21 Buttercup Way, Locks Heath, Southampton, SO31 6DG
About 21 Buttercup Way
21 Buttercup Way is a three-bedroom detached house in Locks Heath, Southampton, Southampton (SO31 6DG). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (August 2016) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 83), a 2-band jump. The latest certificate is from August 2016, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
On the market in February 2017 and unlisted since — roughly 9 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 1998–2017, sale prices on this property compounded at 6.8% per year. Today's modelled estimate of £377,000 is 35.6% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£300/sq ft) was about 21.2% above the typical sold price in the postcode. At 86 m² it's 21.8% smaller than the typical home in the postcode (110 m² median across 11 EPCs).
What this property has
Inside
- Bedrooms3
- Dining roomYes
- StudyYes
Outside
- Private gardenSouth-facing
- DrivewayYes
Building
- Extension potentialPossible
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This certificate is over 10 years old and is no longer valid.Expired 16 Aug 2026
EPC Rating
Certificate validity
Expired on 16 August 2026
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Planning history
21 Buttercup Way has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Buttercup Way has more than tripled in price since its earliest registered sale in 1998.
£377,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 19 years.
£278,000
Growth on file: 6.8% per year over 19 years.
Sales timeline
17 February 2017Most recent
£278,000
+50.3%over 12 years30 September 2004
£185,000
+31.2%over 2 years28 March 2002
£141,000
+73.0%over 3 years12 July 1998
£81,500
Median price across the last 5 sales in SO31 6DG: £455,000 (2026–2022).
Nearby sales in SO31 6DG
3 Buttercup Way, Locks Heath, Southampton, SO31 6DG
Sold Jan 2026
£535,0007 Buttercup Way, Locks Heath, Southampton, SO31 6DG
Sold Sept 2025
£380,00019 Buttercup Way, Locks Heath, Southampton, SO31 6DG
Sold Apr 2023
£455,00027 Buttercup Way, Locks Heath, Southampton, SO31 6DG
Sold Mar 2023
£477,00011 Buttercup Way, Locks Heath, Southampton, SO31 6DG
Sold Dec 2022
£448,000
Versus other Buttercup Way homes
21 Buttercup Way is notably below the street on habitable rooms.
Price per m²
£3,233
Street avg £3,836
Floor Area
86 m²
Street avg 113 m²
Habitable Rooms
4 rooms
Street avg 7 rooms
CO₂ Emissions
3.4 t/year
Street avg 4.2 t/year
Similar properties nearby
1 Chancel Road, Locks Heath
SO31 6TF
1 Beverley Close, Park Gate
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1 Chichester Close, Sarisbury Green
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1 Crescent Road, Locks Heath
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1 Buttercup Way, Locks Heath
SO31 6DG
1 Daisy Lane, Locks Heath
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1 Bluebell Close, Locks Heath
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The neighbourhood at a glance
Crime
233/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Heath Road South SCH — bus stop.
Closest school
0.6 km
Brookfield Community School. 10 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
50.9dB

Night-time· 23:00 – 07:00
38.5dB







