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Old Posted Nov 22, 2022, 11:30 PM
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110 O'Connor St | 82m | 26f | Demolition/Proposal

Quote:
A change of space: More developers eye office-to-residential conversions as demand for housing grows

David Sali, OBJ
November 22, 2022 4:20 PM ET





Editor's Note: This is the first in a series of articles exploring the issue of converting office towers into residential spaces.


At first glance, the 14-storey highrise just a stone’s throw from Parliament Hill doesn’t look like anything special.

Opened in the early 1970s, the now-vacant office building at 110 O’Connor St., on the corner of Slater Street, resembles dozens of other greyish-brown office towers in the downtown core that were built to accommodate the burgeoning public service decades ago.

But according to some veteran real estate experts, the former Department of National Defence building could be the shape of things to come for downtown towers that have outlived their usefulness as offices.

Shape, as in rectangular. The 202,000-square-foot building is long and narrow, making it an ideal potential candidate to be converted into residential space, according to the Montreal-based company that bought it late last year from Cominar REIT for $40 million.

“It’s an appealing option,” explains John Esposito, Groupe Mach’s director of leasing for Ottawa. “But no decision has been made yet. Whatever strategy we adopt, we want to ensure that it does fit in the community and it does contribute positively to the neighbourhood.”

DND pulled up stakes at 110 O’Connor and other downtown sites two years ago when it moved into its new west-end campus in the former Nortel complex on Carling Avenue. A building that once teemed with hundreds of workers on a daily basis is now gathering dust, with only a couple of retail tenants remaining on the ground floor.

But it’s also just one of many significant chunks of aging office space in the city’s core that could gain a new lease on life as multi-residential projects, some longtime real estate executives say.

“If a building gets to the end of its useful economic life, not doing something is not an option,” says Michael Church, managing director of Avison Young’s Ottawa office. “It’ll deteriorate, and then nothing is possible.”

The idea of turning offices that are past their best-before dates into apartments or condominiums is hardly novel.

A number of examples already exist in the capital’s downtown core. They include Théo, another repurposed former DND building at the corner of Rideau Street and King Edward Avenue that’s now home to a privately owned residence for University of Ottawa students, and The Slayte, a new luxury apartment complex built by CLV Group and InterRent REIT at a converted 50-year-old government office tower at 473 Albert St.

But real estate observers say a number of factors could ramp up the office-to-residential conversion trend in the next few years.

With more and more employers rethinking their need for downtown office space as the hybrid work model becomes a way of life, class-B and C buildings that were already hard to fill before the pandemic have become even less attractive to tenants, they note.

According to Colliers International, the city’s vacancy rate in those asset classes was nearly 19 per cent at the end of September, up from 13.1 per cent for class-B buildings and 15.1 per cent for class-C buildings a year earlier.

“The owners of those asset classes, they really need to rethink their asset strategy,” says Scott Pickles, a Toronto-based principal and senior vice-president at Avison Young. “Do they stay or do they innovate? Conversion is just one option to innovate, but really it’s a great opportunity – even though it might not feel that way – to rethink what they should do with their assets.

“If they (have) older, smaller footprints, if they have some unique characteristics and amenity spaces, a conversion would give them that uniqueness that will help position them well in the marketplace.”

Pickles’ Ottawa-based colleague, Church, notes that newly elected mayor Mark Sutcliffe made housing a key plank in his campaign platform. Sutcliffe pledged that 100,000 new homes would be built in the capital over the next decade, and Church says repurposing outdated offices as rentals or condos could help the city hit that target.

Church says the federal government’s plan to sell up to 20 per cent of its office portfolio in the National Capital Region – as much as seven million square feet, or seven buildings the size of the L’Esplanade Laurier complex – could provide opportunities for ambitious developers to gut some of that space and turn it into housing.

“It’s about the opportunity on any given day,” he says. “Given the political climate locally, I think (conversions are) going to come into greater focus. In short, I think there’s some momentum that way.”

Still, transforming a decaying office tower into a place where people actually want to live is often easier said than done, experts caution.

“There are a whole host of issues,” says veteran Ottawa real estate executive Shawn Hamilton, who now serves as Montreal-based Canderel’s senior vice-president of business development in the National Capital Region.

“The idea of conversion is often a sound bite that sounds better than the idea of building new. And people will often say, ‘Look, it must be cheaper and quicker to convert an old office facility into residential than it would be to build new.’ In some cases, that is correct. But the reality is, the conversion of a building is a much more complicated process than people give it credit for.”

Hamilton points out, for example, that a building has to be the right size and shape to accommodate apartment units that don’t end up looking like “bowling alleys” – that is, suites that are long and skinny in order to have a window while still conforming to the typical apartment size of around 750 square feet that makes rental projects economically viable.

“You need efficiency to have things make economic sense,” he explains. “A larger floorplate, although not impossible to subdivide, may not lend itself well to it. You also need to be able to offer a product that meets the demand that’s being asked for.”

Hamilton cites 473 Albert St. as an example of a property that lent itself to such a conversion due to its configuration. “Because it was a narrow rectangle, it subdivided well.”

Then there are the costs and headaches associated with upgrading and expanding the plumbing, heating and air conditioning systems in office buildings, which aren’t designed to handle the number of bathrooms, kitchens and other such facilities required in a residential space with dozens or hundreds of units.

That often means stripping a building down to its skeleton and reconstructing it from scratch – all the while working around typical structural elements like post-tension cables within the floor slabs.

“You never really know what’s behind the walls until you open up the walls,” says Pickles. “In some ways, the stars need to align to make sure all those systems will work for the new purpose.”

Even if a building is the right shape and a developer is willing to shell out the necessary cash to refurbish it for residential use, it might still be in the wrong place.

Towers that are crammed in between other highrises might saddle residents with what Hamilton calls a “quintessential Manhattan view” – a brick wall right outside their windows – while offering no room for balconies or backyards.

Today’s tenants, he says, are demanding more from their domestic spaces.

“In a world of hybrid work, I think the comfort of home will take on an even greater meaning than it might have in the past, given you’re going to be spending more time at home than you might have traditionally done,” Hamilton says.

Yet despite all the potential pitfalls, one of the city’s largest property managers says it is actively “exploring opportunities” to acquire office space and repurpose it into residential units.

“Does it work for every building? Absolutely not,” says Regional Group chief executive Sender Gordon. “Developers have to be thinking down this line. However, in order for it to really be a reality, it takes partnerships. These are very costly projects.”

Church suspects Regional Group won’t be the only local developer looking to jump on the conversion bandwagon.

While acknowledging that such undertakings are “not something that’s done lightly,” he says turning empty offices into a steady flow of monthly rental income is an enticing proposition that will prove hard to resist if the conditions are right.

“There is lots of opportunity out there, if people know what rock to look under,” Church adds.

https://obj.ca/a-change-of-space-mor...housing-grows/
Note - looks like OBJ is subscription only now, so I don't have access to the full article.

Last edited by rocketphish; Sep 7, 2023 at 12:47 AM. Reason: Added full article
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  #2  
Old Posted Nov 22, 2022, 11:37 PM
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Quote:
Mach to reposition vacant downtown Ottawa office tower


https://renx.ca/groupe-mach-repositi...r-office-tower

Don Wilcox, March 29, 2022
Managing Editor, RENX


A vacant downtown Ottawa office building just minutes from Parliament Hill is a prime candidate for repositioning, according to its new owners Groupe Mach.

Mach acquired 110 O’Connor St., a 202,000-square-foot tower in the heart of the city’s business district, as part of a portfolio from the former Cominar REIT. It paid $40 million for the building, which has been vacant since its former tenant, the Department of National Defence, departed in 2020 for a campus in the city’s west end.

DND has been consolidating many of its former properties across the National Capital Region at a newly renovated suburban campus based around 3500 Carling Ave.

“It’s the ex-head office of the minister of defence, so it’s a completely empty building,” Groupe Mach president Vincent Chiara told RENX. “It’s a great site, core of downtown, walking distance from the Parliament.”

Mach considers two repositioning options

The Montreal-based firm, which closed just a few weeks ago on a $1.5-billion portfolio of office and industrial assets as part of a privatization of Cominar, is considering two options for the building.

“We see a huge opportunity to reposition the property as a new office complex and/or a new residential complex,” Chiara explained. “So, we’re preparing proposals to do both. One or the other will happen and a decision will be taken in the next few months to redevelop that site in the core of the downtown area in Ottawa.”

The building was constructed between 1970 and 1972. It features floor plates of about 15,000 square feet and contains four elevators and 99 parking spaces.

One of the city’s main downtown transportation hubs is just a few moments’ walk from the front door.

Cushman and Wakefield’s Nathan Smith and Scott Brooker brokered the transaction.

Possible government office space

Brooker, C&W’s associate vice-president, capital market group, told RENX he also believes there are several repositioning options for the building.

If it were to remain as office space, a block of this size could be valuable considering the federal government’s goals to upgrade its office tenancies to more modern and sustainable facilities. A private-sector tenant might also be interested.

“In a general sense, I would say there’s probably a few options for a building like this, given its size and scope and location,” Brooker explained. “Being a large block of continuous office space, I think there is certainly an opportunity to reposition it as an office building and maintain it as an office building and attract large users – maybe the federal government at some point down the road, or other large users in the market.”

“A building like this would have runway to continue as an office building.”

It would be particularly attractive to the federal government if building systems were upgraded to modern standards to make it more sustainable and reduce greenhouse gas emissions.

“They still occupy a lot of buildings that don’t meet those new standards,” Brooker said, “so to be able to deliver a large block of continuous space that can meet those standards, certainly in my mind, would be attractive for them.”

Despite the ongoing challenges from the COVID-19 pandemic, the Ottawa office market has remained one of the most stable on the continent.

It had a vacancy rate of 8.6 per cent at the end of 2021, one of the lowest in North America.

The residential repositioning option

If Groupe Mach were to opt for a residential repositioning, Brooker said both the building and location are well-suited to such a project.

“With a building like this as well considering its site, floor plate and dimensions, it would also make a good conversion to either residential or hospitality potentially,” he said. “It’s pretty flexible, a building of this nature, in the downtown market.”

The proximity to a large pool of jobs as well as the nearby transit hub would both be key attractors for potential new residents.

Groupe Mach also alludes to some of these factors on its website, describing it as a “modern building with large windows” and noting the district includes many restaurants, shops, businesses and entertainment venues.
https://renx.ca/groupe-mach-repositi...r-office-tower
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  #3  
Old Posted Nov 23, 2022, 6:17 PM
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I really don't see the need for commercial office space to remain as high as it has in the past, given current tendencies leaning toward work-from-home and hybrid models, and given the dire need for more housing, I'd love to see this get converted to residential. Bringing more people living downtown would also be a huge plus for the sector!
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  #4  
Old Posted Nov 24, 2022, 7:31 PM
YukonLlama YukonLlama is offline
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Agreed. We need more bodies downtown to give it a bit more life.
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  #5  
Old Posted Sep 7, 2023, 12:48 AM
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I just came across this 3D fly-around:

Video Link
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  #6  
Old Posted Sep 7, 2023, 1:00 AM
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^Oh god please let this not be the actual proposal! its terrible
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  #7  
Old Posted Sep 7, 2023, 1:46 AM
bartlebooth bartlebooth is offline
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Originally Posted by SL123 View Post
^Oh god please let this not be the actual proposal! its terrible
Beyond horrendous. Why is Ottawa so bad at everything? Here's a sample of the architects work if you really want to be inspired - http://www.saplysarchitects.ca/completed-projects/
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Old Posted Sep 7, 2023, 3:33 AM
zzptichka zzptichka is offline
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Originally Posted by bartlebooth View Post
Beyond horrendous. Why is Ottawa so bad at everything? Here's a sample of the architects work if you really want to be inspired - http://www.saplysarchitects.ca/completed-projects/
They have "Hampton Inn Tower" in Ottawa in their portfolio. Does this project even exist?

Upd: nevermind: https://skyscraperpage.com/forum/sho...d.php?t=235267
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Old Posted Sep 7, 2023, 3:42 AM
movebyleap movebyleap is offline
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So bloody ugly. Classic Ottawa!
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  #10  
Old Posted Sep 7, 2023, 8:55 PM
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That video was posted on YouTube is around a year before the article posted at the top of the page, and maybe even before Cominar REIT bought the building. The rendering at the top is probably more up to date, and would be a cheaper, and nicer, implementation.
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  #11  
Old Posted Oct 31, 2023, 7:54 PM
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Plan is now to demolish and build a new tower.

Quote:
Groupe Mach to replace former DND building on O’Connor Street with new residential tower

David Salim, OBJ
October 31, 2023


A Montreal firm that is now one of Ottawa’s biggest office landlords says it plans to demolish a former government building on O’Connor Street and replace it with a residential highrise containing up to 400 rental units.

Groupe Mach purchased the now-vacant 14-storey building at 110 O’Connor St. on the corner of Slater Street from Cominar REIT for $40 million in 2021.

Groupe Mach president Vincent Chiara told OBJ this week the firm is likely going to tear down the existing structure that dates from the early 1970s and previously served as an office for the Department of National Defence.

He said the company is looking at a couple of different proposals that would see an 18- to 20-storey highrise with between 350 and 400 rental apartments constructed on the property.

As office vacancies continue to rise and the rental housing market tightens, the idea of converting outdated downtown office towers to residential projects has become a trendy topic in Ottawa real estate.

Several local developers, including CLV Group, District Realty and Katasa, have completed conversions in the city’s core in the past few years, and more projects are in the pipeline.

Chiara said his firm considered a conversion at 110 O’Connor. But after crunching the numbers, Groupe Mach determined it didn’t make financial sense to try to salvage the current building’s skeleton and transform the interior into apartments.

“A lot of those existing buildings don’t convert easily, and the costs of conversion are usually higher than building from scratch,” Chiara said in an interview from Montreal on Monday. “As soon as city officials give us the (green light for demolition), we’re ready to go.”

The O’Connor Street deal is just one of a series of headline-grabbing recent transactions in Ottawa for Groupe Mach, which has acquired 16 properties in the National Capital Region over the past two and a half years.

“We like (the Ottawa) market,” Chiara explained. “We like the stability, we like the quality of the tenancy, we like the professionalism that’s there with our suppliers. It’s a strong market that’s shown a lot of diversity.”

==SNIP==
https://obj.ca/groupe-mach-to-replac...dential-tower/
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  #12  
Old Posted Oct 31, 2023, 8:12 PM
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Sounds like they're full steam ahead with this one pending demo approval. Hope the new tower is of high quality, though anything would be better than the current blight. I walk past it very often and it's a stark contrast between it and the EDC building across the street.
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Old Posted Nov 1, 2023, 12:42 PM
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Not sure that I see any better alternatives, but changing out office buildings for residential towers in Centretown strikes me as less than optimal. I'm not sure why anyone would want to live in such bleak surroundings, especially if work is not there and other amenities are in decline. I fear for the future of the CBD.
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Old Posted Nov 1, 2023, 1:07 PM
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Originally Posted by kwoldtimer View Post
Not sure that I see any better alternatives, but changing out office buildings for residential towers in Centretown strikes me as less than optimal. I'm not sure why anyone would want to live in such bleak surroundings, especially if work is not there and other amenities are in decline. I fear for the future of the CBD.
I read an article about the Slayte (office to residential conversion) in DT and its nearly full already. There is a market.
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Old Posted Nov 1, 2023, 1:18 PM
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Quote:
Originally Posted by kwoldtimer View Post
Not sure that I see any better alternatives, but changing out office buildings for residential towers in Centretown strikes me as less than optimal. I'm not sure why anyone would want to live in such bleak surroundings, especially if work is not there and other amenities are in decline. I fear for the future of the CBD.
By contrast, is it not likely that the more people who move into the area, the more likely it is for amenities to increase? The whole reason amenities are on the decline is because less people are filling the offices full time. With residential buildings, there's life after 4pm when all of the federal workers go home.
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Old Posted Nov 1, 2023, 6:25 PM
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By contrast, is it not likely that the more people who move into the area, the more likely it is for amenities to increase? The whole reason amenities are on the decline is because less people are filling the offices full time. With residential buildings, there's life after 4pm when all of the federal workers go home.
Definitely, and there are already a bunch of big residential projects that will be coming online in the next 1-2 years, so there are thousands of new residents coming shortly.

To the extent that amenities are on the decline, it is primarily the amenities that cater to the 9-5 office crowd that have been impacted. Downtown is still very amenity-rich and walkable for the people who actually live there. The only thing that it lacks is big-box retail, and most people living downtown don't have room to store a 12kg jar of mustard anyway.
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Old Posted Nov 1, 2023, 5:26 PM
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Quote:
Originally Posted by kwoldtimer View Post
Not sure that I see any better alternatives, but changing out office buildings for residential towers in Centretown strikes me as less than optimal. I'm not sure why anyone would want to live in such bleak surroundings, especially if work is not there and other amenities are in decline. I fear for the future of the CBD.
Give me a place to live in CBD any day of the week rather than living in a north american suburb. Those things are a disgrace.

I can't wait until this area is full of residential units. That will bring the amenities, not the other way around.
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Old Posted Nov 1, 2023, 6:24 PM
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Originally Posted by saisoj View Post
Give me a place to live in CBD any day of the week rather than living in a north american suburb. Those things are a disgrace.

I can't wait until this area is full of residential units. That will bring the amenities, not the other way around.
I suppose many would agree, if CBD or a suburb were the only choices.
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Old Posted Nov 1, 2023, 1:30 PM
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Honestly, I find much of car centric Barrhaven, Kanata and Orleans (and, well, most of Ottawa as soon as you step out of streetcar or mid-century suburbs) far bleaker with all the stroads and narrow sidewalks and lack of biking infra.
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Old Posted May 13, 2025, 3:14 PM
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Out of Ottawa Magazine. Thanks to Pat from Rail Fans for stumbling upon this. Looks like a tear down and rebuild, but the podium seems inspired by the brutalist architecture of the current building.

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