21 Tees Road, Aylesbury HP21 9NX

Mid-Terrace house · Built 1976-1982 · 48 m² · Boiler and radiators, mains gas

Upgrade Plan

EC for £26,178 · £13,089 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£680.3 yrs+2.8 pts · reaches D
Low energy lighting£5£31.4 yrs+0.1 pts
Cavity wall insulation£100 – £300£593.4 yrs+2.4 pts
Loft insulation£100 – £300£385.3 yrs+1.5 pts
Wind turbine£1,500 – £4,000£6641.8 yrs+2.7 pts
Band A condensing boiler£1,500 – £3,500£4950+ yrs+2.0 pts
Solar water heating£4,000 – £6,000£6250+ yrs+2.5 pts
Solar photovoltaic panels£11,000 – £20,000£7350+ yrs+3.0 pts · reaches C

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

£1,160
per year at grade E
£742
per year at grade C

The full plan saves £418 a year — a 1.6% annual return on £26,178.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2011, states £707 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

29 March 2021£190,000
20 December 2017£170,000
27 September 2012£122,000
30 November 2007£125,000
5 August 2002£90,000
10 August 2001£72,500
28 February 1997£41,000

Estimated today: £222,372 HPI-indexed estimate, not a valuation

Tees Road: 43 sales since 1995 · £235,625 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Ashmead Combined SchoolPrimary0.2 mi
Oak Green SchoolPrimary0.7 mi
Bearbrook Combined SchoolPrimary1.0 mi
The Mandeville SchoolSecondary0.4 miProgress 8 -0.78 · well below average (2023/24)
Sir Henry Floyd Grammar SchoolSecondary0.8 miProgress 8 +0.49 · above average (2023/24)
Aylesbury UTCSecondary0.9 miProgress 8 -1.38 · well below 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.

5.8
crimes a month
64
in the last 12 months
Violence and sexual offences
most common · 58% of the total

Police.uk street-level data for LSOA E01017723, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Tees Road

How this home sits against its street.

23
graded homes
68.2
average score
C
most common grade
-14.2
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.