John A. O'Neill Building Contractor

Building projects Renovations Extensions New builds Construction services Commercial construction Groundwork Finishing

Building regulation compliance Velux windows Loft conversions Staircase installation Dormer installations En-suite installation Insulation Storage solutions

Side extensions House extensions Building regulation compliance Two storey extensions Single storey extensions Design services Kitchen extensions Wrap-around extensions

Kitchen renovations Property renovations Bathroom renovations Interior refurbishment Full house refurbishment Project management Structural alterations Design services

Orangery installation Victorian and Edwardian conservatories Conservatory roof replacement Lean-to conservatories Building regulation compliance Conservatory installation Underfloor heating Internal plastering and finishing Bi-fold and patio doors

Damp surveys and inspections Penetrating damp treatment Mould removal and remediation Condensation control Damp proofing Rising damp treatment Basement waterproofing Replastering after damp treatment Tanking and waterproofing