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Get started12 Glendale Drive is a three-bedroom semi-detached house in Merton, London, London (SW19 7BG). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1930-1949 and council tax band E. At 82 m² this is the 15th smallest of 37 units on EPC record in the building, where floor areas span 64–195 m². The building's EPC ratings span E to C across 37 units on file. Other recorded features include a balcony and a loft. Our model identifies extension potential, subject to local planning policy. The latest certificate (May 2017) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78).
Sale prices here have outpaced London HPI: 4% per year against 0% for the wider region. Today's modelled estimate of £770,000 is 16.7% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£748/sq ft) was about 131% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. On the market in March 2018 and unlisted since — roughly 8 years.
Extension: Single storey
PROPOSED ERECTION OF A REAR ROOF EXTENSION, CONVERSION OF LOFT WITH REAR DORMER AND A JULIET BALCONY INCLUDING A HIP TO GABLE.
12 Glendale Drive valuation sits well clear of the typical sold price in this postcode.
£770,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 11 years.
£660,000
Growth on file: 4.0% per year over 11 years.
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Detailed AI analysis
Price per m² for 12 Glendale Drive runs comfortably ahead of the street norm.
Price per m²
£8,049
Street avg £5,289
Floor Area
82 m²
Street avg 89 m²
Habitable Rooms
4 rooms
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Wimbledon Magistrates Court — bus stop.

Daytime· 07:00 – 23:00
53.9dB

REAR ROOF EXTENSION INCLUDING HIP TO GABLE CONVERSION
1 March 2018Most recent
£660,000
+53.5%over 10 years12 April 2007
£430,000
Median price across the last 5 sales in SW19 7BG: £725,000 (2025–2022).
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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Street avg 4 rooms
CO₂ Emissions
3.1 t/year
Street avg 3.9 t/year
SW19 7EY
Closest school
0.2 km
Bishop Gilpin CofE Primary School. 44 schools nearby.
Night-time· 23:00 – 07:00
42.5dB