25a, Quayside Road, Southampton, SO18 1AE
About 25a
25a is a one-bedroom semi-detached house in Southampton (SO18 1AE). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1930-1949 and council tax band A. At 55 m² this is the 7th smallest of 24 units on EPC record in the building, where floor areas span 35–145 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (August 2021) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since August 2011. Between certificates, lighting went from Very Poor to Very Good.
Untraded for 20 years, with the last transfer in June 2006. At 55 m² it sits well below the postcode median (87 m² across 23 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Across 2000–2006, sale prices on this property compounded at 10.7% per year. Today's modelled estimate of £194,000 is 14.1% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£287/sq ft) was about 58.5% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Energy performance
25a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Planning history
25a has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 1 thing worth checking at 25a
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
£194,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.7% per year over 6 years.
£170,000
Growth on file: 10.7% per year over 6 years.
Sales timeline
15 June 2006Most recent
£170,000
+88.9%over 6 years15 March 2000
£90,000
Median price across the last 5 sales in SO18 1AE: £320,000 (2024–2021).
Nearby sales in SO18 1AE
Versus other Quayside Road homes
25a outperforms the street on price per m² by a wide margin.
Price per m²
£3,091
Street avg £2,771
Floor Area
55 m²
Street avg 46 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.5 t/year
Street avg 1.8 t/year
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The neighbourhood at a glance
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
Quayside Road — bus stop.
Closest school
0.3 km
Bitterne Manor Primary School. 38 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.9dB

Night-time· 23:00 – 07:00
42.9dB







