Fire Door Installation Cost Guide

Understanding the average fire door installation cost is essential when planning work on commercial premises, residential and commercial properties or refurbishment projects. While the cost of installing a fire door varies depending on the specification, building type and level of certification required, choosing the cheapest option can lead to costly remedial work if the installation does not meet current fire safety regulations.

The total fire door installation cost includes far more than the door itself. Labour, certified materials, the condition of the existing frame, self closing devices, smoke seals and certification documentation all contribute to the final price. Whether you need a single door or a large commercial fire door installation, working with experienced specialists helps ensure the correct fire rating is achieved and your building remains compliant.

If you’re planning to install a fire door or replace existing fire doors, our fire door installation service provides certified installation, inspections and fire door supply for projects across the UK.

Quick answer: What is the average fire door installation cost?

The average fire door installation cost in the UK typically costs between £350 and £2,500+ per door, depending on the fire door type, installation complexity and certification requirements.

As a guide:

Larger commercial projects involving multiple doors often achieve lower labour costs per unit, making the overall door installation cost more economical than installing a single door.

What is included in a fire door installation cost?

When comparing quotations, make sure you understand exactly what is included. A low quote may exclude essential components needed to achieve fire door compliance.

A complete fire door installation normally includes:

• Certified fire door supply
• Door leaf
• Fire rated frame where required
• Smoke seals
• Self closing devices
• Hinges and certified ironmongery
• Professional door installation
• Initial inspection
• Certification documentation
• Disposal of the old door where applicable

Some projects also require automated closing systems, upgraded locks, vision panels or specialist hardware to satisfy building regulations and fire safety standards.

Fire door installation cost breakdown

The overall installation cost depends on the specification of the door and the building itself.

These figures are indicative only. Every project should begin with an initial inspection to determine the condition of the existing fire door, surrounding structure and existing frame before accurate pricing is provided.

What affects fire door installation cost?

No two installations are identical. Several factors influence both the fire door cost and the overall door installation cost.

Fire door type

The fire door type has one of the biggest impacts on price.

Standard timber fire doors are commonly used in offices, apartment blocks and other internal locations. Steel fire doors are generally specified for commercial buildings, industrial facilities and high risk environments where additional durability and security are required.

The specification of certified fire doors, glazing, hardware and finishes all affect the final price.

Fire resistance rating

Every fire rated door is designed to provide a specific period of fire resistance.

Common options include:

• FD30
• FD60
• Higher-rated specialist doors

Choosing the correct fire rating depends on the building layout, escape routes, occupancy and fire safety regulations. Installing a higher-rated door than necessary increases costs unnecessarily, while selecting an unsuitable door may fail to satisfy legal requirements.

Existing frame condition

One of the largest variables is whether the existing frame can be retained.

If the existing frame remains structurally sound and meets manufacturer tolerances, installing fire doors may only require adjustments and new certified hardware.

However, damaged, warped or non-compliant frames usually need replacing, increasing both labour costs and material costs.

Labour costs

Labour costs vary depending on:

• Door size
• Building access
• Number of installers required
• Building occupancy
• Existing door removal
• Working hours
• Site restrictions

Installing a single door generally costs more per unit than installing multiple doors on the same project because travel, setup and certification are spread across fewer doors.

Certified materials

Every component used within the assembly contributes towards overall fire resistance.

Certified materials include:

• Fire rated hinges
• Smoke seals
• Intumescent strips
• Approved locks
• Door closers
• Glazing systems

Using uncertified components can compromise the performance of the complete fire door assembly and may invalidate certification.

Building regulations

Current building regulations place strict requirements on fire compartmentation and passive fire protection.

The installation must comply with the manufacturer’s tested specification while also meeting relevant fire safety legislation. Even a high-quality fire door can fail if improper installation leaves excessive gaps or incorrectly fitted hardware.

Commercial buildings

Commercial buildings often require more extensive surveys and documentation than smaller projects.

Factors affecting commercial fire door installation include:

• Number of doors
• Occupancy levels
• Access arrangements
• Security requirements
• Business operating hours
• Fire strategy
• Compliance reporting

These additional requirements increase installation cost but also provide enhanced compliance and better long-term management of fire safety assets.

Timber fire doors vs steel fire doors

The choice of fire door materials has a significant impact on both the initial fire door cost and long-term maintenance requirements. While both options provide certified fire resistance when correctly specified and installed, they suit different environments.

Timber vs steel fire doors

• Timber fire doors: Typically cost £350–£1,000 installed and are commonly used in offices, apartments and hotels.
• Steel fire doors: Usually cost £900–£2,500+ installed and are often specified for industrial units, plant rooms and warehouses.
• Appearance: Timber offers a wide range of finishes, while steel doors are generally powder-coated or galvanised.
• Maintenance: Steel fire doors usually require less maintenance than timber doors.
• Durability: Both are highly durable, although steel is generally more resistant to heavy use.
• Fire resistance: Both are available in FD30 and FD60 ratings, with steel doors also available in higher fire resistance ratings for specialist applications.

Timber fire doors remain the most popular choice for internal fire doors in offices, schools and residential developments, while steel fire doors are often specified for commercial spaces where increased durability and security are required.

Choosing the right fire door type should always be based on the building’s fire strategy rather than cost alone.

Commercial fire door installation costs

Commercial fire door installation is usually more complex than installing a fire door in a domestic property. Projects often involve dozens or even hundreds of certified fire doors spread throughout commercial buildings, requiring careful planning to minimise disruption.

Typical commercial settings include:

• Offices
• Healthcare facilities
• Schools and universities
• Hotels
• Apartment blocks
• Care homes
• Retail premises
• Industrial facilities
• Distribution centres

Commercial fire door installation cost depends on several factors, including:

• The number of doors
• Building access
• Existing fire door condition
• Fire rating requirements
• Security specifications
• Certification requirements
• Installation programme

Where several doors are replaced together, contractors can often reduce the average door installation cost by carrying out work more efficiently. Installing multiple doors during one project typically offers better value than replacing individual doors over several visits.

If your project is based in the capital, our fire door installation in London service supports commercial properties with certified installation, inspections and compliance across a wide range of sectors.

Additional costs to consider

When budgeting for a project, remember that the installation cost isn’t always limited to the door itself. Several additional costs can influence the overall project value.

Fire door supply

Fire door supply varies depending on:

• Fire rating
• Door size
• Finish
• Glazing
• Hardware
• Manufacturer

Higher-specification certified fire doors naturally command a higher purchase price.

Replacing the existing frame

An existing frame that has moved, deteriorated or no longer complies with the manufacturer’s tolerances may need replacing.

Although this increases the initial installation cost, it ensures the complete fire door assembly performs as tested.

Smoke seals and self closing devices

Smoke seals and self closing devices are essential components of many certified fire doors.

These products help:

• Protect escape routes
• Reduce smoke spread
• Improve fire compartmentation
• Support regulatory compliance

Attempting to reuse damaged hardware can compromise fire resistance and increase future repair costs.

Automated closing systems

Some commercial settings require automated closing systems integrated with the building’s fire alarm.

These systems are commonly found in:

• Hospitals
• Care homes
• Educational facilities
• Large office developments
• Commercial premises with high occupancy

Although they increase installation cost, they can significantly improve both accessibility and fire safety.

Smart sensors

Modern fire doors can also incorporate smart sensors that monitor:

• Door position
• Closing performance
• Misuse
• Maintenance requirements

These systems are becoming increasingly common in larger commercial properties seeking better asset management and enhanced compliance.

Emergency repairs

Unexpected damage caused by impact, vandalism or wear can result in emergency repairs outside planned maintenance schedules.

Emergency call-outs usually cost considerably more than scheduled works, making preventative maintenance a cost-effective investment.

Why professional installation matters

Fire doors only perform correctly when every component has been installed precisely in accordance with the manufacturer’s tested specification.

Improper installation remains one of the most common reasons certified fire doors fail inspection.

Common installation issues include:

• Incorrect frame gaps
• Missing smoke seals
• Poorly adjusted self closing devices
• Incorrect hinges
• Damaged door leaf
• Unapproved hardware
• Incorrect glazing systems

Even small defects can reduce fire resistance and place occupants at greater risk during a fire.

Using a certified fire door installer helps ensure:

• Compliance with fire safety regulations
• Correct fire rating
• Certified materials throughout the assembly
• Accurate certification documentation
• Ongoing safety
• Regulatory compliance
• Long-term performance

For many commercial properties, using a competent person is not simply best practice but an important part of demonstrating that legal duties relating to fire safety have been met.

Routine inspections and ongoing maintenance also help maintain compliance throughout the life of the building, ensuring fire doors continue to protect escape routes when they’re needed most.

Fire door installation requirements under UK building regulations

Installing fire doors correctly is about more than achieving a neat finish. In many situations, it is a legal requirement designed to protect occupants and support safe evacuation during a fire.

Requirements vary depending on the building, but building regulations and fire risk assessments commonly require fire doors installed in locations such as:

• Protected stairwells
• Corridors forming escape routes
• Plant rooms
• Service risers
• High risk environments
• Shared areas within blocks of flats
• Certain commercial premises

Fire doors are also commonly required where an integral garage connects to a dwelling, helping to slow the spread of fire into the main living areas.

Buildings with three or more storeys, houses in multiple occupation and many commercial properties are subject to strict regulations regarding passive fire protection. Property owners should always seek advice from a competent person to ensure the correct fire rating has been specified for each location.

Local regulations and the building’s fire risk assessment should always be considered before replacing or installing new doors.

Why certification documentation matters

Professional installation should always be accompanied by certification documentation.

This provides evidence that:

• Certified fire doors have been installed.
• Certified materials have been used.
• The installation follows the manufacturer’s tested specification.
• The correct fire rating has been achieved.
• The work supports regulatory compliance.

Certification documentation can prove invaluable during fire risk assessments, insurance inspections and building audits, particularly within commercial spaces where compliance records are routinely reviewed.

Choosing the right fire door installer

Choosing an experienced fire door installer is just as important as selecting the right product.

Look for certified fire door installers who can demonstrate experience working across commercial settings and understand current fire safety regulations.

A reputable installer should provide:

• A detailed survey before quoting.
• Clear cost breakdowns.
• Advice on the appropriate fire door type.
• Information on ongoing maintenance requirements.
• Certification documentation on completion.
• Guidance on maintaining compliance throughout the life of the doors.

Avoid selecting a contractor based solely on price. Improper installation can compromise fire resistance, lead to failed inspections and create significantly higher costs in the future.

Conclusion

Understanding fire door installation cost allows property owners to budget more accurately while ensuring buildings remain safe and compliant.

Although the total installation cost varies depending on the fire door type, labour costs, fire rating and project complexity, investing in professional installation provides long-term value. Correctly installed certified fire doors help protect escape routes, satisfy building regulations and improve fire safety across residential and commercial properties.

Whether you’re replacing a single door, upgrading existing fire doors or planning a large commercial fire door installation, working with experienced specialists ensures every installation is completed to the highest safety standards.

For projects where clear identification is equally important, it’s also worth understanding the role of certified fire door signage in supporting safe evacuation and compliance. Learn more in our guide to fire door signage.

Frequently asked questions

How much does fire door installation cost in the UK?

Fire door installation cost in the UK typically costs between £350 and £2,500 or more per door. The final price depends on the fire door type, labour requirements, fire rating, certification and whether a new frame is required.

Is installing a fire door a legal requirement?

In many commercial buildings and certain residential buildings, yes. Building regulations and fire safety legislation require fire doors in specific locations to protect escape routes and slow the spread of fire.

Who can install a fire door?

Fire doors should be installed by a competent person with the knowledge and experience to follow the manufacturer’s installation requirements. Many organisations choose certified fire door installers to help demonstrate compliance.

Can an existing fire door be reused?

Possibly. If the existing fire door remains in good condition and passes inspection, it may be retained. However, damaged or altered doors often require replacement to maintain compliance.

Are steel fire doors more expensive than timber fire doors?

Generally, yes. Steel fire doors usually cost more than timber fire doors because of their construction, durability and typical use within commercial buildings and high risk environments.

What is included in a fire door installation?

A typical installation includes the door leaf, hardware, smoke seals, self closing devices, installation labour and certification documentation. Some quotations also include fire door supply and disposal of the old door.

How long does it take to install a fire door?

A straightforward single door installation may take a few hours, while larger commercial projects involving multiple doors are usually completed over several days or weeks depending on the scope of work.

Why are smoke seals important?

Smoke seals help prevent smoke spreading through a building during the early stages of a fire, protecting escape routes and improving occupant safety.

How often should fire doors be inspected?

Inspection frequency depends on the building and its use, but commercial properties should carry out regular inspections as part of their ongoing maintenance programme.

Can damaged fire doors be repaired?

Some defects can be resolved through fire door repairs, but significant damage to the door leaf, frame or certified components may require complete replacement.

Why is certification documentation important?

Certification documentation demonstrates that the installation has been completed using certified products and appropriate installation methods, supporting regulatory compliance and future inspections.

Does installing multiple doors reduce costs?

Yes. Installing multiple doors during one project usually reduces the average door installation cost because labour, travel and certification activities are spread across the entire installation.

What is an FD30 fire door?

An FD30 fire door is designed to resist fire for at least 30 minutes when installed correctly as part of a tested fire door assembly. They are commonly used in offices, flats, apartment buildings and other commercial premises to help protect escape routes and slow the spread of fire.

How much does an FD30 fire door cost?

The door itself typically costs between £65 and £200, although the total installation cost is higher once labour, certified hardware, smoke seals and certification documentation are included. Installation of FD30 fire doors typically costs around £65 to £600 depending on the specification and whether a new frame is required.

What is an FD60 fire door?

An FD60 fire door is designed to provide 60 minutes of fire resistance. These doors are often specified where a higher level of compartmentation is required, particularly within larger commercial buildings or higher-risk areas.

What is an FD120 fire door?

An FD120 fire door provides up to 120 minutes of fire resistance. They are typically used in specialist commercial or industrial environments where enhanced fire protection forms part of the building’s fire strategy.

How much does labour cost for fire door installation?

Professional installation typically costs between £150 and £400 per door, depending on the complexity of the project. Labour costs commonly average around £40 per hour, although specialist installations or out-of-hours working may increase this to £100 per hour.

Why do steel fire doors cost more?

Steel fire doors generally cost between £1,000 and £3,500 installed. Their heavier construction, higher durability and use within demanding commercial environments contribute to the higher price compared with many timber fire doors.

Why are fire-rated doors more expensive than standard doors?

Fire-rated doors undergo rigorous testing and certification and are manufactured using specialist materials designed to achieve a specific fire resistance rating. They also require compatible hardware, smoke seals and professional installation to ensure they perform correctly during a fire.

How often should fire doors be inspected?

As a general guide, fire doors should be inspected at least every six months. However, buildings over 11 metres in height are subject to additional requirements, with communal fire doors expected to be checked every three months to help maintain ongoing safety and compliance.

Are certified fire doors required in new developments?

Yes. Certified fire doors are now standard across many new developments, with more than 70% of new multi-occupancy developments requiring certified fire doors as part of their fire safety strategy and compliance with current building regulations.