About Us

We are a team of professional and friendly commercial interior refurbishment experts with the ability to help with any situation.

However large or small the project we are here to help and offer free friendly advice. We operate on both a local and national level from our London, Portsmouth and Southampton offices which help us to serve all locations including but not limited to London, Herts, Kent, Middlesex, Surrey, Hampshire, West and East Sussex, Dorset, Berkshire to name a few.

Southern Interior Systems Ltd is part of the Southern Group of companies along with the following:

  • Southern Environmental Contracts Ltd: Asbestos Removal Contractors Southern Asbestos Solutions Ltd: Asbestos Removal & Surveying Contractors.
  • Southern Soundproofing: Domestic / Residential & Commercial / Industrial Soundproofing.

All of the Southern Group companies offer the same unreiveled professional, friendly service and unbeatable value. Whatever the situation call Southern Group as we are here to help.


environment agency


"Very competitive, prompt and efficient and I would definitely recommend them."

"Very efficient and thorough."

"In addition to being competent and competitive, they explained options available where others did not."

Southern Interior Systems, Building 1000, Lakeside, North Harbour, Portsmouth PO6 3EZ Tel: 02392 344 054 London Office: 0207 411 9100 Southampton Office: 02381 242 007