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Get started171 Hartfield Road is a three-bedroom mid-terrace house in Merton, London, London (SW19 3TH). It has a recorded floor area of 116 m² (around 1249 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (July 2020) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in July 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Poor to Very Good; while roof efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 85), a 2-band jump. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced London HPI: 2.5% per year against 0% for the wider region. Today's modelled estimate of £865,000 is 13.1% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£613/sq ft) was about 37.4% above the typical sold price in the postcode. At 116 m² the property is well over the postcode median (74 m² across 9 EPCs), placing it in the larger end of the local stock. 5 planning records sit against the property, 5 approved, 0 refused. Past consents include an extension and subdivision, meaningful when judging how the property has evolved. Sold November 2020 for £765,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
Council records show a subdivision application — the property's legal arrangement has been altered.
Extension: Single storey · Side of property
ERECTION OF A SINGLE STOREY SIDE RETURN EXTENSION WITH A PITCHED ROOF.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£865,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.5% per year over 2 years.
£765,000
Growth on file: 2.5% per year over 2 years.
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Detailed AI analysis
On epc rating, 171 Hartfield Road stands well clear of the street.
EPC Rating
67 (D)
Street avg 60 (D)
Floor Area
116 m²
Street avg 109 m²
CO₂ Emissions
4.0 t/year
Street avg 4.5 t/year
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Merton Park Tram Stop — bus stop.

Daytime· 07:00 – 23:00
53.4dB

Changes detected from historical EPC data
Hot water efficiency decreased
Single glazing replaced with double or better glazing
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
CONVERSION OF EXISTING DWELLINGHOUSE INTO 1 X ONE BEDROOM FLAT AND 1 X THREE BEDROOM FLAT.
3 more applications for this property
Join to see all planning history.
11 November 2020Most recent
£765,000
+4.1%over 1 year5 April 2019
£735,000
Median price across the last 5 sales in SW19 3TH: £385,000 (2023–2014).
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Every application and decision on record
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Habitable Rooms
5 rooms
Street avg 5 rooms
SW19 3QL
Closest school
0.3 km
St Mary's Catholic Primary School. 40 schools nearby.
Night-time· 23:00 – 07:00
44.0dB