This is a list of the tallest buildings in Cardiff that are in height and above in the capital of Wales. They include buildings ranging from the ornate civic centre to the historic Cardiff Castle and Llandaff Cathedral.
The city's growth is reflected in its growing skyline. As is the case with many British cities, some of Cardiff's skyline comprises 1960s and 1970s residential and commercial tower blocks. However, current development trends for high-rise buildings include upmarket apartments and office space.
Cardiff is the largest city in Wales and has the most tall buildings in the country. Designed by Rio Architects, the tallest building in Cardiff is Bridge Street Exchange at . It replaced Capital Tower in 2018, which, at , which had been the tallest building in Cardiff since 1970.
Cardiff Council considers a tall building within the city centre and Cardiff Bay to be 8 storeys or more or from in height. Any proposals to the council for a tall building should "Generally be located within an existing cluster or form part of a proposal to create a new cluster (a cluster can be defined as a group of buildings which form a visual cohesion from more than one viewing point)".
Completed buildings and structures This lists completed and topped out buildings and structures in Cardiff that are at least 45 metres. This includes spires and architectural details but does not include antenna masts. {| class="wikitable sortable" style="text-align:Center" |- ! Rank ! Name ! Image ! Height (m) !Height (ft) ! Floors ! Year Completed/Topped Out ! Primary Use !Location !Coordinates ! Notes |- |1 |1-6 Guildford Crescent | |96 |314 |30 |2025 |Residential |City Centre | |Started construction in 2021, topped out in 2025. |- |2 |Plot 1 | |90.5 |296 |29 |2025 |Mixed use / Residential |Central Quay | |Started construction in 2022, topped out in 2025. |- |3 |Principality Stadium | |90 (masts) |295 (masts) | |1999 |Stadium |Stadium Plaza
|4 |Bridge Street Exchange | |85 | |26 |2018 |Student residential and retail units |City Centre
|5 |Gramercy Tower, 6 Curran Road | |84 |275 |27 |2025 |Residential |City Centre | |Started construction in 2020, topped out in 2024. |- | 6 | Wood Street House | | 83.5 |274 | 22 | 2023 | Residential and public transport interchange |Central Square
|7 | Capital Tower | | 80 |262 | 25 | 1967 | Office and retail units |City Centre | |From 1967 until 2018, the tallest building in Cardiff to the top of the roof. |- |8 |Stadium House | |78 (excluding spire) 125 (including spire) |256 (excluding spire) 410 (including spire) |17 |1976(Renovated 2002) |Office |Stadium Plaza | |With the communications mast, the structure (added in 2002) is the highest point in Cardiff. The stainless steel mast measures . The lower levels of the building houses the Cardiff Empire Telephone Exchange. |- |9 |Plot 2 | |76 |249 |24 |2025 |Mixed use / Residential |Central Quay | |Started construction in 2022, topped out in 2025. |- | rowspan="2" |10 |Zenith | |75 |246 |26 |2019 |Student residential |Capital Quarter
|The Copper Works (Y Gwaith Copr) | | 75 |246 | 23 | 2023 | Residential |Capital Quarter
| 11 |Altolusso | | 72 |236 | 23 | 2005 | Residential |City Centre
| rowspan="2" |12 |Tŷ Pont Haearn | | 63 |207 | 21 | 2005 | Student residential and lower multi-storey car park |City Centre
| Meridian Gate | | 63 |207 | 21 | 2009 | Hotel |City Centre
| rowspan="2" |13 |Tŷ Admiral | | 61 |203 | 14 | 2015 | Office and retail units |City Centre | |Not to be confused with Admiral House.Designed by Glenn Howells Architects at a cost of £58 million. |- | Premier Inn (Stadium) Hotel | | 61 |200 | 18 | 2023 | Hotel / restaurants |City Centre
|14 |Holland House | |60.3 | |15 |1968(Renovated 2004) |Hotel (former office) |Newport Road
|15 |Llandaff Cathedral | |59.40 |195 | |1290 |Religion |Llandaff | |Until 1967, the tallest building in Cardiff to the top of the spire. |- |16 |City Hall Clock Tower | |59 |194 | |1905 |Civic building |Cathays Park
| rowspan="3" |17 |William Morgan House | |58 (approx) |190 |12 |2020 |Office |Central Square | |UK Government Regional Hub and offices of HMRC. Named after the bible translator William Morgan (1545–1604). |- |Helmont House | |58 |190 |12 |1984 |Office / Hotel |Canal Quarter
|Brunel House | |58 |190 |16 |1974 |Office and retail units |Newport Road | |Originally called Great Western House, headquarters for the Western Region of British Rail. |- |18 |Pendeen House | |56 |184 |19 |2014 |Residential |Ferry Court, Cardiff Bay
|19 |Vita Student, 11 Park Place | |55.2 |181 |18 |2022 |Student residential |Park Place
|20 |Admiral House | |55 |180 |16 |2006 (Renovated) |Residential |Newport Road | |Not to be confused with Tŷ Admiral |- |21 |Anchor Works | |52 |170 |15 |2024 |Residential |Dumballs Road | |Started construction in 2021, topped out in 2024. |- | 22 | Landmark Place | | 51 |167 | 17 | 2004 | Residential and retail units |Canal Quarter
|23 |Verse, 47-53 Charles Street | | 50.5 |165 | 16 | 2023 | Residential |City Centre
|24 |Cardiff University Tower Building | |50 |164 |12 | |University |Cathays Park
| rowspan="2" |25 |Vega House, Celestia
|158 | |2007 |Residential |Cardiff Bay
|Southgate House | |48 |157 |13 |1978 |Office / Retail |Central Square
| rowspan="2" |29 |Loudoun House | |47 |154 |16 |1964 |Residential |Butetown
|Nelson House | |47 |154 |16 |1964 |Residential |Butetown
| rowspan="4" |30 |ISIS 3D | |46 |151 |15 |2007 |Residential |Century Wharf
|Eastgate House | |46 |151 |14 |1969 |Office |Newport Road
|McKenzie House | |46 |151 |12 | |University |Newport Road | |Previously known as NPI House |- |St Andrews United Reformed Church | |46 |150 | |1900 |Church |Roath
|31 |Brains Brewery Chimney | |45.7 |150 | |1938 |Chimney |Central Quay
| rowspan="3" |32 |The Aspect | |45 |148 |15 | |Residential and retail units |City Centre | |Converted office block (Fanum House) with 2 additional storeys added in 2002. |- |Strata | |45 |148 |15 |2009 |Residential |Century Wharf
|The Neighbourhood | |45 |148 |11 | |Residential and retail units |Newport Road | |Former City Road campus of Coleg Glan Hafren, converted in 2016 into a student accommodation and a coffee shop. |- | 33 |[Cardiff Marriott Hotel|Marriott Hotel | | 43 | 141 | 12 | 1986 | Hotel and restaurant | Mill Lane https://www.marriott.com/en-gb/hotels/cwldt-cardiff-marriott-hotel/overview/?msockid=25d7f6acf788687d0842e0cbf6af6917
| align="center" |34 | Channel View Flats | | 42 | 138 | 14 | 1965 | Residential | Grangetown
| rowspan="2" |35 |Cardiff Castle Clock Tower | |40 |131 | |1873 |Monument |Castle Quarter
|St John the Baptist Church | |40 |131 | |circa 1490 |Church |The Hayes
Buildings under construction or approved
Height figures are rounded to the nearest metre.
Under construction This lists buildings that are under construction in Cardiff and are planned to rise at least 40 metres. Under construction buildings that have already been topped out are listed above. Rank Name Image Height (m) Floors Year Construction Began Primary UseLocationCoordinates Notes1Cardiff Sixth Form Boarding Hub18Approved 2023, under construction 2024Student accommodation Approved This lists buildings that have been approved for, but are yet to start, construction in Cardiff (over 40 m). {| class="wikitable sortable" style="text-align:Center" |+ !Rank !Name !Image !Height (m) !Height (ft) !Floors !Year Approved !Primary use !Location !Coordinates !Notes |- |1 |5 Central Square | |178 |584 | 49 |2026 |Residential |Central Square | |Image shows the approximate plot of land (showing 2 Central Square under construction) |- |2 |Y 400 | |102 |339 |33 |2026 |Residential |City Centre | |Image taken from the site of Y 400 (showing the John Lewis store on the right, and the Golden Cross pub on the left) |- |3 |Harlech Court
|35 | |Residential |Bute Terrace | |Image shows the former Harlech Court being demolished on the site |- |4 |John Street Tower (John Street - North) | |99 |324 | |2018 |Mixed use
|4 |Hallinans House | |99 |324 |32 |2017 |Mixed use |Newport Road | |Image shows current building |- |5 |Friary House
|Up to 28 |2024 |Mixed use |City Centre | |Image shows current building |- |6 |The Embankment
|25
|Residential |Dumballs Road | |Image shows current building |- |7 |Longcross Court
|18 | |2024 |Student accommodation |Newport Road | |Image shows current building
Demolished Rank Name Image Height (m)Height (ft) Floors Year ConstructedYear Demolished Primary UseLocationCoordinates Notes1Phase 2, Government Buildings, Tŷ Glas732391819692024HMRC officesLlanishen2Gleider House, Phase 1 Government Buildings, Tŷ Glas44.501461119682024HMRC and Tenovus officesLlanishen
See also Cardiff city centre Architecture of Cardiff
Notes
References
External links SkyscraperNews: Cardiff Cardiff Developments