12 Lower Fforest Level, Mountain Ash CF45 4HP

Mid-Terrace house · Built before 1900 · 82 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

EB for £18,885 · £6,295 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£35£84.6 yrs+0.3 pts
Flue gas heat recovery£900£1705.3 yrs+5.8 pts
Heating controls£450£647.1 yrs+2.2 pts
Flat roof insulation£1,500 – £500£1337.5 yrs+4.5 pts
Cavity wall insulation£1,500 – £500£1317.7 yrs+4.5 pts · reaches D
Band A condensing boiler£3,000 – £0£10714.0 yrs+3.7 pts
Floor insulation£6,000 – £0£17517.2 yrs+6.0 pts
Solar photovoltaic panels£8,000 – £0£16224.7 yrs+5.5 pts · reaches C
Solid wall insulation£14,000 – £0£18937.0 yrs+6.5 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

£2,278
per year at grade E
£1,140
per year at grade B

The full plan saves £1,138 a year — a 6.0% annual return on £18,885.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2017, states £1,481 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

27 September 2018£69,000
13 December 2017£39,000
22 December 2008£85,000
31 May 2006£72,000
12 April 2001£14,500

Estimated today: £111,933 HPI-indexed estimate, not a valuation

Lower Forest Level: 25 sales since 1995 · £52,600 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.

5.5
crimes a month
44
in the last 12 months
Violence and sexual offences
most common · 39% of the total

Police.uk street-level data for LSOA W01001204, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Lower Forest Level

How this home sits against its street.

17
graded homes
64.9
average score
C
most common grade
-22.9
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.