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Get started9a is a two-bedroom semi-detached house in Merton, London, London (SW17 9DH). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1900-1929 and council tax band C. Tenure is freehold. At 59 m² this is the 5th smallest of 19 units on EPC record in the building, where floor areas span 52–84 m². The building's EPC ratings span D to B, with this unit at the bottom. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy. The latest certificate (March 2021) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2010. Between certificates, lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to C (score 78).
Sale prices here have outpaced London HPI: 8.1% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£709/sq ft) was about 143.5% above the typical sold price in the postcode. Last sale on file: £450,000 in March 2022. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Price for 9a has grown more than fourfold since the 1998 starting point.
£474,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.1% per year over 23 years.
£450,000
Growth on file: 8.1% per year over 23 years.
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Detailed AI analysis
9a outperforms the street on price per m² by a wide margin.
Price per m²
£7,627
Street avg £4,684
Floor Area
59 m²
Street avg 61 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Longley Road — bus stop.

Daytime· 07:00 – 23:00
53.1dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
11 March 2022Most recent
£450,000
+73.7%over 11 years15 November 2010
£259,000
+83.7%over 8 years31 January 2002
£141,000
+93.2%over 3 years18 September 1998
£73,000
Median price across the last 5 sales in SW17 9DH: £355,000 (2025–2023).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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CO₂ Emissions
2.3 t/year
Street avg 2.2 t/year
SW17 9NZ
Closest school
0.3 km
Sellincourt Primary School. 56 schools nearby.
Night-time· 23:00 – 07:00
42.4dB