Impressed by Our services,


Always dreamed of that extra space? The office you always needed? A play area for the kids?

Alexander Plastering and Damp Proofing can give you just that. Basement and cellar conversions are becoming an increasingly popular way of utilising more of your much needed space. At Alexander Plastering and Damp Proofing, we give free advice and carry out all work to ensure any below ground conversion project stays dry.

Style, safety and space

Alexander Plastering and Damp Proofing guarantees to provide you with a personal and bespoke service. We will tailor our skills to fit your tastes and needs, creating for your home that perfect, extra space that you always dreamed of.

Tanking specialists

We can do the job in various ways for you from structural waterproofing membranes to cementitious tanking slurries. Our team can design and advise you on the waterproofing solution best suited to your needs.

Wondering whether this works for you?

Here at Alexander Plastering and Damp Proofing, we realise that an entire conversion can be a big decision. That’s why our professionals are always willing to offer you all the advice you need. Why not contact us today and book in for an initial consultation to find out exactly what we can do for you.

We use rendering systems from sand and cement, smooth faced pebbledash, tyroleaning and pointing. We also comply with BS810 regulations and fit Type C system conversions with 10 year guarantees.

Get in Touch

Short of space? Find out about our basement and cellar conversions today You can reach us using the following contacts


Alexander Plastering and Damp Proofing
48 Lancaster Road
Wigan WN5 0QY