2a, Castle Street, Southampton, SO14 6HA
About 2a
2a is a mid-terrace house in Southampton (SO14 6HA). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (February 2025) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in February 2015 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 85), a 2-band jump.
One planning record on file: an extension approved in 2007. Past consents include an extension, meaningful when judging how the property has evolved.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 19 February 2035
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency improved
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
2a has an approved single-storey rear extension on the planning record.
1 application on record at 2a, Castle Street, Southampton, SO14 6HA
- Jul 2007ExtensionFullOutcome in report
Extension: Single storey · Rear of property
First floor rear extension
- Documents
- 9 docs on file
- Reference
- 07/00847/FUL
Unlock 2a, Castle Street, Southampton, SO14 6HA's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 38 notable nearby
- The 9 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
2a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£241,000
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 SO14 6HA: £195,000 (2026–2015).
Nearby sales in SO14 6HA
4 Castle Street, Southampton, SO14 6HA
Sold Apr 2026
£250,00010 Castle Street, Southampton, SO14 6HA
Sold Jul 2025
£260,00016 Castle Street, Southampton, SO14 6HA
Sold Dec 2021
£175,0002b, Castle Street, Southampton, SO14 6HA
Sold Jun 2015
£189,27712 Castle Street, Southampton, SO14 6HA
Sold Jan 2015
£195,000
Versus other Castle Street homes
Habitable Rooms for 2a lags the street by a wide margin.
EPC Rating
66 (D)
Street avg 63 (D)
Floor Area
71 m²
Street avg 78 m²
CO₂ Emissions
2.8 t/year
Street avg 3.3 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Crime
413/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Denzil Avenue — bus stop.
Closest school
0.3 km
Bevois Town Primary School. 38 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
54.5dB

Night-time· 23:00 – 07:00
44.4dB







