17 Cowslip Close, Locks Heath, Southampton, SO31 6XL
About 17 Cowslip Close
17 Cowslip Close is a four-bedroom detached house in Locks Heath, Southampton, Southampton (SO31 6XL). It has a recorded floor area of 146 m² (around 1575 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (June 2009) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 70). The latest certificate is from June 2009, so improvements made since then won't be reflected.
It hasn't traded since March 2002, a hold of 24 years that's notably long for the area. Across 1996–2002, sale prices on this property compounded at 12% per year. Today's modelled estimate of £484,000 sits 161.6% above the 2002 sale of £185,000. On a £-per-square-foot basis, the last sale (£117/sq ft) was about 42.4% below the postcode norm. At 146 m² it's 27.2% larger than the typical home in the postcode (115 m² median across 9 EPCs). 2 planning records sit against the property, 0 approved, 0 refused.
What this property has
Inside
- Bedrooms4
Energy performance
17 Cowslip Close's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 25 Jun 2019
EPC Rating
Certificate validity
Expired on 25 June 2019
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Planning history
17 Cowslip Close has 2 separate extension applications on the council record.
2 applications on record at 17 Cowslip Close, Locks Heath, Southampton, SO31 6XL
- Jan 2003ExtensionFullOutcome in report
Extension: Rear of property
Erection Of Two Storey And Single Storey Rear Extension
- Documents
- 1 doc on file
- Reference
- P/02/1662/FP
- More recent applications — locked
- ExtensionApr 2003Decision
Unlock 17 Cowslip Close, Locks Heath, Southampton, SO31 6XL's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 5 notable nearby
- The 6 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
17 Cowslip Close's modelled value sits at over four times its earliest registered sale price (1996).
£484,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.0% per year over 6 years.
£185,000
Growth on file: 12.0% per year over 6 years.
Sales timeline
18 March 2002Most recent
£185,000
+32.2%over 2 years3 December 1999
£139,950
+45.8%over 3 years6 June 1996
£96,000
Median price across the last 5 sales in SO31 6XL: £405,000 (2025–2015).
Nearby sales in SO31 6XL
5 Cowslip Close, Locks Heath, Southampton, SO31 6XL
Sold Mar 2025
£405,0002 Cowslip Close, Locks Heath, Southampton, SO31 6XL
Sold Dec 2021
£440,00015 Cowslip Close, Locks Heath, Southampton, SO31 6XL
Sold Aug 2021
£520,00019 Cowslip Close, Locks Heath, Southampton, SO31 6XL
Sold Dec 2015
£307,0009 Cowslip Close, Locks Heath, Southampton, SO31 6XL
Sold Nov 2014
£283,000
Versus other Cowslip Close homes
17 Cowslip Close is notably below the street on price per m².
Price per m²
£1,265
Street avg £2,819
Floor Area
146 m²
Street avg 115 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
5.1 t/year
Street avg 4.0 t/year
Similar properties nearby
1 Conference Drive, Locks Heath
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1 Daisy Lane, Locks Heath
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1 Cowslip Close, Locks Heath
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1 Buttercup Way, Locks Heath
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1 Crescent Road, Locks Heath
SO31 6PE
1 Cardinal Way, Locks Heath
SO31 6RT
1 Coombedale, Locks Heath
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1 Chichester Close, Sarisbury Green
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
233/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Saxon Close — bus stop.
Closest school
0.9 km
Locks Heath Junior School. 9 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
49.7dB

Night-time· 23:00 – 07:00
37.8dB







