Flat 1, 11 Cotham Side, Cotham, Bristol BS6 5TP

Semi-Detached flat · Built 1900-1929 · 91 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DC for £9,000 · £9,000 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Solid wall insulation£4,000 – £14,000£33227.1 yrs+7.5 pts · reaches C
Double glazing(optional, beyond C)£3,300 – £6,500£11144.1 yrs+2.5 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

£1,309
per year at grade D
£866
per year at grade C

The full plan saves £332 a year — a 3.7% annual return on £9,000.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £1,784 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

29 February 2024£420,000
12 January 2018£327,500
1 November 2013£249,950

Estimated today: £425,658 HPI-indexed estimate, not a valuation

Cotham Side: 113 sales since 1995 · £408,997 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Cotham Gardens Primary SchoolPrimary0.1 mi
Ss Peter and Paul RC Primary SchoolPrimary0.4 mi
Willow Park CofE Primary SchoolPrimary0.5 mi
Cotham SchoolSecondary0.3 miProgress 8 +0.10 · average (2023/24)
E-Act Montpelier High SchoolSecondary0.3 miAttainment 8 57.3 · no Progress 8 published
Redland Green SchoolSecondary0.7 miProgress 8 +0.59 · well 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.

6.7
crimes a month
74
in the last 12 months
Violence and sexual offences
most common · 38% of the total

Police.uk street-level data for LSOA E01014557, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Cotham Side

How this home sits against its street.

40
graded homes
64.6
average score
D
most common grade
+2.4
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.