21 Caistor Close, Southampton, SO16 8GX
About 21 Caistor Close
21 Caistor Close is a three-bedroom end-of-terrace house in Southampton (SO16 8GX). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (June 2025) shows a C (score 72). The rating has held steady at C across 2 certificates since September 2010. Between certificates, wall efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 84).
Across 2011–2016, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £290,000 sits 51% above the 2016 sale of £192,000. One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 10 years ago, in June 2016.
What this property has
Inside
- Bedrooms3
- Bathrooms2
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Window efficiency improved
Wall insulation upgraded
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
21 Caistor Close has an approved single-storey rear extension on the planning record.
1 application on record at 21 Caistor Close, Southampton, SO16 8GX
- Nov 2018ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Erection of a single storey rear extension.
- Documents
- 5 docs on file
- Reference
- 18/01886/FUL
Unlock 21 Caistor Close, Southampton, SO16 8GX'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- Every decision — granted, refused or withdrawn (1 on record)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 3 notable nearby
- The 5 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Caistor Close valuation sits well clear of the typical sold price in this postcode.
£290,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 5 years.
£192,000
Growth on file: 6.4% per year over 5 years.
Sales timeline
28 June 2016Most recent
£192,000
+37.1%over 5 years19 May 2011
£140,000
Median price across the last 5 sales in SO16 8GX: £267,500 (2024–2021).
Nearby sales in SO16 8GX
Versus other Caistor Close homes
Floor Area for 21 Caistor Close runs comfortably ahead of the street norm.
Price per m²
£1,882
Street avg £2,157
Floor Area
102 m²
Street avg 89 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 3.3 t/year
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The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Kinloss Court — bus stop.
Closest school
0.5 km
Sinclair Primary and Nursery School - Part of the Learning Federation Partnership of Schools. 24 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
51.4dB

Night-time· 23:00 – 07:00
39.4dB







