23 Newnham Crescent, Sketty, Swansea SA2 0RZ

Semi-Detached flat · Built 1983-1990 · 76 m² · Owner-occupied · Electric storage heaters, Room heaters, electric

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Loft insulation(optional, beyond D)£100 – £350£962.3 yrs+2.2 pts
High-performance doors(optional, beyond D)£1,500 – £500£1616.2 yrs+3.6 pts
Low energy lighting(optional, beyond D)£60£96.8 yrs+0.2 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

£1,609
per year at grade D
£1,343
per year at grade D

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2014, states £872 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

15 December 2017£140,000
5 June 2015£130,000

Estimated today: £176,645 HPI-indexed estimate, not a valuation

Schools nearby

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

Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.