11 Colby Street, Southampton, SO16 9RT
About 11 Colby Street
11 Colby Street is a one-bedroom mid-terrace house in Southampton (SO16 9RT). It has a recorded floor area of 48 m² (around 517 sq ft) and construction records dating it to 2012 onwards. The latest certificate (December 2024) returns a B (score 82), comfortably above the UK average. The rating has held steady at B across 2 certificates since December 2014. Between certificates, window efficiency dropped from Very Good to Good. At 48 m² this is the 6th smallest of 67 units on EPC record in the building, where floor areas span 38–120 m². The building's EPC ratings span C to B, with this unit at the top.
Across 2015–2022, sale prices on this property compounded at 2.4% per year. On a £-per-square-foot basis, the last sale (£310/sq ft) was about 27.4% above the typical sold price in the postcode. At 48 m² it's 23.8% smaller than the typical home in the postcode (63 m² median across 66 EPCs). Most recent transfer: April 2022 at £160,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Open-plan layoutYes
Outside
- Communal gardenYes
- ParkingAllocated
Building
- RefurbishedYes
Everything you need to know about 11 Colby Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
11 Colby Street's carbon output is low for the local stock.
EPC Rating
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Planning history
11 Colby Street has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
11 Colby Street saw 3 transfers in just over a decade — high turnover for the postcode.
£163,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.4% per year over 7 years.
£160,000
Growth on file: 2.4% per year over 7 years.
Sales timeline
28 April 2022Most recent
£160,000
+8.1%over 4 years24 January 2018
£148,000
+9.6%over 3 years23 January 2015
£135,000
Median price across the last 5 sales in SO16 9RT: £155,000 (2023–2022).
Nearby sales in SO16 9RT
Versus other Colby Street homes
Price per m² for 11 Colby Street runs comfortably ahead of the street norm.
Price per m²
£3,333
Street avg £2,848
Floor Area
48 m²
Street avg 60 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
0.8 t/year
Street avg 1.0 t/year
Everything you need to know about 11 Colby Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Green Lane — bus stop.
Closest school
0.3 km
Oasis Academy Lord's Hill. 27 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
52.5dB
Night-time· 23:00 – 07:00
42.6dB