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Get started18 Dekker Road, Southwark, London, SE21 7DL
1 planning record
About 18 Dekker Road
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
18 Dekker Road is an end-of-terrace house in Southwark, London, London (SE21 7DL). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (April 2020) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since January 2010. Between certificates, lighting went from Poor to Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 81), a 3-band jump.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2025. Past consents include an extension, meaningful when judging how the property has evolved.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
18 Dekker Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
Current Certificate(1 of 2)
Apr 2020
EPC Rating
A
B
C
D
E
E54
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
3.6 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 18 Dekker Road, Southwark, London, SE21 7DL, sourced from the PlanIt planning register.
18 Dekker Road has an approved single-storey rear extension on the planning record.
- Feb 2025ExtensionFullGranted
Extension: Single storey · Rear of property
Construction of a single storey rear extension
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
18 Dekker Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
Current estimate
See how we calculated this£717,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
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The complete analysis of 18 Dekker Road, Southwark, London, SE21 7DL
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Dekker Road homes
Four headline reads against 23 similar houses on this street, drawn from the latest EPC and Land Registry data.
On epc rating, 18 Dekker Road runs well behind the street norm.
EPC Rating
54 (E)
Street avg 63 (D)
Floor Area
60 m²
Street avg 61 m²
CO₂ Emissions
3.6 t/year
Street avg 2.8 t/year
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Dulwich Village — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SE21 7DL from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
52.1dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 97 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 18 Dekker Road, Southwark, London, SE21 7DL. Each answer is also embedded as structured data for search engines.