List of tallest buildings and structures in Belfast

• The tallest building in Belfast is the Obel Tower at 88.31-metre (289.7 ft). It is the tallest building in Northern Ireland and the island of Ireland.
• The tallest structure in Belfast is the Black Mountain Tv mast at 228.6 metres (750 ft).
• The tallest free standing structure is the Harland and Wolf shipbuilding gantry crane Samson at 106 metres (348 ft).
• The tallest chimney is the Belfast City Hospital chimney at 95 metres (312ft).
• The tallest church is Belfast (St. Anne's) Cathedral at 80 metres (262ft).
• The tallest clock is the Albert Memorial Clock at 34.4m (113 feet).

These lists rank the 8 tallest structures in Belfast by total height.

Belfast Tallest Structures

Rank	Name	Use	Image	Height (m)	Height (ft)	Floors above ground	Year of completion	Notes
1	Black Mountain transmitting station	TV mast		228.6	750	N/A	1959	[1]
=2	Divis transmitting station	TV mast		166	545	N/A	2011	[2]
4	"Samson"	Shipbuilding Gantry Crane		106	348	N/A	1974	[3]
5	Belfast Ship repair Quay crane	Ship repair Crane		104	341	N/A	unknown	[4]
6	"Goliath"	Shipbuilding Gantry Crane		96	316	N/A	1969	[5]
7	Belfast City Hospital Chimney	Chimney		95	312	N/A	1986	[6]
8	Grand Central Hotel	Hotel		93 (Structure height (with 1 plant floor, top of elevator shaft and radio mast now included))	305 (Structure)	23	1975	[7] [8] [9]
9	Obel	Residential		88.31	289.7	28	2010	[10] [11]
10	St Anne's Cathedral (Church of Ireland)	Church		80	262	N/A	2007	[12]

This list is of 30 tallest buildings in Belfast by architectural height.

Belfast tallest Buildings
Rank	Name	Use	Image	Height (m)	Height (ft)	Floors (above ground)	Year of completion	Notes
1	Obel	Residential		88.31	289.7	28	2010	[10] [11]
=2	Grand Central Hotel	Hotel		80 (Architectural height)	262 (Building)	23	1975	[7] [8] [13]
=2	St Anne's Cathedral (Church of Ireland)	Church		80	262	N/A	2007	[12]
4	Belfast City Hospital Tower	Hospital		76	249	15	1986	[14]
5=	St Patrick's Church (Roman Catholic)	Church		63	207	N/A	1877	[15]
5=	Belfast International Hilton Hotel	Hotel		63	207	16	1998	[16]
5=	Royal Victoria Hospital Critical Care Building	Hospital		63	207	12	2012	[17]
8=	BT Riverside Tower	Office		62	203	14	1998	[18]
8=	The Boat	Office/Residential		62	203	15	2010	[19]
10	Divis Tower	Residential		61	200	20	1966	[20]
11=	Linum Square	Office		55	180	13	2005	[21]
11=	Causeway Tower	Office		55	180	13	2004	[22]
11=	Great Northern Tower	Office		55	180	13	1992	[23]
14	West Twin Silos	Warehouse		54	177	N/A	1963	[24]
15	Belfast City Hall	Government Building		53	174	N/A	1906	[25]
16=	Carlisle Memorial Church (Methodist)	Church		52	171	N/A	1875	[26] [27]
16=	Grainne House	Residential		52	171	17	1968	[28]
18	Europa Hotel	Hotel		51	167	13	1971	[29]
19=	Lanyon Plaza	Office		50	164	12	2014	[30]
19=	St. Peter's Cathedral (Roman Catholic)	Church		50	164	N/A	1866	[31]
21=	Bedford House	Office		49	161	12	1966	[32]
21=	River House	Office		49	161	14	1970	[33]
23	Queen's University Medical Biology Centre (MBC)	University		48	158	12	1969	[34]
24	The Roost Swanston House 41-49 Queen street	Student residential accommodation and cafe.		47	155	14	2016	[35]
25=	14 Great Victoria Street	Office		46	151	11	2003	[36]
25=	Fanum House	Office		46	151	13	1965	[37]
25=	Dundonald house	Office		46	151	12	early 1960s	[38][39]
25=	Ashby Building	University		46	151	11	1965	[40]
29=	Kilbroney House	Residential		45	148	15	1967	[41]
29=	Carnet House	Residential		45	148	15	1966	[42]
29=	Bradbury court	Residential		45	148	15	Early 1960s	[43]

Tallest buildings and structures in Belfast over 45m to have been demolished.

Name	Use	Height (m)	Floors	Image	Notes
Divis Transmitting station (old)	TV Masts	Mast A =140.7 and Mast B=139.5	N/A		Built in 1957 Replaced in 2011 [2]
Power station West 3 Chimneys	Power station Chimneys	80	N/A		Was opened in 1962, and closed in 2002 as move towards green energy began. Chimneys were demolished in 2007. [44]
Churchill House	Office	66 (not including mast)	18		When built in 1966 it was Belfast's tallest building. Was occupied by Northern Ireland civil servants. Demolished in 2004. Now Victoria Square Shopping centre is where it once stood. [45]
Greeves' (Cupar street) mill chimney	Chimney	66	N/A		When built it was the tallest chimney in Ireland and was until at least 1923. It had to be felled for safety reasons as it quickly deteriorated. [46]
Belfast Wheel	Observation wheel	60	N/A		Was opened 2007 and closed 2010, due to blocking listed Belfast City hall and titanic memorial. Talks of moving it to the Titanic quarter led to nothing.

Section covers buildings and structures under construction, had planning permission approved and have been proposed for Belfast. Exact heights state in this section are taken directly from building plans found at [47] and most recent approvals are announced online,[48] where older ones are found in the previous reference.

Under construction

This lists buildings that are currently under construction.

Name	Use	Height (m)	Floors	Notes
City Quay 3	Office	74.45	16	Construction started in 2019 with completion aimed for 2021
Bedford Square	Mixed-use	72.7	17	"The £85m Bedford Square project started late 2018 and is to be completed in 2021"
Ulster University Campus	University	55.6	12	Construction halted briefly from March to June 2018
Vantage office Great Victoria Street	Office	55	12	Addition of 2 floors plus plant roof due to complete in 2021

Belfast's current tallest building the Obel Tower under construction with the tallest tower crane ever erected in the city at 106m tall.

Table of the history of the tallest building in Belfast by Architectural height

Name	Years tallest	Height (m)	Image
St. Peter's Cathedral (Roman Catholic)	1866-1875	50
Carlisle Memorial Church (Methodist)	1875-1877	52
St Patrick's Church (Roman Catholic)	1877-1966	63
Churchill House	1966-1975	66
Windsor House (Grand Central Hotel)	1st 1975-2007 Joint 1st 2007-2010	80
Belfast (St. Anne's) Cathedral (Church of Ireland)	Joint 1st 2007-2010	80
Obel Tower	2010-	88.31

• List of tallest structures in Ireland

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