4 Hambye Close, Lacey Green, Princes Risborough HP27 0QZ

Detached house · Built 1991-1995 · 155 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DC for £10,700 · £10,700 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Loft insulation£100 – £350£544.2 yrs+1.7 pts
Heating controls£350 – £450£419.8 yrs+1.3 pts
Low energy lighting£75£515.3 yrs+0.2 pts
Floor insulation£4,000 – £6,000£11244.5 yrs+3.6 pts
Solar water heating£4,000 – £6,000£8750+ yrs+2.8 pts · reaches C
Solar photovoltaic panels(optional, beyond C)£5,000 – £8,000£10450+ yrs+3.4 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

£2,139
per year at grade D
£1,736
per year at grade C

The full plan saves £299 a year — a 2.8% annual return on £10,700.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2015, states £1,474 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

22 April 2022£900,000
23 November 1995£220,000

Estimated today: £977,277 HPI-indexed estimate, not a valuation

Schools nearby

No school in the register within reach of this postcode.

Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.