15 Warren Road, Orpington BR6 6JF

Semi-Detached house · Built 1950-1966 · 130 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DC for £6,000 · £6,000 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Cavity wall insulation£500 – £1,500£5119.6 yrs+3.4 pts
Solar water heating£4,000 – £6,000£5350+ yrs+3.5 pts · reaches C
Solar photovoltaic panels(optional, beyond C)£5,000 – £8,000£6350+ yrs+4.2 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

£1,770
per year at grade D
£1,603
per year at grade C

The full plan saves £104 a year — a 1.7% annual return on £6,000.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2017, states £1,169 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

18 July 2018£652,500
24 August 2006£274,750
27 February 1997£94,000

Estimated today: £791,815 HPI-indexed estimate, not a valuation

Warren Road: 216 sales since 1995 · £613,866 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Warren Road Primary SchoolPrimaryunder 0.1 mi
Holy Innocents Catholic Primary SchoolPrimary0.4 mi
Green Street Green Primary SchoolPrimary0.5 mi
St Olave's and St Saviour's Grammar SchoolSecondary0.7 miProgress 8 +1.27 · well above average (2023/24)
Newstead Wood SchoolSecondary0.8 miProgress 8 +1.05 · well above average (2023/24)
Darrick Wood SchoolSecondary1.3 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.

4.7
crimes a month
47
in the last 12 months
Violence and sexual offences
most common · 28% of the total

Police.uk street-level data for LSOA E01000686, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Warren Road

How this home sits against its street.

102
graded homes
60.6
average score
D
most common grade
+2.4
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.