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Get started13a is a two-bedroom detached house in Merton, London, London (SW19 1AA). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1983-1990 and council tax band C. At 40 m² this is the 3rd smallest of 48 units on EPC record in the building, where floor areas span 34–85 m². The building's EPC ratings span E to C, with this unit at the top. Period features are noted in the property record. The latest certificate (November 2018) shows a C (score 70). The rating has held steady at C across 2 certificates since August 2010. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Very Poor to Average and lighting went from Average to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.
Sale prices here have outpaced London HPI: 5.7% per year against 0% for the wider region. Today's modelled estimate of £435,000 sits 53.7% above the 2011 sale of £283,000. On a £-per-square-foot basis, the last sale (£657/sq ft) was about 66.3% above the typical sold price in the postcode. One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved. 15 years since the last transfer (August 2011). At 40 m² it's 21.6% smaller than the typical home in the postcode (51 m² median across 47 EPCs).
13a has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
ERECTION OF AN L-SHAPED REAR ROOF EXTENSION WITH JULIETTE BALCONY
13a valuation sits well clear of the typical sold price in this postcode.
£435,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 6 years.
£283,000
Growth on file: 5.7% per year over 6 years.
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On floor area, 13a runs well behind the street norm.
Price per m²
£7,075
Street avg £6,353
Floor Area
40 m²
Street avg 53 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Milton Road (SW19) — bus stop.

Daytime· 07:00 – 23:00
52.8dB

Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Windows upgraded, improving insulation
Cavity wall insulation installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
12 August 2011Most recent
£283,000
+38.0%over 5 years21 October 2005
£205,000
Median price across the last 5 sales in SW19 1AA: £523,000 (2025–2023).
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CO₂ Emissions
1.6 t/year
Street avg 2.2 t/year
SW19 1BL
Closest school
0.2 km
Garfield Primary School. 54 schools nearby.
Night-time· 23:00 – 07:00
42.1dB