A high-profile retailer has been run out of its Boylston Street home in Boston’s Back Bay by a bank known for barbarism – in its advertising, at least.

Capital One will open a branch at the corner of Boylston and Fairfield Streets, displacing high-end women’s apparel and furnishing store Anthropologie in September, according to industry sources that wished to remain anonymous.

The clothier will be replaced with what is expected to be a flagship bank branch, among the company’s first in Boston.

Anthropologie is being priced out of its 799 Boylston St. home because Capital One made the landlord an offer he couldn’t refuse – and an offer Anthropologie wouldn’t match, according to one industry executive. Landlord Paul Sarkis, son of Back Bay Restaurant Group founder Charles Sarkis, could not be reached by press time.

Capital One will be paying “an absolutely huge number” to rent the 13,000-square-foot space, the source said. Anthropologie will move into approximately 12,000 square feet on the site of the former Gap flagship store at 201 Newbury St.

Anthropologie wanted to stay at the plum Boylston Street location across the street from the Prudential Center and Mandarin Oriental hotel and residences, the source said, “But wasn’t going to pay what Capital One was offering.”

Even though Anthropologie will likely be paying in excess of $100-per-square-foot at its new home at 201 Newbury, that is still “not even near” what Capital One will pay to occupy the Boylston Street storefront.

According to multiple sources familiar with the deal, the exorbitant rent the financial institution will pay is not a reflection of rising prices on Boylston, nor dropping prices on Newbury. Instead, the bank was so “desperate” for space on a corner of either Boylston or Newbury Streets, the deep-pocketed company was willing to pay a premium.

“Does Capital One really need 13,000 square feet for a bank branch?” a source asked rhetorically. “No, but they’re so desperate to get into the market that they’re willing to pay what it takes.”

Musical Chairs

But don’t cry for Anthropologie – their sales won’t suffer, according to one source, who said the business Anthropologie has created on Boylston should transfer nicely to Newbury because of the company’s strong customer base – and because, after all, it’s still Newbury Street.

“If they landed in the South End, it would be a whole different story,” the source said with a laugh.

Also making waves at the Massachusetts Avenue end of Newbury Street, clothing and accessories retailer Fossil will move into the former home of the Capital Grille restaurant at 359 Newbury St.

A new Capital Grille is slated to open at the Hynes Convention Center near the end of August, with Fossil expected to take the space then. But Fossil has “a massive amount” of renovations to make, so it will be some time before the store can open in the approximately 7,500-square-foot former restaurant space, the same source said.

And those are not the only spaces being looked at in the area. A retail real estate expert said he would not be surprised if clothing stores like H&M or Filene’s Basement – already located nearby – were to expand into parts of the closed Borders Bookstore on Boylston Street. Several retail professionals said the space will likely be subdivided, with stores fronting on both Boylston and Newbury Streets.

One source also mentioned the possibility of housing a restaurant on the Boylston Street side, though said there is also talk of another bank moving into a portion of the former bookstore.

Back Bay Recovery

And still another notable vacant space also sits nearby.

Adam Weiner, principal of Newbury Street-based real estate investment and development firm Weiner Ventures, owns 234 Berkeley Street – or, as most know it, the former home of Louis Boston, which relocated to Fan Pier on the city’s waterfront last year.

Weiner said he may announce a new tenant for the 44,000-square-foot historic structure soon, but would not give a timeline. A reliable source speculated Weiner could choose a tenant in the next six months.

In the past half year, the Back Bay retail market has rebounded from the lows of the recession, when the likes of Gap and Pottery Barn shuttered their Newbury Street. stores.

Six weeks ago, the city held a welcoming ceremony for 26 new Back Bay-area retailers that have moved to the neighborhood since the beginning of the year. Average Back Bay retail rents are up to about $120-per-square-foot, said Andrea Matteson, senior associate for CB Richard Ellis’ urban retail group.

Multiple retail brokers could not offer vacancy rates for the entire Back Bay, since there are so many property owners and stores constantly moving. But according to information provided by Newbury Street-based real estate investment firm UrbanMeritage, storefront vacancies on Newbury Street have dropped to just 3 percent, compared to roughly 7.5 percent at the same time last year. In 2009, vacancies spiked to approximately 12 percent.

“In the past nine months the scales have begun shifting back to recruitment and development,” said Kristin Keefe, retail market sector manager for the Boston Redevelopment Authority.

Last year, the city saw $10.7 billion in retail sales, $2 billion of which came from students alone.