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Get started6 Grafton Square is a two-bedroom property in Lambeth, London, London (SW4 0DE). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (July 2025) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since December 2009. Between certificates, lighting went from Very Poor to Good; while window efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Very Good to Good.
It hasn't traded since May 2010, a hold of 16 years that's notably long for the area. Sale prices here have outpaced London HPI: 16.4% per year against 0% for the wider region. Today's modelled estimate of £1,068,000 is 31% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£823/sq ft) was about 138.5% above the typical sold price in the postcode. 15 planning records sit against the property, 7 approved, 8 refused. Past consents include an extension, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. At 92 m² it sits well below the postcode median (175 m² across 5 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs).
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Extension: Single storey
Replacement of existing single storey lower ground floor rear extension and the erection of a rear infill extension with internal alterations:- installation of new partition walls and doors to create a new bedroom and bathroom with alterations to the existing dining/kitchen area at lower ground floor level. Replacement of existing reception room with a new bedroom, installation of a new shower room at ground floor level. [Town Planning and Listed Building]
£1,068,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.4% per year over 4 years.
£815,000
Growth on file: 16.4% per year over 4 years.
CO₂ Emissions for 6 Grafton Square runs comfortably ahead of the street norm.
EPC Rating
69 (C)
Street avg 74 (C)
Floor Area
92 m²
Street avg 127 m²
CO₂ Emissions
2.7 t/year
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Wingate Square — bus stop.

Daytime· 07:00 – 23:00
55.0dB

Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Rear of property
Replacement of existing single storey lower ground floor rear extension and the erection of a rear infill extension with internal alterations:- installation of new partition walls and doors to create a new bedroom and bathroom with alterations to the existing dining/kitchen area at lower ground floor level. Replacement of existing reception room with a new bedroom, installation of a new shower room at ground floor level. [Town Planning and Listed Building]
13 more applications for this property
Join to see all planning history.
7 May 2010Most recent
£815,000
+76.8%over 3 years2 August 2006
£461,000
Median price across the last 5 sales in SW4 0DE: £1,485,000 (2019–2010).
Street avg 3.3 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
SW4 0HH
Closest school
0.1 km
Clapham Manor Primary School. 78 schools nearby.
Night-time· 23:00 – 07:00
45.1dB
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