12 June 2024£165,000
14 October 2011£75,000

Estimated today: £176,810 HPI-indexed estimate, not a valuation

Bryn Terrace: 38 sales since 1995 · £317,314 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.

7.2
crimes a month
79
in the last 12 months
Violence and sexual offences
most common · 25% of the total

Police.uk street-level data for LSOA W01000825, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Bryn Terrace

How this home sits against its street.

12
graded homes
55.5
average score
D
most common grade
-46.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.