23a, Rampart Road, Southampton, SO18 1AT
About 23a
23a is a semi-detached house in Southampton (SO18 1AT). It has a recorded floor area of 44 m² (around 474 sq ft) and construction records dating it to 1976-1982. At 44 m² this is the smallest unit on EPC record across the building (44–173 m²). The building's EPC ratings span G to D, with this unit at the top. The latest certificate (August 2012) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in December 2008 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, window efficiency went from Poor to Average and hot-water efficiency went from Poor to Average. The recommended improvements would push it to C (score 77). Main heating runs on electricity. The latest certificate is from August 2012, so improvements made since then won't be reflected.
At 44 m² it sits well below the postcode median (111 m² across 11 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2014. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved.
Everything you need to know about 23a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
23a's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 26 Aug 2022
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Windows upgraded, improving insulation
Wall insulation upgraded
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Dec 2014DemolitionFullIn report
Extension: Single storey · Rear of property
Erection of a single storey flat-roof rear extension following demolition of existing conservatory, and erection of new external stairs to 1st floor flat. (resubmission of 13/01844/FUL)
Extension- Documents
- 9 docs on file
- Reference
- 14/01726/FUL
We flagged 1 thing worth checking at 23a
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
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Sales history & valuation
23a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£146,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SO18 1AT: £300,000 (2025–2017).
Nearby sales in SO18 1AT
Everything you need to know about 23a
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
Similar properties nearby
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
Rampart Road — bus stop.
Closest school
0.2 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
51.7dB
Night-time· 23:00 – 07:00
43.3dB