7 Strangways Street, Seaham SR7 7LN

Mid-Terrace house · Built 1950-1966 · 75 m² · Owner-occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £10,030 · £5,015 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£30£46.7 yrs+0.2 pts
Floor insulation£800 – £1,200£1029.8 yrs+5.4 pts · reaches C
Heating controls£350 – £450£3710.7 yrs+2.0 pts
Cavity wall insulation£500 – £1,500£7713.1 yrs+4.0 pts
Band A condensing boiler£2,200 – £3,000£6341.3 yrs+3.3 pts
Solar water heating£4,000 – £6,000£7950+ yrs+4.2 pts · reaches B
Solar photovoltaic panels(optional, beyond B)£9,000 – £14,000£9550+ yrs+5.0 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

£1,214
per year at grade D
£756
per year at grade B

The full plan saves £363 a year — a 3.6% annual return on £10,030.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2014, states £844 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

17 November 2017£23,000
31 May 2006£54,000
31 March 2004£33,700
18 March 1999£18,000

Estimated today: £32,379 HPI-indexed estimate, not a valuation

Strangways Street: 100 sales since 1995 · £40,326 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Ropery Walk Primary SchoolPrimary0.2 mi
Seaham Trinity Primary SchoolPrimary0.4 mi
St Mary Magdalen's Catholic Primary SchoolPrimary0.7 mi
Seaham High SchoolSecondary1.4 miProgress 8 -0.43 · below average (2023/24)
Easington AcademySecondary3.5 miProgress 8 -0.12 · average (2023/24)
Venerable Bede Church of England AcademySecondary3.8 miProgress 8 -1.04 · well below 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.

14.4
crimes a month
158
in the last 12 months
Violence and sexual offences
most common · 39% of the total

Police.uk street-level data for LSOA E01020741, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Strangways Street

How this home sits against its street.

36
graded homes
63.9
average score
D
most common grade
+0.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.