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Get started1a, Allison Grove, Southwark, London, SE21 7ER
4 planning records
About 1a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
1a is a semi-detached house in Southwark, London, London (SE21 7ER). It has a recorded floor area of 223 m² (around 2400 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (June 2012) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2012. Between certificates, roof efficiency went from Average to Good; while wall efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 75). The latest certificate is from June 2012, so improvements made since then won't be reflected.
Sale prices here have outpaced London HPI: 8.8% per year against 0% for the wider region. Today's modelled estimate of £2,456,000 is 36.4% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£750/sq ft) was about 89.6% above the typical sold price in the postcode. At 223 m² the property is well over the postcode median (161 m² across 11 EPCs), placing it in the larger end of the local stock. 4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Sold September 2019 for £1,800,000.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
1a's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 11 Jun 2022
Planning history
Applications and permits filed against 1a, Allison Grove, Southwark, London, SE21 7ER, sourced from the PlanIt planning register.
A recent planning application at 1a was refused — worth checking the council file.
- May 2023ExtensionAmendmentGranted
Extension: Single storey
Variation of Condition 1 'Approved Plans' pursuant to planning application reference number: 21/AP/4363: "Construction of a ground floor wraparound single storey extension and part first floor rear gable extension including a side dormer, a dormer window to the front elevation; remodelling of an existing garden studio into a bedroom and a new garage; a replacement ground floor timber-screened entrance window and timber cladding". Proposed Variation of condition to substitute approved drawings to extend the proposed garage to allow for covered and secure bicycle storage and separate timber clad with sedum roof bin store
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Latest sale on 1a was the highest on Land Registry record across the postcode.
Current estimate
See how we calculated this£2,456,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.8% per year over 6 years.
Last sold (2019)
£1,800,000
Growth on file: 8.8% per year over 6 years.
Sales timeline
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The complete analysis of 1a, 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.
1a outperforms the street on floor area by a wide margin.
Price per m²
£8,072
Street avg £6,228
Floor Area
223 m²
Street avg 159 m²
Habitable Rooms
10 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 1a, Allison Grove, Southwark, London, SE21 7ER. Each answer is also embedded as structured data for search engines.