29 Mariners Heights, Penarth CF64 1QJ

End-Terrace flat · Built 1991-1995 · 67 m² · Owner-Occupied · Electric storage heaters

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Loft insulation(optional, beyond C)£100 – £350£504.5 yrs+1.1 pts
High-retention storage heaters(optional, beyond C)£1,600 – £2,400£2079.7 yrs+4.5 pts
Shower heat recovery(optional, beyond C)£585 – £725£1737.9 yrs+0.4 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

£1,123
per year at grade C
£849
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2025, states £977 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

31 January 2025£169,950
26 June 1998£59,000
14 February 1997£65,000

Estimated today: £170,470 HPI-indexed estimate, not a valuation

Mariners Heights: 81 sales since 1995 · £151,645 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.

8.4
crimes a month
92
in the last 12 months
Violence and sexual offences
most common · 38% of the total

Police.uk street-level data for LSOA W01001123, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Mariners Heights

How this home sits against its street.

31
graded homes
68.5
average score
C
most common grade
+3.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.