Flat 3, 109 Bute Street, Cardiff, CF10 5AD
About Flat 3
Flat 3 is a one-bedroom mid-terrace house in Cardiff (CF10 5AD). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1930-1949 and council tax band B. Tenure is freehold. At 51 m² this is the 6th smallest of 12 units on EPC record in the building, where floor areas span 32–54 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (76 versus a worst of 41). The latest certificate (October 2019) shows a C (score 76), near the top of the C band. When first surveyed in August 2009 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Poor. The recommended improvements would push it to B (score 82). Main heating runs on electricity.
3 planning records sit against the property, 3 approved, 0 refused. Past consents include subdivision and change of use to residential, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Today's modelled estimate of £119,000 is 19% above the 2023 sale price. Most recent transfer: June 2023 at £100,000.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Open-plan layoutYes
Outside
- ParkingOff street
Building
- TenureFreehold
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
3 applications on record at Flat 3, 109 Bute Street, Cardiff, CF10 5AD
- Jan 2020SubdivisionFullOutcome in report
EXTERNAL ALTERATIONS AND THE SUBDIVISION OF THE GROUND FLOOR OF THE EXISTING COMMERCIAL PREMISES, TO CREATE A SMALLER COMMERCIAL UNIT, TO FACILITATE THE PROVISION OF 2NO. FLATS (1NO. ONE BED FLAT AND 1NO. STUDIO FLAT)
Change of Use- Documents
- 21 docs on file
- Reference
- 19/01349/MNR
- More recent applications — locked
- Change Of UseSept 2021Decision
- Change Of UseAug 2021Decision
Unlock Flat 3, 109 Bute Street, Cardiff, CF10 5AD's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 5 notable nearby
- The 37 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Flat 3's sale-price growth has lagged the wider UK trajectory across its history on file.
£119,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.4% per year over 17 years.
£100,000
Growth on file: -0.4% per year over 17 years.
Sales timeline
15 June 2023Most recent
£100,000
-7.0%over 17 years7 May 2006
£107,500
Median price across the last 5 sales in CF10 5AD: £113,000 (2025–2021).
Nearby sales in CF10 5AD
111 112, Bute Street, Cardiff, CF10 5AD
Sold Apr 2025
£350,000Flat 10, 109 Bute Street, Cardiff, CF10 5AD
Sold Dec 2022
£115,000Flat 4, 109 Bute Street, Cardiff, CF10 5AD
Sold Oct 2022
£113,000Flat 11, 109 Bute Street, Cardiff, CF10 5AD
Sold Sept 2022
£105,000Flat 8, 109 Bute Street, Cardiff, CF10 5AD
Sold Apr 2021
£85,000
Versus other Bute Street homes
On years held, Flat 3 runs well behind the street norm.
Price per m²
£1,961
Street avg £2,297
Floor Area
51 m²
Street avg 60 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.7 t/year
Street avg 3.0 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Nat West Building — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







