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 £459,000 is 24.1% 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.
Know exactly what you're buying at 9 Mardale Close
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
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
Planning history
- Apr 2025Loft ConversionFullIn report
Erection of rear dormer window.
- Agent
- Home Plan Design Services
- Documents
- 8 docs on file
- Reference
- S/HOU/25/0263
- Feb 2025Loft ConversionOutlineIn report
Certificate of Lawfulness (Proposed) for rear dormer window with juliette balcony.
- Agent
- Home Plan Design Services
- Documents
- 6 docs on file
- Reference
- S/LDP/25/0056
What's in 9 Mardale Close, Nine Elms, Swindon, SN5 5UT's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Sale price has grown by over 3x since 1996.
£459,000
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
Everything we know about 9 Mardale Close, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

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
1 Askerton Close, Nine Elms
SN5 5XB
1 Caspian Close
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1 Cartwright Drive, Shaw
SN5 5QU
1 Beech Drive
SN5 5DQ
1 Angler Road, Shaw
SN5 5SX
1 Buie Close, Sparcells
SN5 5FX
1 Ash Close
SN5 5DF
1 Alba Close, Middleleaze
SN5 5TL
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/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
The full 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