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23 Cardean House, Fire Fly Avenue, Swindon, SN2 2GE

4 sales on record
Property type
Mid terrace
Floor 01
Bedroom
1
Bathroom
1
Floor area
47 m²
506 sq ft
Energy rating
C
Score 79
Council tax
Band B
Tenure
Owner Occupied
Overview

About 23 Cardean House

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

23 Cardean House is a one-bedroom mid-terrace house in Swindon (SN2 2GE). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 2007-2011 and council tax band B. At 47 m² this is the 8th 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. On EPC score it ranks first in the building (79 versus a worst of 61). The latest certificate (May 2025) shows a C (score 79), near the top of the C band. The rating has held steady at C across 2 certificates since February 2014. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 85). Main heating runs on electricity.

Last sale on file: £115,000 in February 2021. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2014–2021, sale prices on this property compounded at 0.7% per year.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms1
  • Bathrooms1
  • Open-plan layoutYes
  • Dining roomYes

Outside

  • ParkingUnderground

Building

  • RefurbishedYes
Before you decide

Everything you need to know about 23 Cardean House

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
May 2025

EPC Rating

A
B
C
C79
D
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Poor
Windows
Good
CO2 Emissions
1.6 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

May 2025from Feb 2014
Heating Controls
Prog + StatThermostat

Heating controls changed

Hot Water
ImmersionImmersion (Off-Peak)

Hot water system upgraded

Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

SDL Surveying

Get a survey for this property

Level 3 Building Survey

21st century1st Floor FlatEPC CNo mains gas

Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.

From £820 · Includes VAT

Planning

Planning history

Applications and permits filed against 23 Cardean House, Fire Fly Avenue, Swindon, SN2 2GE, sourced from the PlanIt planning register.

23 Cardean House has no planning applications on record.

5

But the area is active

5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

23 Cardean House saw 4 transfers in just over a decade — high turnover for the postcode.

Current estimate

£124,000

Modelled from EPC, postcode comparables and a sale-price growth of 0.7% per year over 7 years.

See how we calculated this
Last sold (2021)

£115,000

Growth on file: 0.7% per year over 7 years.

Sales timeline

  1. 19 February 2021Most recent

    £115,000

    -6.5%over 2 years
  2. 15 January 2019

    £123,000

  3. 30 November 2016

    £123,000

    +11.8%over 2 years
  4. 29 April 2014

    £110,000

Median price across the last 5 sales in SN2 2GE: £135,000 (2025–2023).

On the street

Versus other Fire Fly Avenue homes

Four headline reads against 29 similar flats on this street, drawn from the latest EPC and Land Registry data.

EPC Rating for 23 Cardean House runs comfortably ahead of the street norm.

Price per m²

£2,447

Street avg £2,439

On par

Floor Area

47 m²

Street avg 56 m²

Below

Habitable Rooms

2 rooms

Street avg 3 rooms

Strongly below

CO₂ Emissions

1.6 t/year

Street avg 1.9 t/year

Strongly above
Before you decide

Everything you need to know about 23 Cardean House

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Swindon district page.

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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around SN2 2GE from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for SN2 2GE

Daytime· 07:00 – 23:00

51.3dB

Low
Night-time road noise heatmap for SN2 2GE

Night-time· 23:00 – 07:00

41.4dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 23 Cardean House, Fire Fly Avenue, Swindon, SN2 2GE. Each answer is also embedded as structured data for search engines.