"Dominant and discordant" plans to add a luxury flat to two floors of a historic Crouch End site have been rejected.
Locally-listed Floral Hall sits within Crouch End Conservation Area and would have been "destroyed" had plans been approved.
Plans from Dawnelia Properties would have involved the loss of the greenhouse structure on the first floor, although the ground-floor facade would have been maintained.
READ MORE: Plans to build flat above landmark Crouch End site opposed by residents
The application received more than 200 comments, plus objections from all three then-Liberal Democrat councillors for Crouch End.
They feared proposals would affect the character and the aesthetic of the site.
Haringey Council officers refused the application on November 11 saying "the additional bulk, mass and height introduced, would result in a top-heavy, dominant and discordant building, detrimental to the spatial qualities afforded by this site, its spatial relationship with surrounding buildings and contribution to the streetscene".
The plan failed "to preserve or enhance the character and appearance to this part of Crouch End Conservation Area".
The report added: "The proposed design approach of large expanses of glazing serving this residential unit and absence of other design solutions to provide an acceptable level of privacy would result in a poor standard of accommodation for future occupiers."
Cllr Luke Cawley-Harrison (Lib Dem), who represents Crouch End ward, had objected to the plans saying the proposals "would mark a demonstrable change to the appearance of not just the building, but the entire geographical area it sits".
He said: "I’m glad to see that this application, which would have destroyed an iconic, locally listed building, has been refused.
"The addition of a single new apartment - which was below the minimum floor space standards for London - would have had a negligible impact on Haringey’s housing supply, but a significant impact on conservation, and it's good to see planning officers recognising this in their decision."
Chris Bowen, from Bowen Architects, representing Dawnelia Properties, indicated the developer planned to appeal.
He said: "Our aim is to retain, preserve and enhance this locally-listed building and this remains our intention.
"We have worked with the community extensively throughout the process and our submission had the support of the local amenity society at the point of submission."
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