21 The Plaza, Sanford Street, Swindon, SN1 1HE
About 21 The Plaza
21 The Plaza is a two-bedroom mid-terrace house in Swindon (SN1 1HE). It has a recorded floor area of 67 m² (around 721 sq ft) and construction records dating it to 1983-1990. The latest certificate (February 2024) shows a D (score 62), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2014); the latest reading is one band lower. Between certificates, lighting went from Average to Good and main heating went from Poor to Average. The recommended improvements would push it to C (score 80). Main heating runs on electricity. At 67 m² this is the 26th smallest of 54 units on EPC record in the building, where floor areas span 35–136 m². The building's EPC ratings span E to B across 54 units on file.
Last changed hands 8 years ago, in February 2018. 2 planning records sit against the property, 2 approved, 0 refused.
What this property has
Inside
- Bedrooms2
- EnsuiteYes
Outside
- Communal gardenYes
- ParkingYes
Everything you need to know about 21 The Plaza
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
High performance glazing installed
More low energy lighting installed
Heating system upgraded to a more efficient system
Heating controls changed
Hot water system upgraded
Wall insulation upgraded
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
2 applications on record at 21 The Plaza, Sanford Street, Swindon, SN1 1HE
- May 2023RenovationFullOutcome in report
Removal and replacement of external wall system.
- Documents
- 63 docs on file
- Reference
- S/22/1745
- More recent applications — locked
- AmendmentMar 2025Decision
Unlock 21 The Plaza, Sanford Street, Swindon, SN1 1HE'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- Every decision — granted, refused or withdrawn (2 on record)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 14 notable nearby
- The 87 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 The Plaza's sale-price growth has lagged the wider UK trajectory across its history on file.
£145,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.2% per year over 16 years.
£134,000
Growth on file: 0.2% per year over 16 years.
Sales timeline
15 February 2018Most recent
£134,000
-13.5%over 14 years24 July 2003
£155,000
+19.3%over 1 year30 August 2001
£129,950
Median price across the last 5 sales in SN1 1HE: £651,000 (2025–2024).
Nearby sales in SN1 1HE
5 The Plaza, Sanford Street, Swindon, SN1 1HE
Sold Mar 2025
£79,00045 The Plaza, Sanford Street, Swindon, SN1 1HE
Sold Aug 2024
£651,00032 The Plaza, Sanford Street, Swindon, SN1 1HE
Sold Aug 2024
£651,00027 The Plaza, Sanford Street, Swindon, SN1 1HE
Sold Aug 2024
£651,00023 The Plaza, Sanford Street, Swindon, SN1 1HE
Sold Aug 2024
£651,000
Versus other Sanford Street homes
CO₂ Emissions for 21 The Plaza lags the street by a wide margin.
Price per m²
£2,000
Street avg £2,608
Floor Area
67 m²
Street avg 66 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
5.0 t/year
Street avg 2.6 t/year
Everything you need to know about 21 The Plaza
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
7/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Princes Street — bus stop.
Closest school
0.4 km
Holy Rood Catholic Primary School. 33 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
52.1dB

Night-time· 23:00 – 07:00
39.3dB






