25 De Laune Street, Southwark, London, SE17 3UU
About 25 De Laune Street
25 De Laune Street is a five-bedroom mid-terrace house in Southwark, London, London (SE17 3UU). It has a recorded floor area of 198 m² (around 2131 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (July 2024) shows a D (score 55), a step below the typical UK home. The recommended improvements would push it to C (score 79). Other recorded features include a self-contained annexe. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy.
At 198 m² the property is well over the postcode median (107 m² across 33 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. A recent sale: £1,600,000 in June 2025. 4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension, new windows and partial demolition, meaningful when judging how the property has evolved. Across 1998–2025, sale prices on this property compounded at 7.8% per year. On a £-per-square-foot basis, the last sale (£751/sq ft) was about 90.9% above the typical sold price in the postcode.
Know exactly what you're buying at 25 De Laune Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms5
- Bathrooms4
- EnsuiteYes
Outside
- Private gardenYes
Building
- Period featuresYes
- Extension potentialPossible
Energy performance
25 De Laune Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Jan 2026DemolitionFullIn report
Extension: Side and rear of property
Demolition of the existing rear addition and the construction of a single-storey side and rear extension and an outrigger dormer extension; the replacement of the windows to the side and rear of the dwelling with timber framed double glazed units; addition of rooflight to existing mansard; and the addition of a Juliet balcony to the rear elevation, to replace the existing window.
- Agent
- Studio Artisan
ExtensionNew Windows- Documents
- 17 docs on file
- Reference
- 25/AP/3455
- Aug 2020DemolitionFullIn report
Extension: Single storey · Side and rear of property
The demolition of the existing rear addition and the construction of a single-storey side extension and an outrigger dormer extension; the replacement of the windows to the side and rear of the dwelling with timber framed double glazed units; and the addition of a Juliet balcony to the rear elevation, to replace the existing window.
- Agent
- AMP Architecture Studio
ExtensionNew Windows- Documents
- 18 docs on file
- Reference
- 20/AP/1619
What's in 25 De Laune Street, Southwark, London, SE17 3UU's planning history?
2 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
Latest sale on 25 De Laune Street was the highest on Land Registry record across the postcode.
£1,623,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.8% per year over 27 years.
£1,600,000
Growth on file: 7.8% per year over 27 years.
Sales timeline
24 June 2025Most recent
£1,600,000
+240.4%over 21 years8 July 2003
£470,000
+123.8%over 4 years10 August 1998
£210,000
Median price across the last 5 sales in SE17 3UU: £1,150,000 (2024–2017).
Nearby sales in SE17 3UU
5 De Laune Street, Southwark, London, SE17 3UU
Sold May 2024
£1,150,00032 De Laune Street, Southwark, London, SE17 3UU
Sold Aug 2023
£1,525,0003 De Laune Street, Southwark, London, SE17 3UU
Sold Mar 2022
£1,110,00016 De Laune Street, Southwark, London, SE17 3UU
Sold Sept 2019
£430,00026 De Laune Street, Southwark, London, SE17 3UU
Sold Nov 2017
£1,525,000
Everything we know about 25 De Laune Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
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- Is something wrong with it?
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- Will it hold its value?
Versus other De Laune Street homes
25 De Laune Street is notably below the street on years held.
Price per m²
£8,081
Street avg £7,142
Floor Area
198 m²
Street avg 133 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
6.4 t/year
Street avg 6.1 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
19/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Kennington Station — tram stop.
Closest school
0.1 km
Keyworth Primary School. 93 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
56.5dB
Night-time· 23:00 – 07:00
47.3dB