Residential and commercial construction across Yorkshire
Construction, fit out and maintenance services in Leeds
Fortis Developments delivers residential improvements, commercial interiors and ongoing property works across Leeds and the wider Yorkshire area. Every project is approached with a clear scope, coordinated trades and a focus on lasting finishes.
What we do
Services built around your property
Commercial Fit Outs
Offices, gyms, shops and studios delivered around your layout, operational needs and target opening date.
- Strip out and internal alterations
- Partitions, flooring and decoration
- Joinery, lighting and finishing work
House Extensions
Well planned extensions that add usable space and work naturally with the existing property.
- Single and double storey extensions
- Wrap around and side extensions
- Structural alterations and internal finishes
Property Refurbishments
Full and partial refurbishments for homes, rental properties and commercial premises.
- Internal reconfiguration
- Kitchens, bathrooms and flooring
- Plastering, decorating and final finishes
Property Maintenance
Reliable planned and reactive works for landlords, agents, commercial premises and managed buildings.
- Repairs and remedial works
- Joinery, decorating and flooring
- Ongoing facilities support

Commercial spaces. Exceptional finishes.
Specialist studio and wellness fit outs
We have delivered complete spaces for reformer Pilates, hot Pilates, barre and hot yoga. The work can include room layouts, reception areas, mirrors, flooring, changing facilities, lighting and coordinated finishes.
A straightforward process
Clear from first visit to handover
Understand
We review the property, required work, drawings, budget and timescale.
Define
You receive a clear scope covering the agreed works and responsibilities.
Deliver
We coordinate the programme, trades and finishes throughout the project.
Complete
The finished areas are reviewed before handover and final completion.
Strong foundations. Exceptional finishes.
Tell us what you are planning
Send your postcode, photographs, drawings and preferred timescale. We will review the information and discuss the right next step.