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Extensions in South East London, Croydon, Beckenham

Extensions

With two decades of experience, our company has overseen numerous house extension projects.

We pride ourselves as the experts in this field, offering you the opportunity to view similar projects in your area.

Meanwhile, feel free to explore our Testimonial and Gallery pages.

View some of our Extension Projects

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Extensions in Beckenham

Our Process

We handle all facets of a project, from design, planning, and compliance with building regulations to overseeing construction and guaranteeing the quality of work.

Our in-house designers collaborate closely with you and your consultant to craft the best possible plan within local planning guidelines.

Our supervisors, conduct site visits 2-3 times a week during the build to ensure work progresses according to the schedule. We certify each weekly stage payment, ensuring you pay only for completed work.

Additionally, the building inspector periodically attends the site to verify compliance with building regulations.

Typically, our house extensions require around 8-10 weeks for completion, dependent on the project’s size, complexity, and specifications. 

Client Testimonials

“Excel Construction built our kitchen extension. The project was well managed and delivered on time. Alex and his team were very professional and the communication with us was excellent. Highly recommended.”
S L-J
“Excel Construction have undertaken a kitchen extension, porch, driveway, garage roof and loft extension for us to date. Each time we have been really impressed with the quality of their work and their consideration in tidying up after each day and being respectful of our living environment. Overall, we have always had a really positive experience with the Excel Construction team and we would have no hesitation in recommending them to anyone.”
Catriona Lumiste
“Excel are a very professional team - with good quality work and no delays on our project. Really happy with their works.”
Excel Construction extensions, new builds and loft conversions
Ciprian Muraru

FAQ

House Extensions

The need for planning permission for a home extension depends on various factors, including the size, location, and specific circumstances of your property.  Some home extensions might fall under permitted development rights. This means they can be built without the need for planning permission as long as they meet certain criteria regarding size, placement, and other restrictions. We will explain this to you in detail and arrange all local authority permissions that are specific to your project.

On average, for standard applications, the timeframe to obtain planning permission for a home extension can range from a few weeks to several months. If your project qualifies as permitted development, you might not need formal planning permission, and the assessment can be quicker.

The construction phase itself can vary depending on the scope of work, the materials used, the number of workers involved, and the weather conditions. On average, a house extension might take several months to complete. For example:

  • A single-story extension might take around 3 to 6 months.
  • Double-story extensions or more complex projects could take 6 months to a year or longer.

Book your no obligation consultation

Book your no obligation consultation