Steel fire doors in County Londonderry, done to the evidence
We provide steel fire doors across County Londonderry, covering 9 postcode districts from BT45 to BT56.
For steel fire doors in County Londonderry we order factory-prepared doorsets so the hardware matches the test evidence exactly. Plant rooms, bin stores and warehouses in and around County Londonderry often call for steel doorsets that can take knocks and damp.
Wherever your building is in County Londonderry, the fire safety duties come from national rules, and our installation standard is the same.
How installation differs from timber
Steel frames are fixed with the anchors and fixing centres the manufacturer specifies, and frames are often grouted or packed according to the instructions. Steel doors usually arrive with hinges and hardware preparations made in the factory, so the hardware set must be ordered correctly at the outset. BS 8214:2026 now covers steel, metal and composite doors as well as timber, including how to seal them to the surrounding structure.
Fire door law for County Londonderry properties
Fire door work in County Londonderry follows Northern Ireland's rules: the Building Regulations (Northern Ireland) 2012, with Technical Booklet E as the fire safety guidance, and the Fire Safety Regulations (Northern Ireland) 2010 for premises covered by the 2006 Order.
Council building control handles building work approvals in Northern Ireland, and your fire risk assessment sets the inspection frequency for doors in County Londonderry.
How a County Londonderry job runs
- Survey the opening, wall type and use
- Specify rating, size, hardware and finish
- Order factory-prepared steel doorset
- Remove existing door and prepare the opening
- Anchor, pack and seal the frame; hang the leaf
- Commission closer and locks; record evidence
Guide prices in County Londonderry
As a guide, budget £900–£2,200 per steel doorset supplied and fitted, ex VAT for steel fire doors. The figure for your County Londonderry building depends on the number of doors, the rating, the condition of the frames, finishes, hardware and access. We confirm a fixed price after the free survey.
Steel fire doors questions
Do you provide steel fire doors across County Londonderry?
Yes. We cover all of County Londonderry, including Derry and Coleraine. Surveys and written quotes are free.
Do steel fire doors need intumescent seals?
Some steel doorsets use intumescent seals and some do not, depending on how they were tested. The certification sets out exactly what is required.
Can steel fire doors be painted?
They are usually supplied powder coated. Repainting on site is possible but must avoid covering seals and labels, and should follow the manufacturer's guidance.