20 Cardean House, Fire Fly Avenue, Swindon, SN2 2GE
About 20 Cardean House
20 Cardean House is a mid-terrace house in Swindon (SN2 2GE). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 2012 onwards. At 55 m² this is the 12th smallest of 30 units on EPC record in the building, where floor areas span 36–75 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (February 2024) shows a C (score 77), near the top of the C band. When first surveyed in June 2014 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while window efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 83). Main heating runs on electricity.
Across 2014–2024, sale prices on this property compounded at 2.3% per year. Last sale on file: £137,000 in April 2024.
Energy performance
EPC Rating
Certificate validity
Valid until 17 February 2034
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Loft insulation upgraded to recommended levels
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
20 Cardean House has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£142,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.3% per year over 10 years.
£137,000
Growth on file: 2.3% per year over 10 years.
Sales timeline
29 April 2024Most recent
£137,000
+24.5%over 9 years27 July 2014
£110,000
Median price across the last 5 sales in SN2 2GE: £135,000 (2026–2023).
Nearby sales in SN2 2GE
30 Cardean House, Fire Fly Avenue, Swindon, SN2 2GE
Sold Feb 2026
£172,00028 Cardean House, Fire Fly Avenue, Swindon, SN2 2GE
Sold Feb 2025
£167,0003 Cardean House, Fire Fly Avenue, Swindon, SN2 2GE
Sold Sept 2024
£125,0006 Cardean House, Fire Fly Avenue, Swindon, SN2 2GE
Sold Mar 2024
£130,0008 Cardean House, Fire Fly Avenue, Swindon, SN2 2GE
Sold Jun 2023
£135,000
Versus other Fire Fly Avenue homes
20 Cardean House is notably below the street on years held.
Price per m²
£2,491
Street avg £2,448
Floor Area
55 m²
Street avg 56 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 1.8 t/year
Similar properties nearby
1 Artemis House, Fire Fly Avenue
SN2 2FS
1 Akers Way
SN2 2NH
1 Cardean House, Fire Fly Avenue
SN2 2GE
1 Barnum Court
SN2 2AP
1 Burnet Close
SN2 2RT
1 Bude Road
SN2 2DB
1 Apollo House, Fire Fly Avenue
SN2 2FT
1 Chain Testing House, Evening Star Lane
SN2 2FA
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
264/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Emlyn Square — bus stop.
Closest school
0.2 km
UTC Swindon. 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
51.3dB

Night-time· 23:00 – 07:00
41.4dB







