159 Mortomley Lane, High Green, Sheffield S35 3HT

Detached house · Built 1900-1929 · 131 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

E → B for £12,435 · £4,145 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation—£1,200 – £200£2742.6 yrs+6.5 pts · reaches D
Low energy lighting—£35£122.9 yrs+0.3 pts
Room-in-roof insulation—£2,700 – £700£3784.5 yrs+9.0 pts
Solar photovoltaic panels—£5,500 – £500£25411.8 yrs+6.1 pts · reaches C
Solid wall insulation—£14,000 – £0£29623.6 yrs+7.1 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

£2,636
per year at grade E
£1,422
per year at grade B

The full plan saves £1,214 a year — a 9.8% annual return on £12,435.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £1,657 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

24 May 2024£240,000
28 February 2020£230,000
20 December 2017£115,000
6 February 2008£97,500
24 September 2003£54,000
21 February 2000£35,000

Estimated today: £254,425 HPI-indexed estimate, not a valuation

Mortomley Lane: 240 sales since 1995 · £163,333 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Greengate Lane AcademyPrimary0.3 mi—
St Mary's Primary School, A Catholic Voluntary AcademyPrimary0.3 mi—
Lound Infant SchoolPrimary0.4 mi—
Ecclesfield SchoolSecondary1.5 miProgress 8 -0.22 · below average (2023/24)
Kirk Balk AcademySecondary2.3 miProgress 8 -0.13 · average (2023/24)
Yewlands AcademySecondary2.4 miProgress 8 -0.35 · 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.

11
crimes a month
121
in the last 12 months
Violence and sexual offences
most common · 28% of the total

Police.uk street-level data for LSOA E01007889, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Mortomley Lane

How this home sits against its street.

108
graded homes
64.8
average score
D
most common grade
-12.8
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.