3 Mariners Way, Seaham SR7 7EB

Semi-Detached house · 2012 · 61 m² · Boiler and radiators, mains gas

Upgrade Plan

CB for £23,265 · £23,265 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£15£126.7 yrs+0.0 pts
Wind turbine£1,500 – £4,000£1150+ yrs+0.3 pts
Solar water heating£4,000 – £6,000£1050+ yrs+0.3 pts
Solar photovoltaic panels£11,000 – £20,000£1250+ yrs+0.4 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

£622
per year at grade C
£589
per year at grade B

The full plan saves £33 a year — a 0.1% annual return on £23,265.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2012, states £369 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

24 August 2012£119,950

Estimated today: £174,225 HPI-indexed estimate, not a valuation

Mariners Way: 100 sales since 1995 · £145,380 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
St Mary Magdalen's Catholic Primary SchoolPrimary0.2 mi
Seaham Trinity Primary SchoolPrimary0.4 mi
Seaview Primary SchoolPrimary0.6 mi
Seaham High SchoolSecondary0.6 miProgress 8 -0.43 · below average (2023/24)
Venerable Bede Church of England AcademySecondary2.9 miProgress 8 -1.04 · well below average (2023/24)
Southmoor AcademySecondary3.6 miProgress 8 -0.28 · 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.

10.1
crimes a month
101
in the last 12 months
Anti-social behaviour
most common · 55% of the total

Police.uk street-level data for LSOA E01020782, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Mariners Way

How this home sits against its street.

52
graded homes
79.7
average score
C
most common grade
+0.3
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.