Cartref, Garneddwen, Lixwm, Holywell CH8 8JS

Detached house · Built 1950-1966 · 186 m² · Owner-Occupied · Boiler and radiators, oil

Upgrade Plan

GB for £48,468 · £9,694 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £400£3330.6 yrs+7.4 pts · reaches F
Low energy lighting£60£173.5 yrs+0.4 pts
Room-in-roof insulation£1,500 – £2,700£5373.9 yrs+12.0 pts · reaches E
Band A condensing boiler£2,200 – £3,000£23910.9 yrs+5.3 pts
Solar photovoltaic panels£3,500 – £5,500£36012.5 yrs+8.0 pts
Floor insulation£4,000 – £6,000£38912.8 yrs+8.7 pts · reaches D
Solar water heating£4,000 – £6,000£30216.5 yrs+6.7 pts
Solid wall insulation£4,000 – £14,000£42121.4 yrs+9.4 pts · reaches C
Wind turbine£15,000 – £25,000£32350+ yrs+7.2 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

£4,844
per year at grade G
£1,922
per year at grade B

The full plan saves £2,922 a year — a 6.0% annual return on £48,468.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £5,309 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

No sale recorded for this address since 1995.

Schools nearby

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

SchoolPhaseDistanceProgress
Heswall St Peter's CofE Primary SchoolPrimary8.7 mi
Ladymount Catholic Primary SchoolPrimary9.7 mi
Thurstaston Dawpool CofE Primary SchoolPrimary9.9 mi
Pensby High SchoolSecondary9.6 miProgress 8 +0.28 · above average (2023/24)
Calday Grange Grammar SchoolSecondary10.3 miProgress 8 +0.31 · above average (2023/24)
West Kirby Grammar SchoolSecondary10.8 miProgress 8 +0.42 · 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.

4.2
crimes a month
25
in the last 12 months
Violence and sexual offences
most common · 40% of the total

Police.uk street-level data for LSOA W01000270, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.