154 The Roundway, London N17 7DG

Mid-Terrace house · Built 1930-1949 · 78 m² · Owner-occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £7,740 · £3,870 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Draughtproofing£80 – £120£931.1 yrs+4.4 pts
Low energy lighting£15£53.1 yrs+0.2 pts
Loft insulation£100 – £350£534.3 yrs+2.5 pts
Floor insulation£800 – £1,200£1109.1 yrs+5.2 pts · reaches C
Heating controls£350 – £450£4010.0 yrs+1.9 pts
Cavity wall insulation£500 – £1,500£8212.1 yrs+3.9 pts
Solar water heating£4,000 – £6,000£8650+ yrs+4.1 pts · reaches B
Solar photovoltaic panels(optional, beyond B)£9,000 – £14,000£10250+ yrs+4.8 pts
Double glazing(optional, beyond B)£3,300 – £6,500£4050+ yrs+1.9 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

£1,335
per year at grade D
£724
per year at grade B

The full plan saves £469 a year — a 6.1% annual return on £7,740.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2013, states £865 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

15 May 2009£230,000

Estimated today: £593,005 HPI-indexed estimate, not a valuation

The Roundway: 205 sales since 1995 · £376,230 average over 10 years

Schools nearby

The schools’ own performance — Progress 8 shows value added, not just raw results.

SchoolPhaseDistanceProgress
The Devonshire Hill Nursery & Primary SchoolPrimary0.3 mi
Risley Avenue Primary SchoolPrimary0.4 mi
The Willow Primary SchoolPrimary0.4 mi
Mulberry Academy WoodsideSecondary0.7 miProgress 8 +0.17 · average (2023/24)
Duke's AldridgeSecondary1.0 miProgress 8 -0.06 · average (2023/24)
St Thomas More Catholic SchoolSecondary1.0 miProgress 8 +0.46 · above average (2023/24)

Schools from the DfE register, performance from the KS4 performance tables. Progress 8 is a GCSE measure, so primaries have none. Distance is straight-line from the postcode, not a catchment: admission is decided by the school, not by us.

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.

11.1
crimes a month
122
in the last 12 months
Violence and sexual offences
most common · 37% of the total

Police.uk street-level data for LSOA E01002096, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

The Roundway

How this home sits against its street.

260
graded homes
66.5
average score
D
most common grade
-7.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.