Areas Covered

Specialists in London Sash Windows

For centuries, the tradespeople that worked on and built homes lived nearby. They understood the housing stock and each area’s specific requirements and quirks. Today it should be no different. Our surveying and installation staff live in London, and have worked in London for decades. It is important that you understand the context of the properties you will work in, and that is why we specialise in Victorian and Georgian properties in London.

energy efficient sash windows
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Understanding Restrictions and Requirements in London

Working and specialising in London period properties means that we have gained a huge amount of experience in planning and conservation area restrictions. Although many assume that there is a one-size-fits-all rule to replacing windows in conservation areas, that isn’t the case. Each local authority has its specific requirements, such as Islington which requires a maximum double glazed unit thickness of 14mm.

Individual conservation areas can also have their own specific requirements, such as the Telegraph Hill Conservation Area in Lewisham, which specifically requires midrail heights on sash windows of no more than 35mm.

Knowing and understanding these factors can only come from the experience of having submitted planning applications, liaised with planning officers and manufactured windows for these specific areas.

For more detailed information on planning constraints, click below to view our planning page.

Sliding sash windows which have been repaired - house front view

Working Sympathetically in London Boroughs

As you move through London, the style, design and age of each area’s housing stock changes. From the narrower terraced Corbett houses of Eltham and Lewisham, through to the 1930s bow bay fronted properties in Streatham, the taller terraces between the commons of Clapham and Wandsworth, to the grand white stucco-fronted townhouses in Mayfair and Pimlico. We have experience in all of these areas, and carry out hundreds of installations a year in these areas.