8 Bayliss Close, London N21 1SP

Mid-Terrace house · Built 1950-1966 · 70 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £9,970 · £4,985 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£20£45.1 yrs+0.3 pts
Heating controls£450£3313.8 yrs+2.2 pts
Cavity wall insulation£1,500 – £500£6714.9 yrs+4.5 pts
Band A condensing boiler£3,000 – £0£5527.2 yrs+3.7 pts · reaches C
Solar water heating£6,000 – £0£7043.2 yrs+4.7 pts
Solar photovoltaic panels£8,000 – £0£8348.2 yrs+5.6 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

£1,154
per year at grade D
£843
per year at grade B

The full plan saves £311 a year — a 3.1% annual return on £9,970.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2017, states £749 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

24 November 2017£498,000
1 September 2006£287,000
27 February 2004£249,995
31 December 1996£125,495

Estimated today: £590,200 HPI-indexed estimate, not a valuation

Schools nearby

No school in the register within reach of this postcode.

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