How long does it take to build a Side Return Extension?


Once you have made the decision to transform your living space with a side return extension you are probably wondering how long the process is likely to take. It is useful to mentally prepare for what will be taking place during the project, particularly during the early stages, as there will be a lot of construction work going on and you may want to spend some time away from home while this is happening. From start to finish, a typical build is likely to take around 12 weeks and is usually divided into three main stages:

Weeks 1 – 4: Groundwork, foundations and brickwork

This first stage is likely to involve a lot of upheaval and demolition as the team carry out all the on-site construction work. This includes all groundwork and the creation of foundations, footings and walls. During this first stage, Build Team will liaise with your local council’s Building Control department to ensure that any requirements under the Building Regulations are complied with.


Weeks 5 – 8: Steelwork super structure, roof formation and floor screed

As work progresses, a new wall will be built either on the boundary of yours and your neighbour’s land, or just on your side of the boundary. The side wall to the existing rear room will either be completely or partially knocked through and a steel frame may need to be put in place to support the new opening. At this point, a new roof will be created. This may involve full glazing or a design with skylights to bring more light in. Lastly, floor screed will be laid down to provide a smooth surface for your choice of flooring.


Weeks 9 – 12: The finishing touches

During this final stage Build Team will oversee the installation of all doors and windows to your agreed design and specification. The team will then lay down your choice of flooring material and will take care of the internal finishing of the structure. This includes first and second fix electrics and plumbing, as well as plaster boarding and plastering. If you are opting for a full turnkey service from us, we will then install the kitchen units and electrical appliance. We will also put in place all the remaining fixtures and fittings before finalising the decoration to your specifications.

Hopefully this will give you a clearer idea of what is involved in a typical side return extension project. No two jobs will be the same of course, but we will always liaise with you throughout the process to keep you up to date and informed.

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