16 Castle Street, Southampton, SO14 6HA
About 16 Castle Street
16 Castle Street is a mid-terrace house in Southampton (SO14 6HA). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (November 2013) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2013. Between certificates, wall efficiency went from Poor to Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 81), a 2-band jump. The latest certificate is from November 2013, so improvements made since then won't be reflected.
Sold December 2021 for £175,000. Across the public record there are 5 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 1997–2021, sale prices on this property compounded at 4.9% per year. Today's modelled estimate of £237,000 is 35.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£191/sq ft) was about 27.2% above the typical sold price in the postcode.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 27 Nov 2023
EPC Rating
Certificate validity
Expired on 27 November 2023
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
16 Castle Street has no planning applications on record.
But the area is active
38 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has grown by over 3x since 1997.
£237,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.9% per year over 25 years.
£175,000
Growth on file: 4.9% per year over 25 years.
Sales timeline
16 December 2021Most recent
£175,000
+22.4%over 8 years5 November 2013
£143,000
-12.0%over 8 years13 October 2005
£162,500
+137.2%over 6 years5 November 1998
£68,500
+28.0%over 1 year14 May 1997
£53,500
Median price across the last 5 sales in SO14 6HA: £195,000 (2026–2011).
Nearby sales in SO14 6HA
Versus other Castle Street homes
Price per m² for 16 Castle Street lags the street by a wide margin.
Price per m²
£2,059
Street avg £2,621
Floor Area
85 m²
Street avg 76 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.4 t/year
Street avg 3.2 t/year
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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







