30 Darwin Street, Northwich CW8 1BS

Semi-Detached house · Built 1930-1949 · 77 m² · Owner-occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £17,440 · £8,720 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£40£57.6 yrs+0.3 pts
Flue gas heat recovery£900£1177.7 yrs+5.6 pts
Floor insulation£800 – £1,200£1208.3 yrs+5.8 pts
Heating controls£350 – £450£449.1 yrs+2.1 pts · reaches C
Cavity wall insulation£500 – £1,500£9011.1 yrs+4.3 pts
Band A condensing boiler£2,200 – £3,000£7435.1 yrs+3.6 pts
Solar photovoltaic panels£9,000 – £14,000£11150+ yrs+5.4 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

£1,417
per year at grade D
£855
per year at grade B

The full plan saves £562 a year — a 3.2% annual return on £17,440.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2013, states £925 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

18 March 2016£146,000
25 September 2015£148,000
30 May 2014£148,000
16 November 2007£140,000
17 October 2003£99,500

Estimated today: £230,313 HPI-indexed estimate, not a valuation

Darwin Street: 56 sales since 1995 · £196,808 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Charles Darwin Community Primary SchoolPrimaryunder 0.1 mi
St Wilfrid's Catholic Primary SchoolPrimary0.5 mi
Winnington Park Community Primary and Nursery SchoolPrimary0.6 mi
St Nicholas Catholic High SchoolSecondary0.5 miProgress 8 +0.17 · average (2023/24)
Hartford Church of England High SchoolSecondary0.6 miProgress 8 -0.15 · average (2023/24)
The County High School, LeftwichSecondary1.1 miProgress 8 +0.60 · 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.

9.8
crimes a month
108
in the last 12 months
Violence and sexual offences
most common · 53% of the total

Police.uk street-level data for LSOA E01018709, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Darwin Street

How this home sits against its street.

32
graded homes
54.3
average score
D
most common grade
+2.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.