Flat 2 Seabrink, 46, Undercliff Gardens, Leigh-On-Sea SS9 1EA

End-Terrace flat · Built 1967-1975 · 101 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Cavity wall insulation(optional, beyond C)£500 – £1,500£1765.7 yrs+4.7 pts
Low energy lighting(optional, beyond C)£65£106.3 yrs+0.3 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

£952
per year at grade C
£766
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2017, states £642 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

10 January 2018£520,000
9 August 2004£229,995
23 November 2001£260,000

Estimated today: £556,210 HPI-indexed estimate, not a valuation

Undercliff Gardens: 122 sales since 1995 · £575,452 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Chalkwell Hall Infant SchoolPrimary0.5 mi
Leigh North Street Primary SchoolPrimary0.5 mi
Chalkwell Hall Junior SchoolPrimary0.5 mi
Westcliff High School for GirlsSecondary0.9 miProgress 8 +0.90 · well above average (2023/24)
Westcliff High School for Boys AcademySecondary1.0 miProgress 8 +0.93 · well above average (2023/24)
St Thomas More High SchoolSecondary1.1 miProgress 8 +0.32 · 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.

16.3
crimes a month
179
in the last 12 months
Violence and sexual offences
most common · 39% of the total

Police.uk street-level data for LSOA E01015848, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Undercliff Gardens

How this home sits against its street.

65
graded homes
67.7
average score
C
most common grade
+7.3
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.