Southside Construction Ltd is a Bournemouth-based building contractor specialising in home extensions, renovations, and residential construction projects across Dorset.
If you are planning an extension or renovation in Christchurch, choosing a builder with local knowledge can help ensure your project runs smoothly. Southside Construction Ltd delivers professionally managed extensions and renovations in Christchurch, supporting homeowners with practical advice, structured project delivery, and reliable workmanship.
From adding space to reworking internal layouts, we help homeowners improve their properties while keeping projects well organised, compliant, and clearly communicated throughout.





We work across Christchurch, including:
We also cover Bournemouth, Poole, and wider Dorset.