9 Croyde Close, Sidcup DA15 8DU

Semi-Detached house · Built 1930-1949 · 115 m² · Owner-occupied · Boiler and radiators, mains gas

Upgrade Plan

DC for £21,540 · £21,540 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£40£75.5 yrs+0.3 pts
Floor insulation£800 – £1,200£1666.0 yrs+6.6 pts
Solid wall insulation£4,000 – £14,000£18050+ yrs+7.1 pts
Solar photovoltaic panels£9,000 – £14,000£15450+ yrs+6.1 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

£1,896
per year at grade D
£1,389
per year at grade C

The full plan saves £507 a year — a 2.4% annual return on £21,540.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2013, states £1,144 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

5 January 2007£280,000

Estimated today: £647,298 HPI-indexed estimate, not a valuation

Croyde Close: 21 sales since 1995 · £540,500 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Alderwood Primary SchoolPrimary0.2 mi
Our Lady of the Rosary Catholic Primary SchoolPrimary0.5 mi
Days Lane Primary SchoolPrimary0.5 mi
Leigh Stationers' AcademySecondary0.7 miProgress 8 -0.33 · below average (2023/24)
St Thomas More Catholic Comprehensive SchoolSecondary0.9 miProgress 8 +0.74 · well above average (2023/24)
Harris Academy FalconwoodSecondary0.9 miProgress 8 -0.02 · 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.

13.8
crimes a month
152
in the last 12 months
Violence and sexual offences
most common · 39% of the total

Police.uk street-level data for LSOA E01001618, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Croyde Close

How this home sits against its street.

8
graded homes
50
average score
E
most common grade
+5.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.