Flat 5, 109 Bute Street, Cardiff, CF10 5AD
About Flat 5
Flat 5 is a one-bedroom mid-terrace house in Cardiff (CF10 5AD). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1900-1929 and council tax band B. At 36 m² this is the 2nd 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 across 12 units on file. The latest certificate (March 2019) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78). Main heating runs on electricity.
At 36 m² it sits well below the postcode median (53 m² across 20 EPCs), making it one of the more compact homes locally. 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. Across 2006–2018, sale prices on this property compounded at -1% per year. Today's modelled estimate of £116,000 is 24.1% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£241/sq ft) was about 23.2% above the typical sold price in the postcode. Sold August 2018 for £93,500.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Energy performance
EPC Rating
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Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
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Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
3 applications on record at Flat 5, 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 5, 109 Bute Street, Cardiff, CF10 5AD's full planning history
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- Every decision — granted, refused or withdrawn (3 on record)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 5's sale-price growth has lagged the wider UK trajectory across its history on file.
£116,000
Modelled from EPC, postcode comparables and a sale-price growth of -1.0% per year over 12 years.
£93,500
Growth on file: -1.0% per year over 12 years.
Sales timeline
1 August 2018Most recent
£93,500
-11.0%over 12 years28 June 2006
£105,000
Median price across the last 5 sales in CF10 5AD: £113,000 (2025–2022).
Nearby sales in CF10 5AD
111 112, Bute Street, Cardiff, CF10 5AD
Sold Apr 2025
£350,000Flat 3, 109 Bute Street, Cardiff, CF10 5AD
Sold Jun 2023
£100,000Flat 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
£105,000
Versus other Bute Street homes
Flat 5 is notably below the street on floor area.
Price per m²
£2,597
Street avg £2,244
Floor Area
36 m²
Street avg 60 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
2.1 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.







