Exceptional quality Building Services across the South of England


At Urban Fox Construction, we have a proven success record for creating the best-quality home extensions which add real value. Our talented team are well-versed in extending properties to the desired specifications using a range of cutting-edge tools, equipment and materials.

After finalising the design plans and choice of materials, our extension specialists will begin working on your project with minimal disruption and leave your extension and surrounding space completely clean and tidy. An ideal addition to your home, extensions do a lot more than just add value!

How We Approach Extensions

We’re among the leading providers of house extension services across the south of England and have the skills, knowledge and capacity to build extensions to any specification or demand. If you already have a set of drawings to work with, that’s fantastic! If not, we’ll collaborate with our own architects and structural engineers to come up with detailed drawings for your house extension. We are equipped to deliver your home extension project from start to finish.  

Planning an Extension – Commonly Asked Questions

This can depend on a variety of factors. For example, under specific circumstances, you can build an extension under Permitted Development (PD), but if you’re not sure whether these rights apply to you, you can check with your Local Planning Authority. PD allows specific extension works to be carried out as long as you meet the underlying criteria. 

However, suppose your goal is to build a reasonably large extension which requires significant modification to the existing layout. In that case, you may need Planning Permission which means submitting an application, engaging with your local authority at an early stage and becoming familiar with local planning policies. We can provide assistance with all of this to help you get approval. 

Simply contact us to discuss your project, and we’d be happy to provide further guidance. 

Your neighbour might object to a home extension because they may fear damage to their own property, a loss of privacy or natural light, disruptions and intrusions from the builders, etc. It’s likely that you’ll be signing a Party Wall Agreement with your neighbour before work starts. 

If the extension needs to be built around a shared wall, please get in touch with us so we can advise on the proper procedure in order to ensure a smooth extension building experience. 

During an extension building project, things outside of our control can go wrong. For example, certain parts of your home may not be structurally sound, exposed to weather elements or susceptible to theft. 

Your current house insurance policy will likely not offer adequate protection, and our own builder’s insurance policy does not cover natural disasters like storms, floods and subsidence. Insurance around extensions can be a confusing topic – give us a call, and we’ll explain all the options available in order to have the appropriate level of insurance cover for your home extension Southampton project. 

If you have drawings or plans you wish to specifically discuss with an architect, we can help you establish contact. Just get in touch with us, and we’ll provide further guidance.  

Our dedicated site manager is your one-point contact and will collaborate with you from start to finish. 

We offer a structural warranty on all completed extensions. In order to be eligible, your building needs to be structurally sound and comply with building regulations. 

Yes, you can – however, we will carry out a comprehensive survey before beginning work, and if your existing utilities are not ‘fit’ to accommodate the extension, then you will need new ones. Our expert advice is on hand to help you on that front. 


Here’s a look at some of the beautifully built and custom-designed extensions we’ve delivered on time and on budget. 

A full, detailed and back-to-brick refurbishment.
A modern, single-storey extension.

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Our team of expert and friendly extension specialists are always on hand to help you execute any extension project from the smallest and simplest to the largest and most complex one.