12 Thirlmere Close, Great Notley, Braintree CM77 7UL

Detached house · Built 1983-1990 · 121 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation(optional, beyond C)£5,000 – £10,000£3850+ yrs+2.6 pts
Solar photovoltaic panels(optional, beyond C)£8,000 – £10,000£3550+ yrs+2.4 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

£1,370
per year at grade C
£1,297
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2026, states £1,254 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

27 March 2026£500,000
8 July 2020£427,500
30 March 1995£89,500

Estimated today: £516,461 HPI-indexed estimate, not a valuation

Thirlmere Close: 21 sales since 1995 · £439,250 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
White Court SchoolPrimary0.2 mi
Notley Green Primary SchoolPrimary0.4 mi
John Ray Junior SchoolPrimary1.0 mi
Notley High School and Braintree Sixth FormSecondary0.8 miProgress 8 -0.11 · average (2023/24)
Tabor AcademySecondary1.7 miProgress 8 -0.41 · below average (2023/24)
Alec Hunter AcademySecondary2.0 miProgress 8 -0.10 · 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.

4.8
crimes a month
38
in the last 12 months
Violence and sexual offences
most common · 42% of the total

Police.uk street-level data for LSOA E01021384, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Thirlmere Close

How this home sits against its street.

9
graded homes
61
average score
D
most common grade
+13.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.