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Downtown Commercial Core · Calgary office building record

Britannia Building

Office · mid-rise office building · built 1958 · 703 6 Ave SW

LiDAR roof height39.7 m

Storey-equivalent (derived)10

Footprint1,659 m²

Parcel1,817 m²

Year built (roll)1958

Assessed 2026$6.0M

Structures on parcel2

Nearest CTrain80 m

Civic address: 703 6 Ave SW, Calgary, AB
Community: Downtown Commercial Core (DNC)
City sub-property use: C101 Office · all Office sites
Land use district: CR20-C20/R20 — Commercial - Residential Core (Commercial - Core)
Height rank: #120 of 580 citywide · #84 of 111 in Downtown Commercial Core
Site coverage: 91% of parcel under LiDAR footprints
Parcel pieces: 1 titled piece · roll 067055103
Coordinates: 51.047561, -114.076742

Massing and site plan

Left: isometric massing of every LiDAR structure on the parcel, at true scale, viewed from the south-west with 3.9 m storey lines. Right: plan of the parcel with surrounding footprints, Plus 15 walkways and nearby stations. Open this building in the 3D city →

39.7 m · 1,596 m² · 3.3 m · 63 m²

Context within 150 m. Grey footprints darken with height; lime is the Plus 15 network.

How it compares

Roof height against the Downtown Commercial Core median and tallest, and against the city.

Access

Public-geometry tests only; confirm routes, entrances and hours with the building.

CTrain

Nearest station: 7th Street SW, 80 m straight-line (route 201/202). Planned Green Line station 7 Avenue SW is 622 m away (Downtown Segment, per the City’s Green Line map).

Other office buildings near 7th Street SW Station →

Plus 15

The nearest Plus 15 segment is 26 m from the parcel boundary; the parcel itself is not touched by the network geometry.

Heritage inventory

The City of Calgary Inventory of Evaluated Historic Resources records the following on this parcel.

Britannia Building

Construction year: 1958
Architect: J.H. Cook and Associates
Builder: Commonwealth Construction
Style: Modern
Typology: Office
Development era: 1957 to 1982 (Modern)
Designation: Inventory listing only

HERITAGE CHARACTER STATEMENT

The building is designed in the Modern style and features; strongly expressed structural grid with curtain wall glazing system, and, an executive penthouse level. The interior lobby configuration and marble finishes remain intact. It is located on a prominent corner and is compatible with the dominant character of the immediate area.

SUMMARY HISTORY

In the wake of the Leduc oil discovery in 1947, Calgary emerged as the administrative centre of Alberta's oil industry. The Barron Building, completed in 1951, was the first office tower in what emerged as a new oil patch district in the west end of Calgary's downtown in the 1950's and 1960's. The Britannia building was constructed in 1958 on what was originally a residential block first built up between 1908 and 1913. The building permit was issued on February 12, 1958. The original owner was Metropolitan E

Source: The City of Calgary Inventory of Evaluated Historic Resources, entry 221.

Assessment history

Assessed values are The City of Calgary’s taxation figures by roll year, not sale prices or rents; Alberta does not publish transaction prices.

Roll 067055103 · Office

Series not charted. The City’s published values for this roll number change by more than half or double between years, which usually signals a re-numbered, split or partially assessed account rather than a market movement. The published figures are listed below without a trend claim.

Published values by roll year

Roll year	Assessed value	Change
2005	$9.4M	—
2006	$12.6M	33.9%
2007	$23.0M	81.6%
2008	$41.5M	80.7%
2009	$42.7M	2.8%
2010	$38.1M	-10.7%
2011	$16.4M	-57.1%
2012	$16.6M	1.3%
2013	$36.1M	118.0%
2014	$43.2M	19.5%
2015	$41.0M	-5.1%
2016	$33.6M	-17.9%
2017	$20.7M	-38.5%
2018	$9.7M	-53.3%
2019	$11.2M	15.3%
2020	$8.4M	-24.8%
2021	$6.2M	-26.2%
2022	$5.4M	-12.6%
2023	$5.1M	-5.4%
2024	$5.6M	9.6%
2025	$5.5M	-2.0%
2026	$6.0M	8.4%

Development and building permits

Applications the City has located on this parcel since 2012, from the Development Permits and Building Permits datasets.

Recent development permits 3 since 2012

Applied	Permit	Category · description	Status
2019-11-04	DP2019-5682	Signs - Permitted Use with Relaxation NEW: SIGN - CLASS B (FASCIA SIGNS - 5) - LOCATION	Released Approval
2017-12-27	DP2017-5857	Change of Use - Discretionary Use or Relaxations Required CHANGE OF USE: INSTRUCTIONAL FACILITY (150 STUDENTS)	Released Approval
2016-09-23	DP2016-3911	Change of Use - Discretionary Use or Relaxations Required CHANGE OF USE: DRINKING ESTABLISHMENT - MEDIUM	Released Approval

Recent building permits 20 since 2012 · 13 in the City’s office class

Applied	Permit	Class · work	Est. cost	Status
2024-07-05	BP2024-13563	4002 - Vacant · Improvement Britannia Building Conversion	$586,226	Issued Permit
2023-01-20	BP2023-00723	2306 - Parking Garage · Improvement Asbestos Abatement, Replacement of fire proofing	$10,000	Issued Permit
2018-06-13	BP2018-07517	3402 - Office · Improvement Interior alterations	$100,000	Completed
2017-08-03	BP2017-10088	3610 - Drinking Establishment · Improvement Sole Karaoke Bar - #120 Britannia Building	$300,000	Completed
2016-10-07	BP2016-12068	3402 - Office · Improvement fire alarm bell / horn/strobe upgrades	$300,000	Completed
2016-07-26	BP2016-08629	4002 - Vacant · Improvement Britannia FEO/Elevator Modernization	$60,000	Completed
2015-06-12	BP2015-07027	4002 - Vacant · Improvement Interior demolition only	$4,900	Completed
2014-08-07	BP2014-12332	3402 - Office · Improvement Interior alteration	$193,500	Completed

Declared estimated project cost across all 20 non-residential building permits on the parcel since 2012: $3.3M. Permit descriptions are the City’s records at retrieval; applicant and contractor names are not reproduced.

Nearby office buildings

The six nearest office building sites in the record, by straight-line distance between parcel centroids.

200 731 6 Ave SW63.1 m · built 1962 · Office Condo · 4 accounts · Downtown Commercial Core · 60 m
700 6 Ave SW85.9 m · built 1968 · Office · Downtown Commercial Core · 60 m
635 6 Ave SW86 m · built 1964 · Office · Downtown Commercial Core · 77 m
1100 634 6 Ave SWheight n/a · built 2013 · Office Condo · 18 accounts · Downtown Commercial Core · 92 m
734 7 Ave SW73.7 m · built 1982 · Office · Downtown Commercial Core · 107 m
Elveden Centre727 7 Ave SW81.3 m · built 1961 · Office · Downtown Commercial Core · 107 m

Britannia Building questions

Answers drawn from the record.

How tall is Britannia Building?

The main structure on the parcel has a LiDAR roof height of 39.7 m in The City of Calgary’s 3D building data, a storey-equivalent of about 10 at 3.9 m per storey.

When was Britannia Building built?

The City’s assessment roll records 1958 as the year of construction. The heritage inventory records 1958.

Which CTrain station is closest to Britannia Building?

7th Street SW Station, 80 m in a straight line from the parcel centroid.

Is office space available at Britannia Building?

This profile is built from public records and does not track availability, rents or tenancy. Submit a private requirement and current options in the building or nearby will be confirmed through Commercially.

Open in 3D Downtown Commercial Core office buildings Calgary office space guide Downtown map Skyline Office lease cost guide Office tour checklist

Public record sources: Current Year Property Assessments (Parcel), Historical Property Assessments (Parcel), Assessment Subproperty Use Codes, 3D Buildings - Citywide (LiDAR roof outlines), Land Use Districts, Transit LRT Stations, Green Line Stations, Plus 15, Historic Resource (Inventory of Evaluated Historic Resources), Development Permits, Building Permits, Calgary Existing Buildings - Performance Metrics (BenchmarkYYC) — The City of Calgary, retrieved 2026-09-21. Contains information licensed under the Open Government Licence – City of Calgary. Building names, floor counts and architects, where shown, come from Wikidata (CC0). No brokerage, listing-data or commercial research source is used.

Boundary: Assessed values are the City’s assessment-roll figures for taxation and are not sale prices, asking rents, vacancy or availability; Alberta does not publish transaction prices. LiDAR heights are roof-surface elevations above the lowest ground point at the building perimeter and can differ from architectural heights. Storey equivalents are derived at 3.9 m per storey and are not floor counts. Distances are straight-line. Permit descriptions are the City’s records at retrieval and do not establish current use, tenancy or availability. Read the methodology.

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