134 Straight Bit, Flackwell Heath, High Wycombe HP10 9NH

Detached house · Built 1900-1929 · 102 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

D → B for £23,525 · £11,763 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting—£25£102.5 yrs+0.3 pts
Solar photovoltaic panels—£3,500 – £5,500£20821.7 yrs+6.0 pts
Floor insulation—£4,000 – £6,000£22422.3 yrs+6.5 pts · reaches C
Solar water heating—£4,000 – £6,000£17428.7 yrs+5.1 pts
Solid wall insulation—£4,000 – £14,000£24237.1 yrs+7.1 pts · reaches B

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

£1,925
per year at grade D
£1,067
per year at grade B

The full plan saves £858 a year — a 3.6% annual return on £23,525.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £2,387 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

30 May 2024£610,000
4 December 2015£490,500
31 July 2006£342,950
24 January 2003£269,000
24 May 2002£180,500

Estimated today: £650,792 HPI-indexed estimate, not a valuation

Straight Bit: 242 sales since 1995 · £552,729 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Juniper Hill SchoolPrimary0.2 mi—
Wooburn Green Primary SchoolPrimary0.7 mi—
Carrington Junior SchoolPrimary0.7 mi—
E-Act Bourne End AcademySecondary1.1 miProgress 8 -0.18 · average (2023/24)
Beaconsfield High SchoolSecondary2.4 miProgress 8 +0.95 · well above average (2023/24)
The Beaconsfield SchoolSecondary2.5 miProgress 8 0.00 · 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
crimes a month
28
in the last 12 months
Drugs
most common · 29% of the total

Police.uk street-level data for LSOA E01017864, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Straight Bit

How this home sits against its street.

101
graded homes
63
average score
D
most common grade
-3.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.