OSI has refurbished, converted, repaired and restored all types of residential building - from listed, heritage to luxurious, high-tech contemporary….

Confined sites, occupied buildings, demanding timescales - we have constantly risen to the challenge and exceeded our clients expectations on time, quality and value for money.

Residential projects are increasingly caught between planning restrictions, Sustainability issues and other building regulations. OSI have world-wide experience in the successful delivery of even the most complex of projects.

……..OSI offers high quality and reliability and the assurance that the project will be completed to the satisfaction of client, designer and the consultant team.