Extensions & Conversions in Sheffield

Running out of space at home? An extension or conversion is often the most cost-effective way to add the room you need without the upheaval of moving. AJS Building & Property Maintenance Ltd designs and builds high-quality extensions and conversions for homeowners across Sheffield.

Our experienced team manages every stage of the project — from planning and groundworks through to plastering, electrics, plumbing, and finishing. We work with trusted subcontractors where specialist trades are required, co-ordinating everything so you don't have to.

Whether you're looking for a rear extension to open up your kitchen, a loft conversion to add a bedroom, or a garage conversion to create a home office or gym, we have the skills and experience to deliver it to the highest standard.