40 Bytham Heights, Castle Bytham, Grantham NG33 4ST

Detached house · Built 1991-1995 · 125 m² · Boiler and radiators, oil

Upgrade Plan

FD for £7,120 · £3,560 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Loft insulation£100 – £350£723.1 yrs+2.5 pts · reaches E
High-performance doors£500£1224.1 yrs+4.2 pts
Floor insulation£800 – £1,200£1526.6 yrs+5.3 pts
Low energy lighting£45£76.8 yrs+0.2 pts
Wind turbine£1,500 – £4,000£12621.8 yrs+4.4 pts
Band A condensing boiler£2,200 – £3,000£9427.8 yrs+3.3 pts · reaches D
Solar water heating(optional, beyond D)£4,000 – £6,000£11842.3 yrs+4.1 pts
Solar photovoltaic panels(optional, beyond D)£9,000 – £14,000£14150+ yrs+4.9 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

£2,782
per year at grade F
£1,950
per year at grade D

The full plan saves £573 a year — a 8.0% annual return on £7,120.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2012, states £1,933 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

26 June 2013£185,000
30 May 2001£134,000
25 September 1997£93,000

Estimated today: £322,110 HPI-indexed estimate, not a valuation

Bytham Heights: 75 sales since 1995 · £267,950 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Bythams Primary SchoolPrimary1.6 mi
South Witham AcademyPrimary4.2 mi
Corby Glen Community Primary SchoolPrimary4.5 mi
Casterton College RutlandSecondary5.1 miProgress 8 +0.17 · average (2023/24)
Stamford Welland AcademySecondary6.4 miProgress 8 -0.01 · average (2023/24)
Walton AcademySecondary11.6 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.

7.4
crimes a month
81
in the last 12 months
Violence and sexual offences
most common · 33% of the total

Police.uk street-level data for LSOA E01026338, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Bytham Heights

How this home sits against its street.

25
graded homes
59.3
average score
D
most common grade
-22.3
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.