9 Mardale Close, Nine Elms, Swindon, SN5 5UT
About 9 Mardale Close
9 Mardale Close is a four-bedroom detached house in Nine Elms, Swindon, Swindon (SN5 5UT). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (May 2019) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80).
At 148 m² the property is well over the postcode median (110 m² across 6 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 a loft conversion, meaningful when judging how the property has evolved. Across 1996–2019, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £477,000 is 28.9% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£232/sq ft) was about 43.8% above the typical sold price in the postcode. Last sale on file: £370,000 in July 2019.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- EnsuiteYes
- StudyYes
Outside
- Private gardenRear
- GarageYes
Energy performance
9 Mardale Close's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 13 May 2029
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
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Planning history
2 applications on record at 9 Mardale Close, Nine Elms, Swindon, SN5 5UT
- Feb 2025Loft ConversionOutlineOutcome in report
Certificate of Lawfulness (Proposed) for rear dormer window with juliette balcony.
- Documents
- 6 docs on file
- Reference
- S/LDP/25/0056
- More recent applications — locked
- Loft ConversionApr 2025Decision
Unlock 9 Mardale Close, Nine Elms, Swindon, SN5 5UT'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- Every decision — granted, refused or withdrawn (2 on record)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
- The 14 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has grown by over 3x since 1996.
£477,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 23 years.
£370,000
Growth on file: 5.8% per year over 23 years.
Sales timeline
25 July 2019Most recent
£370,000
+48.0%over 15 years6 July 2004
£249,995
+143.9%over 7 years29 September 1996
£102,500
Median price across the last 5 sales in SN5 5UT: £230,000 (2022–2009).
Nearby sales in SN5 5UT
14 Mardale Close, Nine Elms, Swindon, SN5 5UT
Sold Mar 2022
£401,0007 Mardale Close, Nine Elms, Swindon, SN5 5UT
Sold Mar 2017
£310,0001 Mardale Close, Nine Elms, Swindon, SN5 5UT
Sold May 2015
£230,00015 Mardale Close, Nine Elms, Swindon, SN5 5UT
Sold Jun 2011
£207,0003 Mardale Close, Nine Elms, Swindon, SN5 5UT
Sold Aug 2009
£192,000
Versus other Mardale Close homes
On floor area, 9 Mardale Close stands well clear of the street.
Price per m²
£2,500
Street avg £2,335
Floor Area
148 m²
Street avg 106 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
6.3 t/year
Street avg 4.9 t/year
Similar properties nearby
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1 Caspian Close
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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
186/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bishopdale Close — bus stop.
Closest school
0.5 km
Brook Field Primary School. 18 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
47.4dB

Night-time· 23:00 – 07:00
37.6dB







