21 Siddal Close, Southampton, SO19 0ET
About 21 Siddal Close
21 Siddal Close is a semi-detached house in Southampton (SO19 0ET). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1996-2002 and council tax band B. The latest certificate (December 2021) shows a C (score 73). When first surveyed in June 2015 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good; while lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 87).
Untraded for 18 years, with the last transfer in August 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 2007–2008, sale prices on this property compounded at 3.8% per year. Today's modelled estimate of £228,000 sits 178% above the 2008 sale of £82,000. On a £-per-square-foot basis, the last sale (£102/sq ft) was about 28.9% below the postcode norm.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Window efficiency improved
More low energy lighting installed
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Planning history
21 Siddal Close has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
21 Siddal Close changed hands twice within eighteen months — unusual for the area.
£228,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.8% per year over 1 year.
£82,000
Growth on file: 3.8% per year over 1 year.
Sales timeline
3 August 2008Most recent
£82,000
+4.5%over 1 year31 May 2007
£78,500
Median price across the last 5 sales in SO19 0ET: £210,000 (2024–2019).
Nearby sales in SO19 0ET
Versus other Siddal Close homes
Years Held for 21 Siddal Close runs comfortably ahead of the street norm.
Price per m²
£1,093
Street avg £2,166
Floor Area
75 m²
Street avg 73 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
2.2 t/year
Street avg 2.6 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
12/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Parry Road — bus stop.
Closest school
0.4 km
Valentine Primary School & Nursery. 27 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
52.5dB

Night-time· 23:00 – 07:00
41.4dB







