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Get started122 Merton High Street is a one-bedroom mid-terrace house in Merton, London, London (SW19 1BD). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1900-1929 and council tax band B. At 46 m² this is the 4th smallest of 12 units on EPC record in the building, where floor areas span 30–120 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (March 2025) shows a C (score 72). The rating has held steady at C across 6 certificates since February 2015. Between certificates, wall efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good.
Untraded for 16 years, with the last transfer in July 2010. Sale prices here have outpaced London HPI: 11.7% per year against 0% for the wider region. Today's modelled estimate of £356,000 sits 51.5% above the 2010 sale of £235,000. On a £-per-square-foot basis, the last sale (£475/sq ft) was about 39.5% above the typical sold price in the postcode. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include change of use to residential, an extension and subdivision, meaningful when judging how the property has evolved.
Council records show a subdivision application — the property's legal arrangement has been altered.
APPLICATION FOR CHANGE OF USE OF VACANT FRONT GROUND FLOOR ROOM FROM COMMERCIAL (CLASS A1) TO RESIDENTIAL (CLASS C3)
122 Merton High Street has more than quadrupled in price since its earliest registered sale in 1997.
£356,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.7% per year over 13 years.
£235,000
Growth on file: 11.7% per year over 13 years.
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Detailed AI analysis
122 Merton High Street is notably below the street on habitable rooms.
Price per m²
£5,109
Street avg £7,023
Floor Area
46 m²
Street avg 58 m²
Habitable Rooms
2 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
Merton High Street /Haydons Rd — bus stop.

Daytime· 07:00 – 23:00
57.9dB

Changes detected from historical EPC data
Wall insulation improved
Wall insulation improved
Heating controls changed
Hot water efficiency decreased
More low energy lighting installed
Wall insulation improved
Low energy lighting percentage decreased
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Extension: Single storey
CONSTRUCTION OF ADDITIONAL STOREY WITH CONVERSION OF EXISTING ROOFSPACE TO FORM 1 x SELF CONTAINED FLAT.
1 more application for this property
Join to see all planning history.
30 July 2010Most recent
£235,000
+327.3%over 13 years12 June 1997
£55,000
Median price across the last 5 sales in SW19 1BD: £550,000 (2023–2022).
An AI-written breakdown of everything that matters
Detailed EPC data
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Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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CO₂ Emissions
1.6 t/year
Street avg 2.2 t/year
SW19 1EN
Closest school
0.3 km
Harris Academy Wimbledon. 54 schools nearby.
Night-time· 23:00 – 07:00
47.9dB