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Get started12 Castle Street is a mid-terrace house in Southampton (SO14 6HA). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (October 2024) shows a C (score 69), just inside the C band. When first surveyed in July 2014 the rating was G, the property has climbed 4 bands since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Poor to Average and hot-water efficiency went from Very Poor to Good; while roof efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 85).
Its energy rating outperforms most of the postcode (better than 88% of similar EPCs). Today's modelled estimate of £258,000 is 32.3% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£218/sq ft) was about 49.3% above the typical sold price in the postcode. Last changed hands 11 years ago, in January 2015. 3 planning records sit against the property, 1 approved, 0 refused.
Application for approval of details reserved by condition 5 (Water and Energy) of planning permission 15/00503/FUL for a detached dwelling.
12 Castle Street valuation sits well clear of the typical sold price in this postcode.
£258,000
Modelled from EPC, postcode comparables.
£195,000
Recorded with HM Land Registry.
On epc rating, 12 Castle Street stands well clear of the street.
Price per m²
£2,349
Street avg £2,242
Floor Area
83 m²
Street avg 77 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km

Daytime· 07:00 – 23:00
54.5dB

Changes detected from historical EPC data
Upgraded to gas central heating
Switched from solid fuel to cleaner energy source
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Application for discharge of details reserved by Conditions 4 (energy and water), and 6 (land contamination) of planning permission reference 15/00503/FUL (The erection of a detached 2.5 storey 3- bedroom dwelling provided with associated parking and bin and cycle storage, with access from Cedar Road)
1 more application for this property
Join to see all planning history.
16 January 2015Most recent
£195,000
Median price across the last 5 sales in SO14 6HA: £189,277 (2025–2011).
CO₂ Emissions
2.8 t/year
Street avg 3.4 t/year
SO14 6HP
Denzil Avenue — bus stop.
Closest school
0.3 km
Bevois Town Primary School. 38 schools nearby.
Night-time· 23:00 – 07:00
44.4dB
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