18 Greenfields, South Marston, Swindon, SN3 4SQ
About 18 Greenfields
18 Greenfields is a semi-detached house in South Marston, Swindon, Swindon (SN3 4SQ). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (May 2013) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78). The latest certificate is from May 2013, so improvements made since then won't be reflected.
4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved.
Energy performance
18 Greenfields'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This certificate is over 10 years old and is no longer valid.Expired 09 May 2023
EPC Rating
Certificate validity
Expired on 9 May 2023
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Planning history
18 Greenfields has been extended on multiple sides of the property across separate planning applications.
4 applications on record at 18 Greenfields, South Marston, Swindon, SN3 4SQ
- Jul 2018ExtensionOutlineOutcome in report
Extension: Single storey · Rear of property
Prior Approval Notification for the erection of a single storey rear extension measuring 5.0m (from original rear wall), 4.0m (maximum height) and 2.5m (height to eaves).
- Documents
- 10 docs on file
- Reference
- S/PRIORH/18/0908
- More recent applications — locked
- OutbuildingJul 2024Decision
- ExtensionMay 2022Decision
+ 1 more application in the report
Unlock 18 Greenfields, South Marston, Swindon, SN3 4SQ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (4 on record)
- All 4 applications on this property in full, plus 9 notable nearby
- The 36 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
18 Greenfields has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£209,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SN3 4SQ: £164,000 (2025–2010).
Nearby sales in SN3 4SQ
47 Greenfields, South Marston, Swindon, SN3 4SQ
Sold Nov 2025
£245,0008 Greenfields, South Marston, Swindon, SN3 4SQ
Sold Jul 2018
£240,00035 Greenfields, South Marston, Swindon, SN3 4SQ
Sold Sept 2013
£71,50025 Greenfields, South Marston, Swindon, SN3 4SQ
Sold May 2010
£150,00028 Greenfields, South Marston, Swindon, SN3 4SQ
Sold Nov 2007
£80,000
Versus other Greenfields homes
18 Greenfields outperforms the street on co₂ emissions by a wide margin.
EPC Rating
65 (D)
Street avg 58 (D)
Floor Area
83 m²
Street avg 84 m²
CO₂ Emissions
3.4 t/year
Street avg 4.1 t/year
Habitable Rooms
3 rooms
Street avg 5 rooms
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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
318/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Greenfields — bus stop.
Closest school
0.2 km
South Marston Church of England Primary 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
43.6dB

Night-time· 23:00 – 07:00
36.7dB







