Fit Outs
Decorating And Office Refresh
Repairs And Maintenance


Servicing the commercial
& office sector


Compartmentation surveys and
fire risk assessments


Creating a fire safe
working environment


office upgrades & refurbishments - building compartmentation & fire protection

BSI-Interiors works with clients who want to maximise the effectiveness of their work space and create a safe and pleasant working environment.

We specialise in:

  • Working with occupied/unoccupied commercial offices, retail units
  • Providing upgrades,refurbishment and decorating solutions
  • Complete 3rd party fire protection installations


  • Compartmentation surveys to electric and mechanical risers and escape routes
  • Fire risk Assessments
  • Working within project timescales and to budget

Based in London, we cover central and greater London plus the outskirts of this great city. We are happy to undertake part or complete transformation of your workspace, whether it be partition stud walls and ceilings, compartmentation walls and risers, fire protection, acoustics or ongoing maintenance. We can also assist with any refresh, full refurbishment and decoration works required.


With the growing demand for our fit out, fire protection installations and refurbishment expertise, our service offering is constantly developing as we respond to the growing needs of our clients. That’s why today, we offer a complete installation and refurbishment service where every contract is carefully managed from initial concept to completion. See below for a breakdown of what services we offer.


  • Dividing office wall solutions
  • Solid Stud Wall Partitions
  • Shaft Wall Partitions
  • Fire and acoustic Wall Partitions


  • Suspended ceilings
  • Grid ceilings
  • MF (plasterboard) solid ceiling
  • Fire and acoustic ceiling

Acoustics – Fire Protection – Air Sealing

  • Fire barriers and curtains
  • Intumescent coated batt – fire stopping
  • Soffit Insulation
  • Fire Board Encasement systems
  • Slab edge protection

Commercial / Office Decorating & Refresh

  • Office and commercial decorating
  • Yearly and end of lease contractual obligations
  • New build structural repairs and redecorate
  • Mastic and Sealant Works
  • Strip-out  repairs and redecorate

Maintenance – Snagging

  • Office layout refurbishment
  • Strip-outs
  • Handy man works
  • Working to time scales and contractual deadlines
  • Out of office hours contractual works
  • 24 hour call out

Compartmentation surveys and fire risk assessments

  • Full building comparmentation survey
  • exit routes, corridors, stairwell surveys
  • Electrical and mechanical riser cupboard compartmentation specialists
  • building fire risk assessments

Health, Safety & Enviroment

Health & Safety is vital for the well-being of our workforce and clients, and we work very hard to ensure that everyone is fully protected and in line with current legislation. We undergo regular training to ensure that we are fully compliant in all health, safety and environment issues.
We are fully accredited and insured which gives us and our clients total peace of mind.

Our process include :

  • Asbestos Risk Assessments
  • Accident Reporting
  • Health & Safety Arrangements
  • Method Statements
  • First Aid
  • Fire Risk Assessments
  • Personal Protective Equipment (PPE)
  • Safety Policy Statement Work
  • Equipment Procedures


Our quotes and initial consultations are completely free. If you would like to discuss your fit out and refurbishment requirements or any of our other services, please fill out the contact form below and one of our team will respond to your enquiry as soon as possible.

If you’d prefer to call us, please do so on 020 8524 9021 or email

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