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3 planning records
About 18 Allison Grove
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
18 Allison Grove is a detached house in Southwark, London, London (SE21 7ER). It has a recorded floor area of 153 m² (around 1644 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (March 2009) shows an F (score 27), near the bottom of the EPC scale. The recommended improvements would push it to E (score 54). The latest certificate is from March 2009, so improvements made since then won't be reflected.
Held since May 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £1,430,000 sits 120% above the 2009 sale of £650,000. On a £-per-square-foot basis, the last sale (£395/sq ft) was about 19.5% below the postcode norm. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a loft conversion and new windows, 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 Allison Grove sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 31 Mar 2019
Planning history
Applications and permits filed against 18 Allison Grove, Southwark, London, SE21 7ER, sourced from the PlanIt planning register.
- Nov 2014ConditionsAgreed - for App Types VLA & VNMC
Non-material amendment to planning permission 14-AP-1630 for "Erection of a single storey rear extension and first floor rear extension" for the omission of the first floor rear extension.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
Current estimate
See how we calculated this£1,430,000
Modelled from EPC, postcode comparables.
Last sold (2009)
£650,000
Recorded with HM Land Registry.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 18 Allison Grove, Southwark, London, SE21 7ER
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Allison Grove homes
Four headline reads against 11 similar houses on this street, drawn from the latest EPC and Land Registry data.
18 Allison Grove is notably below the street on epc rating.
Price per m²
£4,256
Street avg £6,652
Floor Area
153 m²
Street avg 165 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
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 College — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SE21 7ER from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
51.0dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 93 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 18 Allison Grove, Southwark, London, SE21 7ER. Each answer is also embedded as structured data for search engines.