21 Union Street, Congleton CW12 1JB

Mid-Terrace house · Built before 1900 · 48 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £12,985 · £6,493 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£35£313.4 yrs+0.2 pts
Heating controls£450£2220.7 yrs+1.6 pts
Flat roof insulation£1,500 – £500£4522.1 yrs+3.2 pts
Cavity wall insulation£1,500 – £500£4522.4 yrs+3.2 pts · reaches C
Band A condensing boiler£3,000 – £0£3740.9 yrs+2.6 pts
Floor insulation£6,000 – £0£6050+ yrs+4.3 pts
Solar photovoltaic panels£5,500 – £500£5550+ yrs+4.0 pts
Solar water heating£6,000 – £0£4650+ yrs+3.3 pts · reaches B
Solid wall insulation(optional, beyond B)£14,000 – £0£6550+ yrs+4.6 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

£1,040
per year at grade D
£663
per year at grade B

The full plan saves £312 a year — a 2.4% annual return on £12,985.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £656 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

16 April 2014£84,500
12 April 2011£97,000
7 March 2008£99,000
10 January 2001£42,950
10 January 2000£39,000
11 June 1999£21,500

Estimated today: £143,559 HPI-indexed estimate, not a valuation

Union Street: 40 sales since 1995 · £129,364 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Saint Mary's Catholic Primary SchoolPrimary0.2 mi
Marlfields Primary SchoolPrimary0.6 mi
Daven Primary SchoolPrimary0.6 mi
Eaton Bank AcademySecondary0.6 miProgress 8 -0.13 · average (2023/24)
Congleton High SchoolSecondary1.3 miProgress 8 -0.47 · below average (2023/24)
Biddulph High SchoolSecondary4.6 miProgress 8 -0.75 · 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.

36.5
crimes a month
402
in the last 12 months
Violence and sexual offences
most common · 36% of the total

Police.uk street-level data for LSOA E01018402, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Union Street

How this home sits against its street.

22
graded homes
63.6
average score
D
most common grade
-2.6
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.