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Get startedFlat 5, 3 Sloane Avenue, London, SW3 3JD
About Flat 5
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Flat 5 is a semi-detached house in London (SW3 3JD). It has a recorded floor area of 35 m² (around 377 sq ft) and construction records dating it to 1900-1929. At 35 m² this is the smallest unit on EPC record across the building (35–64 m²). The building's EPC ratings span F to C across 5 units on file. The latest certificate (July 2025) shows an E (score 40), well below the UK norm with real room to improve. When first surveyed in April 2015 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average; while hot-water efficiency dropped from Average to Very Poor and lighting dropped from Very Good to Poor. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on to be used only when there is no heating/hot.
Sale prices here have outpaced London HPI: 11.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,394/sq ft) was about 83% above the typical sold price in the postcode. At 35 m² it sits well below the postcode median (64 m² across 20 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). On the market in April 2015 and unlisted since — roughly 11 years.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Flat 5's carbon output is low for the local stock.
Current Certificate(1 of 2)
Jul 2025
EPC Rating
A
B
C
D
E
E40
F
G
Main Heating
Electric
Main Fuel
—
Hot Water
Very Poor
Windows
Very Poor
CO2 Emissions
0.8 t/year
Occupancy
Rented
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Flat 5 has more than quadrupled in price since its earliest registered sale in 2000.
Current estimate
See how we calculated this£479,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.7% per year over 15 years.
Last sold (2015)
£525,000
Growth on file: 11.7% per year over 15 years.
Sales timeline
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The complete analysis of Flat 5, 3 Sloane Avenue, London, SW3 3JD
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Sloane Avenue homes
Four headline reads against 15 similar flats on this street, drawn from the latest EPC and Land Registry data.
Floor Area for Flat 5 lags the street by a wide margin.
Price per m²
£15,000
Street avg £12,713
Floor Area
35 m²
Street avg 69 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Walpole Street — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SW3 3JD from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
56.8dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 84 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about Flat 5, 3 Sloane Avenue, London, SW3 3JD. Each answer is also embedded as structured data for search engines.