11 Gantlettdene, Swindon, SN3 5EL
About 11 Gantlettdene
11 Gantlettdene is a semi-detached house in Swindon (SN3 5EL). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (October 2014) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 87), a 2-band jump. The latest certificate is from October 2014, so improvements made since then won't be reflected.
At 111 m² the property is well over the postcode median (80 m² across 22 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
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This certificate is over 10 years old and is no longer valid.Expired 23 Oct 2024
EPC Rating
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Planning history
11 Gantlettdene has been extended on multiple sides of the property across separate planning applications.
2 applications on record at 11 Gantlettdene, Swindon, SN3 5EL
- Mar 2012ExtensionFullOutcome in report
Extension: Single storey · Front of property
Erection of a single storey front extension.
- Documents
- 4 docs on file
- Reference
- S/12/0248
- More recent applications — locked
- ExtensionJun 2017Decision
Unlock 11 Gantlettdene, Swindon, SN3 5EL'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- Every decision — granted, refused or withdrawn (2 on record)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 1 notable nearby
- The 12 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
11 Gantlettdene has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£319,000
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 5EL: £306,500 (2025–2023).
Versus other Gantlettdene homes
On floor area, 11 Gantlettdene stands well clear of the street.
EPC Rating
66 (D)
Street avg 66 (D)
Floor Area
111 m²
Street avg 81 m²
CO₂ Emissions
4.0 t/year
Street avg 3.3 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Gantlettdene — bus stop.
Closest school
0.5 km
The Dorcan Academy. 21 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
56.2dB

Night-time· 23:00 – 07:00
48.8dB







