123 Castleton Road, Middleleaze, Swindon, SN5 5GE
About 123 Castleton Road
123 Castleton Road is a three-bedroom mid-terrace house in Middleleaze, Swindon, Swindon (SN5 5GE). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (July 2021) shows a C (score 73). When first surveyed in March 2009 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average, window efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 85).
At 102 m² the property is well over the postcode median (66 m² across 41 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2006. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Across 2001–2021, sale prices on this property compounded at 9% per year. Today's modelled estimate of £263,000 is 11.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£214/sq ft) was about 34.6% above the typical sold price in the postcode. Most recent transfer: August 2021 at £235,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Energy performance
EPC Rating
Certificate validity
Valid until 13 July 2031
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Roof insulation improved
More low energy lighting installed
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Planning history
123 Castleton Road has an approved extension on the planning record.
1 application on record at 123 Castleton Road, Middleleaze, Swindon, SN5 5GE
- Oct 2006ConservatoryFullOutcome in report
Erection of a conservatory (retrospective).
RetrospectiveExtension- Documents
- 9 docs on file
- Reference
- S/06/2140
Unlock 123 Castleton Road, Middleleaze, Swindon, SN5 5GE's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full
- The 9 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
123 Castleton Road has more than quadrupled in price since its earliest registered sale in 2001.
£263,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.0% per year over 20 years.
£235,000
Growth on file: 9.0% per year over 20 years.
Sales timeline
30 August 2021Most recent
£235,000
+86.5%over 14 years25 October 2006
£126,000
+198.2%over 5 years9 September 2001
£42,250
Median price across the last 5 sales in SN5 5GE: £220,000 (2026–2023).
Nearby sales in SN5 5GE
29 Castleton Road, Middleleaze, Swindon, SN5 5GE
Sold Jun 2026
£180,0001 Castleton Road, Middleleaze, Swindon, SN5 5GE
Sold Mar 2026
£250,00033 Castleton Road, Middleleaze, Swindon, SN5 5GE
Sold Apr 2025
£220,000125 Castleton Road, Middleleaze, Swindon, SN5 5GE
Sold Nov 2024
£220,00079 Castleton Road, Middleleaze, Swindon, SN5 5GE
Sold Feb 2023
£250,500
Versus other Castleton Road homes
123 Castleton Road outperforms the street on floor area by a wide margin.
Price per m²
£2,304
Street avg £2,429
Floor Area
102 m²
Street avg 69 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
3.1 t/year
Street avg 2.5 t/year
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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
0.2 km
Camton Road — bus stop.
Closest school
0.4 km
Brook Field Primary School. 17 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
48.7dB

Night-time· 23:00 – 07:00
37.1dB







