5 Castle Cottages, Anstey, Buntingford SG9 0BW

Semi-Detached house · Built 1900-1929 · 157 m² · Owner-Occupied · Boiler and radiators, B30K

Upgrade Plan

DB for £18,523 · £9,261 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£810.3 yrs+5.5 pts
Solar photovoltaic panels£3,500 – £5,500£8850+ yrs+5.9 pts · reaches C
Floor insulation£4,000 – £6,000£9550+ yrs+6.4 pts
Solid wall insulation£4,000 – £14,000£10350+ yrs+6.9 pts · reaches B
Wind turbine(optional, beyond B)£15,000 – £25,000£7950+ yrs+5.3 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

£2,061
per year at grade D
£1,615
per year at grade B

The full plan saves £367 a year — a 2.0% annual return on £18,523.

Energy costs as modelled on the certificate, not a bill. This fuel has too few recent certificates to restate at today's prices.

Sold prices

4 October 2005£301,000

Estimated today: £624,706 HPI-indexed estimate, not a valuation

Castle Cottages: 3 sales since 1995

Schools nearby

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

SchoolPhaseDistanceProgress
Anstey First SchoolPrimary0.2 mi
Hormead Church of England (VA) First SchoolPrimary2.0 mi
Barkway VA Church of England First SchoolPrimary2.0 mi
Freman CollegeSecondary3.6 miProgress 8 +0.58 · well above average (2023/24)
Melbourn Village CollegeSecondary7.6 miProgress 8 -0.48 · below average (2023/24)
Avanti Grange Secondary SchoolSecondary7.8 miNot in the KS4 performance tables

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
crimes a month
60
in the last 12 months
Violence and sexual offences
most common · 35% of the total

Police.uk street-level data for LSOA E01023462, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Castle Cottages

How this home sits against its street.

4
graded homes
55.5
average score
D
most common grade
+2.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.