20 Trafalgar Place, Brynmill, Swansea SA2 0BU

Mid-Terrace house · Built before 1900 · 95 m² · Boiler and radiators, mains gas

Upgrade Plan

F → D for £24,169 · £12,085 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation—£23 – £300typical£1850.9 yrs+4.5 pts
Loft insulation—£225typical£1032.2 yrs+2.5 pts
Low energy lighting—£20 – £45typical£93.4 yrs+0.2 pts
Heating controls—£400typical£795.1 yrs+1.9 pts · reaches E
Band A condensing boiler—£2,600typical£13319.5 yrs+3.2 pts
Solar water heating—£5,000typical£16829.8 yrs+4.1 pts
Solar photovoltaic panels—£4,500 – £9,000typical£20033.7 yrs+4.9 pts
Solid wall insulation—£9,000typical£23438.4 yrs+5.7 pts · reaches D

Grants verified 20 August 2026. Costs are the register’s indicative ranges, except where marked typical, which this certificate did not price and which are taken instead from comparable homes of the same type. 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

£2,692
per year at grade F
£1,580
per year at grade D

The full plan saves £1,112 a year — a 4.6% annual return on £24,169.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2010, states £1,685 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

13 December 2010£175,000
8 February 1999£60,000
22 August 1997£59,000

Estimated today: £302,247 HPI-indexed estimate, not a valuation

Trafalgar Place: 61 sales since 1995 · £192,153 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.

Trafalgar Place

How this home sits against its street.

42
graded homes
58.9
average score
D
most common grade
-27.9
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.