Extensions and structural alterations
Extensions and structural alterations in London
An extension or structural alteration changes more than the floor plan. Structure, weathering, services, approvals and the finished interior must be designed and sequenced as one piece of work. ASAAN coordinates the building programme from a defined brief through construction and handover.
Joined-up structural and finishing work
Opening rooms, forming new rear space or changing a roof can affect load paths, drainage, electrics, heating, ventilation and the fabric around the new opening. The relevant professional designs and approvals must be in place before construction; ASAAN then coordinates the site work and the trades that complete it.
London constraints considered early
Depending on the property, the project may involve planning permission, building regulations, party-wall procedures, freeholder or building-management consent, neighbour considerations and restricted access. None applies universally, so project guidance cannot promise a particular consent outcome.
Project evidence
Relevant documented work
Questions about this work
Will my extension need planning permission?
It depends on the property, previous alterations, location and proposed work. A project-specific review is required; permitted development should never be assumed from a generic web page.
Who designs the structural work?
A suitably appointed structural engineer designs structural alterations. ASAAN can coordinate that information with the construction and finishing programme.
Can the renovation continue beyond the new extension?
Yes. Many projects combine structural work with kitchens, bathrooms, services and wider refurbishment so that the old and new areas are delivered coherently.
Discuss an extension or structural project
Tell us the property location, the work you are considering and your preferred timing.