25 Royal Avenue, Tonbridge TN9 2DB

Semi-Detached house · Built 1950-1966 · 85 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation(optional, beyond C)£5,000 – £10,000£3650+ yrs+3.1 pts
Solar photovoltaic panels(optional, beyond C)£8,000 – £10,000£3450+ 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

£1,160
per year at grade C
£1,090
per year at grade C

Energy costs as modelled on the certificate, not a bill.

Sold prices

23 February 2001£140,000

Estimated today: £484,085 HPI-indexed estimate, not a valuation

Royal Avenue: 71 sales since 1995 · £507,938 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Royal Rise Primary SchoolPrimaryunder 0.1 mi
Bishop Chavasse Primary SchoolPrimary0.4 mi
Slade Primary School and Attached Unit for Children with Hearing ImpairmentPrimary0.8 mi
Hillview School for GirlsSecondary0.1 miProgress 8 +0.37 · above average (2023/24)
Weald of Kent Grammar SchoolSecondary0.3 miProgress 8 +0.77 · well above average (2023/24)
Tonbridge Grammar SchoolSecondary0.4 miProgress 8 +0.75 · 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.

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.

20.1
crimes a month
221
in the last 12 months
Shoplifting
most common · 34% of the total

Police.uk street-level data for LSOA E01035009, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Royal Avenue

How this home sits against its street.

30
graded homes
63.8
average score
D
most common grade
+7.2
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.