Model valuation£417,0008 Busby Close
Local market context
Estimated value
£261,000
Newest record on this page: April 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Our estimate
£261,000
Your note and figure are shown publicly on this page.
The estimate for 4 Castle Street is modelled from its 54 m² EPC floor area, its 4 recorded sales and recent sales of comparable homes in SO14 6HA. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Floor area
54 m² from the EPC lodged in January 2019
Sales of this home
4 sales recorded, the latest in 2026
Recent sales in SO14 6HA
5 sales, median £189,277 (2025–2013)
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: April 2026 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | 1 of 2 applications | Full history, plus nearby schemes |
| Flood risk | Not shown | Included |
4 Castle Street has more than quadrupled in price since its earliest registered sale in 1997.
7 April 2026Most recent
£250,000
+145.1%over 25 years12 March 2001
£102,000
+20.0%over 1 year13 September 1999
£85,000
+77.1%over 2 years15 January 1997
£48,000
Median price across the last 5 sales in SO14 6HA: £189,277 (2025–2013).
10 Castle Street, Southampton, SO14 6HA
Sold Jul 2025
16 Castle Street, Southampton, SO14 6HA
Sold Dec 2021
2b, Castle Street, Southampton, SO14 6HA
Sold Jun 2015
12 Castle Street, Southampton, SO14 6HA
Sold Jan 2015
8 Castle Street, Southampton, SO14 6HA
Sold Jun 2011
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4 Castle Street is a four-bedroom mid-terrace house in Southampton (SO14 6HA). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (January 2019) shows a C (score 70). The rating has held steady at C across 2 certificates since January 2009. Between certificates, wall efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 88).
It changed hands recently, sold April 2026 for £250,000. At 54 m² it sits well below the postcode median (81 m² across 9 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 89% of similar EPCs). 2 planning records sit against the property, 2 approved, 0 refused. Past consents include HMO conversion and an extension, meaningful when judging how the property has evolved. Across 1997–2026, sale prices on this property compounded at 5.8% per year. On a £-per-square-foot basis, the last sale (£430/sq ft) was about 178.6% above the typical sold price in the postcode.
Certificate validity
Valid until 8 January 2029
4 Castle Street has an approved single-storey rear extension on the planning record.
2 applications on record at 4 Castle Street, Southampton, SO14 6HA
Extension: Single storey · Rear of property
Erection of single storey rear extension.
You're seeing the shape of it. The report has the substance.
One time fee only - money back guarantee
On price per m², 4 Castle Street stands well clear of the street.
Price per m²
£4,630
Street avg £2,300
Floor Area
54 m²
Street avg 79 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.0 t/year
Street avg 3.4 t/year
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.

Daytime· 07:00 – 23:00
54.5dB

Night-time· 23:00 – 07:00
44.4dB
Get a survey for this property
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
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