21 Gladstone Street, Southwark, London, SE1 6EY
About 21 Gladstone Street
21 Gladstone Street is a three-bedroom mid-terrace house in Southwark, London, London (SE1 6EY). It has a recorded floor area of 127 m² (around 1367 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (June 2024) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in October 2014 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Poor and hot-water efficiency went from Average to Good. The recommended improvements would lift it to B (score 85), a 2-band jump.
One planning record on file: an extension approved in 2017. Past consents include an extension and new windows, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. Across 2015–2024, sale prices on this property compounded at 2.6% per year. On a £-per-square-foot basis, the last sale (£1,068/sq ft) was about 88.8% above the typical sold price in the postcode. Last sale on file: £1,460,000 in July 2024.
What this property has
Inside
- Bedrooms3
- Bathrooms2
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency improved
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,795 · Includes VAT
Planning history
21 Gladstone Street has a listed-building consent on record — alterations to a listed property are tightly controlled.
1 application on record at 21 Gladstone Street, Southwark, London, SE1 6EY
- Feb 2017ExtensionHeritageOutcome in report
Alteration to Grade II listed terraced house: create opening in lower ground floor interior wall; install en-suite bathroom into the non-original mansard roof extension; create direct access from lower ground floor into private garden which requires replacing sash window with double doors and partially lowering private garden; repair flat roof on non-original bathroom extension and replace french glass door with sash window; complete damp protection course on lower ground floor; replace steel framed window in lower ground floor with single glazed timber framed window; switch kitchen and dining areas; replace vault door; and repair and repaint house exterior.
ListedNew Windows- Documents
- 2 docs on file
- Reference
- 16/AP/5207
Unlock 21 Gladstone Street, Southwark, London, SE1 6EY's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 4 notable nearby
- The 2 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
21 Gladstone Street valuation sits well clear of the typical sold price in this postcode.
£1,542,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.6% per year over 9 years.
£1,460,000
Growth on file: 2.6% per year over 9 years.
Sales timeline
28 July 2024Most recent
£1,460,000
+27.0%over 9 years16 April 2015
£1,150,000
Median price across the last 5 sales in SE1 6EY: £1,360,000 (2025–2023).
Nearby sales in SE1 6EY
48 Gladstone Street, Southwark, London, SE1 6EY
Sold Mar 2025
£1,295,00011 Gladstone Street, Southwark, London, SE1 6EY
Sold Aug 2024
£1,360,00029 Gladstone Street, Southwark, London, SE1 6EY
Sold Mar 2024
£1,300,00033 Gladstone Street, Southwark, London, SE1 6EY
Sold Mar 2024
£1,536,50030 Gladstone Street, Southwark, London, SE1 6EY
Sold Sept 2023
£1,499,800
Versus other Gladstone Street homes
21 Gladstone Street outperforms the street on price per m² by a wide margin.
Price per m²
£11,496
Street avg £8,069
Floor Area
127 m²
Street avg 132 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
5.3 t/year
Street avg 5.9 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
44/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Lambeth Road — bus stop.
Closest school
0.1 km
St Jude's Church of England Primary School. 90 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
62.9dB

Night-time· 23:00 – 07:00
55.5dB







