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Get started21a is a four-bedroom detached house in Sutton (SM2 5LF). It has a recorded floor area of 143 m² (around 1538 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (July 2010) shows a D (score 59), a step below the typical UK home. The latest certificate is from July 2010, so improvements made since then won't be reflected.
Sale prices here have outpaced Sutton HPI: 7.2% per year against 0% for the wider region. Today's modelled estimate of £703,000 sits 64.4% above the 2012 sale of £427,500. On a £-per-square-foot basis, the last sale (£278/sq ft) was about 36.9% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. 14 years since the last transfer (July 2012).
21a's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 15 Jul 2020
21a has an approved single-storey side extension on the planning record.
Extension: Single storey · Front of property
Conversion of garage into a habitable room involving alterations to front elevation and erection of a first floor front extension and alterations to elevations.
Sale price has at least doubled since 1997.
£703,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.2% per year over 15 years.
£427,500
Growth on file: 7.2% per year over 15 years.
21a is notably below the street on price per m².
Price per m²
£2,992
Street avg £6,175
Floor Area
143 m²
Street avg 168 m²
Habitable Rooms
9 rooms
Street avg 7 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
49.7dB

Extension: Single storey · Side of property
Erection of a first floor side extension and replacement of garage door with a window in connection with its conversion to habitable accommodation.
6 July 2012Most recent
£427,500
+192.8%over 15 years17 February 1997
£146,000
Median price across the last 5 sales in SM2 5LF: £960,000 (2025–2023).
CO₂ Emissions
6.7 t/year
Street avg 8.0 t/year
SM2 5SB
Crossways — bus stop.
Closest school
0.4 km
Barrow Hedges Primary School. 28 schools nearby.
Night-time· 23:00 – 07:00
39.5dB
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