Upgrade Plan
Get upgrade quotes| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Floor insulation(optional, beyond B) | — | £4,000 – £6,000 | £131 | 38.2 yrs | +2.0 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
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £1,242 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £1,258,837 HPI-indexed estimate, not a valuation
Yarrowside: 13 sales since 1995 · £1,012,500 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Chalfont Valley E-ACT Primary Academy | Primary | 0.6 mi | — |
| Little Chalfont Primary School | Primary | 0.8 mi | — |
| St George's Church of England Infant School | Primary | 1.1 mi | — |
| Dr Challoner's High School | Secondary | 0.3 mi | Progress 8 +1.11 · well above average (2023/24) |
| Amersham School | Secondary | 1.1 mi | Progress 8 +0.34 · above average (2023/24) |
| Dr Challoner's Grammar School | Secondary | 2.0 mi | Progress 8 +1.18 · well 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.
Yarrowside
How this home sits against its street.