Duke House, Flat 21, Princes Street, Swindon, SN1 2DF
About Duke House
Duke House is a mid-terrace house in Swindon (SN1 2DF). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 2007 onwards and council tax band B. The latest certificate (November 2019) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since June 2009. Between certificates, wall efficiency went from Good to Very Good and lighting went from Good to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 82). Main heating runs on electricity. At 46 m² this is the 4th smallest of 20 units on EPC record in Duke House, where floor areas span 37–75 m². The building's EPC ratings span D to B across 20 units on file.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
More low energy lighting installed
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
Duke House has no planning applications on record.
But the area is active
15 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Duke House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£134,000
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 SN1 2DF: £61,600 (2023–2015).
Nearby sales in SN1 2DF
Duke House, Flat 14, Princes Street, Swindon, SN1 2DF
Sold Dec 2023
£100,000Duke House, Flat 5, Princes Street, Swindon, SN1 2DF
Sold Apr 2019
£149,500Duke House, Flat 2, Princes Street, Swindon, SN1 2DF
Sold Dec 2018
£61,600Duke House, Flat 12, Princes Street, Swindon, SN1 2DF
Sold Sept 2015
£22,500Duke House, Flat 17, Princes Street, Swindon, SN1 2DF
Sold Jan 2015
£19,375
Versus other Princes Street homes
Floor Area for Duke House lags the street by a wide margin.
EPC Rating
75 (C)
Street avg 75 (C)
Floor Area
46 m²
Street avg 52 m²
CO₂ Emissions
1.8 t/year
Street avg 1.9 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
Duke House, Flat 11, Princes Street
SN1 2DF
Duke House, Flat 14, Princes Street
SN1 2DF
42 44, Flat 1, Manchester Road
SN1 2AG
42 44, Flat 2, Manchester Road
SN1 2AG
42 44, Flat 3, Manchester Road
SN1 2AG
42 44, Flat 4, Manchester Road
SN1 2AG
Duke House, Flat 16, Princes Street
SN1 2DF
99c, Ground Floor Flat, County Road
SN1 2EE
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. 34 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
53.1dB

Night-time· 23:00 – 07:00
40.4dB







