Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started33a is a two-bedroom semi-detached house in Merton, London, London (SW19 1AA). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 1983-1990 and council tax band D. Tenure is freehold. At 41 m² this is the 4th 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. Other recorded features include a balcony. The latest certificate (November 2018) shows a C (score 75), near the top of the C band. When first surveyed in February 2011 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Poor to Very Good; while window efficiency dropped from Good to Poor.
Sale prices here have outpaced London HPI: 11.9% per year against 0% for the wider region. Today's modelled estimate of £517,000 is 10.2% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£1,063/sq ft) was about 168.9% above the typical sold price in the postcode. Most recent transfer: March 2021 at £469,000. 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. One planning record on file: an extension approved in 2008. Past consents include an extension, meaningful when judging how the property has evolved. At 41 m² it's 19.6% smaller than the typical home in the postcode (51 m² median across 47 EPCs).
33a's carbon output is low for the local stock.
APPLICATION FOR THE ERECTION OF A REAR MANSARD ROOF EXTENSION WITH DORMER WINDOWS AND 2 VELUX TYPE WINDOWS TO EXISTING ROOF AT FRONT OF BUILDING.
Price for 33a has grown more than fourfold since the 1997 starting point.
£517,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.9% per year over 24 years.
£469,000
Growth on file: 11.9% per year over 24 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
33a outperforms the street on price per m² by a wide margin.
Price per m²
£11,439
Street avg £6,202
Floor Area
41 m²
Street avg 53 m²
Habitable Rooms
2 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
Cavity wall insulation installed
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
4 March 2021Most recent
£469,000
+43.2%over 8 years4 October 2012
£327,500
+62.1%over 8 years16 July 2004
£202,000
+512.1%over 6 years17 July 1997
£33,000
Median price across the last 5 sales in SW19 1AA: £523,000 (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
Ad-free · Instant access · Secure Stripe checkout · One-off payment
Street avg 3 rooms
CO₂ Emissions
1.2 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