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Get started28 Grafton Square is a four-bedroom end-of-terrace house in Lambeth, London, London (SW4 0DB). It has a recorded floor area of 202 m² (around 2174 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (July 2020) shows an E (score 49), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since January 2010. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to C (score 74), a 2-band jump. Other recorded features include a conservatory.
At 202 m² the property is well over the postcode median (81 m² across 38 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). 10 planning records sit against the property, 7 approved, 2 refused. Past consents include new windows, an extension, a conservatory and tree works, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. Today's modelled estimate of £2,692,000 is 39.8% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£885/sq ft) was about 64.6% above the typical sold price in the postcode. Last sale on file: £1,925,000 in December 2020.
28 Grafton Square's carbon output runs well above what efficient homes in the postcode produce.
28 Grafton Square has 3 separate extension applications on the council record.
Approval of details pursuant to Condition 6 (detailed drawings of windows) for planning permission 25/02763/FUL (Proposed second floor rear extension, new double glazed timber sash window and new roof lights in flat roof and existing pitched main Butterly roof. Removal of existing clay tiles and replaced with traditional slates. Replacement of Two existing UPVC windows at second floor rear elevation with new double glazed timber hardwood sash style and other associated alterations. (Please note: The reference number for this Listed Building Consent application is 25/02764/LB but there is also an associated application for Full Planning Permission related to these works with reference number: 25/02763/FUL)). Granted on 10.11.2025.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£2,692,000
Modelled from EPC, postcode comparables.
£1,925,000
Recorded with HM Land Registry.
28 Grafton Square is notably below the street on epc rating.
Price per m²
£9,530
Street avg £8,958
Floor Area
202 m²
Street avg 178 m²
Habitable Rooms
9 rooms
Street avg 7 rooms
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
55.3dB

Changes detected from historical EPC data
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
Proposed second floor rear extension, new double glazed timber sash window and new roof lights in flat roof and existing pitched main Butterly roof. Removal of existing clay tiles and replaced with traditional slates. Replacement of Two existing UPVC windows at second floor rear elevation with new double glazed timber hardwood sash style and other associated alterations. (Please note: The reference number for this Listed Building Consent application is 25/02764/LB but there is also an associated application for Full Planning Permission related to these works with reference number: 25/02763/FUL).
8 more applications for this property
Join to see all planning history.
11 December 2020Most recent
£1,925,000
Median price across the last 5 sales in SW4 0DB: £798,000 (2024–2021).
CO₂ Emissions
10.0 t/year
Street avg 7.8 t/year
SW4 0LX
Closest school
0.1 km
Clapham Manor Primary School. 81 schools nearby.
Night-time· 23:00 – 07:00
45.3dB
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