35 Sengana Close, Botley, Southampton SO30 2NU

Semi-Detached house · Built 1976-1982 · 92 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £13,200 · £6,600 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Room-in-roof insulation£2,700 – £700£13312.8 yrs+6.1 pts
Cavity wall insulation£1,500 – £500£7213.9 yrs+3.3 pts · reaches C
Band A condensing boiler£3,000 – £0£5925.4 yrs+2.7 pts
Floor insulation£6,000 – £0£9631.2 yrs+4.4 pts
Solar photovoltaic panels£5,500 – £500£8933.7 yrs+4.1 pts
Solar water heating£6,000 – £0£7540.2 yrs+3.4 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

£1,461
per year at grade D
£938
per year at grade B

The full plan saves £523 a year — a 4.0% annual return on £13,200.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £921 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

8 February 2021£338,000
8 August 2000£125,000

Estimated today: £384,879 HPI-indexed estimate, not a valuation

Sengana Close: 79 sales since 1995 · £292,150 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Freegrounds Infant SchoolPrimary0.3 mi
Freegrounds Junior SchoolPrimary0.3 mi
Kings Copse Primary SchoolPrimary0.4 mi
Wildern SchoolSecondary0.9 miProgress 8 +0.05 · average (2023/24)
Deer Park SchoolSecondary1.0 miNot in the KS4 performance tables
Woodlands Community CollegeSecondary2.3 miProgress 8 -0.89 · 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.

3.6
crimes a month
29
in the last 12 months
Violence and sexual offences
most common · 59% of the total

Police.uk street-level data for LSOA E01022651, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Sengana Close

How this home sits against its street.

25
graded homes
69.4
average score
C
most common grade
-9.4
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.