21 Swallowdale, South Croydon CR2 8SG

Semi-Detached maisonette · Built 1976-1982 · 53 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Cavity wall insulation(optional, beyond C)£500 – £1,500£7313.7 yrs+2.1 pts
Floor insulation(optional, beyond C)£4,000 – £6,000£9850+ yrs+2.9 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

£760
per year at grade C
£589
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £981 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

4 September 2023£290,000
28 September 2016£255,000
21 January 2004£154,000
21 June 2002£108,000
27 March 1997£45,000

Estimated today: £269,718 HPI-indexed estimate, not a valuation

Swallowdale: 166 sales since 1995 · £272,829 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Selsdon Primary and Nursery SchoolPrimary0.3 mi
Quest Primary SchoolPrimary0.3 mi
Forestdale Primary SchoolPrimary0.4 mi
The Quest AcademySecondary0.3 miProgress 8 -0.35 · below average (2023/24)
Coloma Convent Girls' SchoolSecondary1.5 miProgress 8 +0.52 · well above average (2023/24)
Coombe Wood SchoolSecondary1.6 miProgress 8 +0.38 · 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.

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.

4.4
crimes a month
40
in the last 12 months
Violence and sexual offences
most common · 48% of the total

Police.uk street-level data for LSOA E01001126, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Swallowdale

How this home sits against its street.

59
graded homes
54.9
average score
E
most common grade
+18.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.