51 New Close, Knebworth SG3 6NU

Semi-Detached bungalow · Built 1950-1966 · 73 m² · Rented (Private) · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Loft insulation(optional, beyond C)£900 – £1,200£2738.9 yrs+1.6 pts
Floor insulation(optional, beyond C)£5,000 – £10,000£5750+ yrs+3.3 pts
Solar photovoltaic panels(optional, beyond C)£8,000 – £10,000£5250+ yrs+3.1 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

£1,020
per year at grade C
£884
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2025, states £835 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

5 August 2014£339,950
7 September 2007£280,000
8 August 2003£250,000
31 July 2000£168,995

Estimated today: £570,425 HPI-indexed estimate, not a valuation

New Close: 90 sales since 1995 · £536,131 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Knebworth Primary and Nursery SchoolPrimary0.4 mi
Shephalbury Park Primary SchoolPrimary1.0 mi
Longmeadow Primary SchoolPrimary1.2 mi
Barnwell SchoolSecondary1.5 miProgress 8 -0.32 · below average (2023/24)
Marriotts SchoolSecondary2.2 miProgress 8 -0.37 · below average (2023/24)
The Nobel SchoolSecondary3.0 miProgress 8 +0.38 · 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.

9.5
crimes a month
104
in the last 12 months
Violence and sexual offences
most common · 23% of the total

Police.uk street-level data for LSOA E01023628, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

New Close

How this home sits against its street.

33
graded homes
64.9
average score
D
most common grade
+6.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.