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
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
£150,000
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: £133,000 (2025–2022).
Nearby sales in SN2 2GE
28 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
£135,0004 Cardean House, Fire Fly Avenue, Swindon, SN2 2GE
Sold Dec 2022
£133,000
Versus other Fire Fly Avenue homes
20 Cardean House is notably below the street on years held.
Price per m²
£2,491
Street avg £2,438
Floor Area
55 m²
Street avg 56 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 1.9 t/year
Similar properties nearby
1 Barnum Court
SN2 2AP
1 Artemis House, Fire Fly Avenue
SN2 2FS
1 Burnet Close
SN2 2RT
1 Cardean House, Fire Fly Avenue
SN2 2GE
1 Akers Way
SN2 2NH
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
8/mo
Steady 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







