6 Flax Field, Barnard Castle DL12 9BJ

Mid-Terrace house · Built 1967-1975 · 113 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

CA for £15,123 · £7,561 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£470.5 yrs+5.3 pts
Floor insulation£800 – £1,200£5518.2 yrs+6.2 pts
Band A condensing boiler£2,200 – £3,000£3450+ yrs+3.8 pts · reaches B
Solar water heating£4,000 – £6,000£4350+ yrs+4.8 pts
Solar photovoltaic panels£5,000 – £8,000£5150+ yrs+5.7 pts · reaches A
Wind turbine(optional, beyond A)£15,000 – £25,000£4550+ yrs+5.1 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

£1,578
per year at grade C
£1,304
per year at grade A

The full plan saves £229 a year — a 1.5% annual return on £15,123.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2015, states £1,105 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

30 January 2020£208,000
24 March 2016£182,000

Estimated today: £298,243 HPI-indexed estimate, not a valuation

Flax Field: 20 sales since 1995 · £214,500 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
St Mary's Catholic Primary School, Barnard CastlePrimary0.4 mi
Montalbo Nursery & Primary SchoolPrimary0.4 mi
Green Lane Church of England Primary SchoolPrimary0.8 mi
Teesdale School and Sixth FormSecondary0.8 miProgress 8 +0.27 · above average (2023/24)
Staindrop AcademySecondary5.2 miProgress 8 -0.16 · 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.

27.1
crimes a month
298
in the last 12 months
Violence and sexual offences
most common · 43% of the total

Police.uk street-level data for LSOA E01020854, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Flax Field

How this home sits against its street.

9
graded homes
63.4
average score
D
most common grade
+5.6
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.