Fire Door Inspections: A Complete Guide for Property Managers

Why Fire Door Inspections Matter

Fire doors are one of the most critical passive fire safety measures in any building. Their primary role is to compartmentalise a structure, slowing the spread of fire and smoke to give occupants time to evacuate safely. Yet despite their importance, fire doors are among the most commonly neglected elements in building maintenance programmes.

In the UK, fire door compliance is governed by several key pieces of legislation. The Regulatory Reform (Fire Safety) Order 2005 (commonly known as the RRO or FSO) places a duty on the "responsible person" for a building to carry out a fire risk assessment and ensure that fire safety measures, including fire doors, are properly maintained. Failure to comply with this order can result in enforcement action, fines, or even imprisonment.

The Fire Safety Act 2021 further strengthened these requirements, particularly for multi-occupied residential buildings. The Act clarified that the scope of fire risk assessments extends to the structure, external walls, and flat entrance doors in blocks of flats. This means that property managers and landlords can no longer overlook the condition of individual flat entrance doors when conducting their fire safety reviews.

For property managers, the message is clear: fire door inspections are not optional. They are a legal obligation, and the consequences of neglecting them can be severe, both in human and financial terms.

What Inspectors Look For During a Fire Door Survey

A thorough fire door inspection covers a wide range of components, each of which plays a role in the door's ability to perform during a fire. Here are the key areas that a qualified inspector will assess.

Gaps and Clearances

The gaps between the door leaf and the frame must fall within acceptable tolerances. The gap at the top and sides should generally be no more than 3mm when the door is closed, while the gap at the bottom (threshold) may be slightly larger depending on the type of seal fitted. Excessive gaps compromise the door's ability to prevent the passage of smoke and fire.

Intumescent Seals and Smoke Seals

Fire doors rely on intumescent strips that expand when exposed to heat, sealing the gap between the door and the frame. Smoke seals (often a brush or rubber strip) prevent cold smoke from passing through before temperatures rise. Inspectors will check that these seals are present, intact, continuous, and correctly fitted. Missing, damaged, or painted-over seals are among the most common defects found.

Self-Closing Mechanisms

Every fire door must be fitted with a self-closing device that pulls the door fully into its frame from any angle of opening. Inspectors test that the closer operates smoothly and that the door latches securely without manual assistance. A fire door that does not close and latch on its own is, in effect, not a fire door at all.

Door Leaf and Frame Condition

The physical condition of the door leaf and frame is examined for signs of damage, warping, delamination, or unauthorised modification. Any alterations to the door, such as drilling holes for cables, fitting letter boxes, or cutting the bottom to clear new flooring, can void its fire rating.

Glazing

If the fire door contains glazed panels, the glass must be fire-rated and held in place with appropriate fire-resistant beading and intumescent glazing tape. Standard glass will shatter quickly in a fire, creating a breach in the door's protection.

Signage

Fire doors should display appropriate signage, typically "Fire Door Keep Shut" or "Fire Door Keep Locked." Inspectors check that signage is present, legible, and correctly positioned on both sides of the door where required.

Hinges and Hardware

Fire doors must be hung on three or more hinges that are CE/UKCA marked and rated for fire use. Inspectors also check that all hardware (handles, locks, latches) is compatible with the door's fire rating and functioning correctly.

How Often Should Fire Doors Be Inspected?

There is no single prescriptive frequency set out in legislation, but industry guidance provides clear recommendations that property managers should follow.

Quarterly Checks

BS 9999 and guidance from the Fire Door Inspection Scheme (FDIS) recommend that fire doors in communal areas of residential buildings are checked at least every three months. These quarterly checks can be carried out by a competent person on site, such as a trained facilities manager or caretaker. They should cover basic visual checks: does the door close fully, are seals intact, is there visible damage, and is signage in place?

Six-Monthly Inspections for Flat Entrance Doors

Following the Fire Safety Act 2021, flat entrance doors in high-rise residential buildings (over 11 metres) should be inspected every six months. For buildings below this threshold, annual inspections are generally considered acceptable, though more frequent checks are always advisable.

Annual Professional Inspections

A full professional inspection by a qualified fire door inspector (ideally holding FDIS, BRE, or equivalent certification) should be carried out at least once a year. These inspections are more detailed, covering all the technical aspects described above, and result in a formal report documenting the condition of each door, any defects found, and recommended remedial actions.

After Any Incident or Modification

Fire doors should also be re-inspected after any fire event, flood, forced entry by emergency services, or building modification work that may have affected the door or its frame.

Common Defects and How to Fix Them

Data from thousands of fire door inspections across the UK reveals a consistent pattern of recurring defects. Here are the most frequently identified issues and what to do about them.

Missing or damaged intumescent seals. This is the single most common defect. Seals may have been painted over, removed during maintenance, or simply degraded over time. The fix is straightforward: replace the seals with the correct specification strips for the door's fire rating.

Doors not self-closing properly. Closers may be worn out, incorrectly adjusted, or held open by wedges and other obstructions. Adjust or replace the closer mechanism and remove any items propping the door open. If doors need to be held open for operational reasons, fit hold-open devices linked to the fire alarm system.

Excessive gaps around the door. Gaps exceeding 3mm at the top and sides can often be resolved by adjusting the hinges or fitting new ones. In some cases, the door leaf or frame may need to be replaced entirely if warping or structural movement has occurred.

Unauthorised modifications. Holes drilled for cables, oversized letter boxes, or sections removed from the bottom of the door all compromise its fire integrity. Depending on the extent of the modification, the door may need professional repair using a certified fire door repair kit, or complete replacement.

Missing or incorrect signage. This is the simplest defect to remedy. Ensure all fire doors display the correct signage on the appropriate faces. Self-adhesive signs that meet the relevant standards are widely available and inexpensive.

Damaged or non-fire-rated glazing. If glazed panels are cracked, broken, or not fire-rated, they must be replaced with the correct specification glass and installed with proper intumescent glazing materials.

Defective hinges. Fire doors require a minimum of three CE/UKCA marked hinges rated for the appropriate fire resistance period. Replace any hinges that are loose, missing, or not fire-rated.

The Cost of Non-Compliance

Neglecting fire door maintenance is not just a safety risk; it carries significant legal, financial, and reputational consequences.

Fines and Prosecution

Under the Regulatory Reform (Fire Safety) Order 2005, the responsible person can face unlimited fines and up to two years' imprisonment for serious breaches. The Fire Safety Act 2021 has made enforcement more rigorous, and fire authorities are increasingly issuing enforcement notices, prohibition notices, and prosecutions for non-compliance with fire door maintenance obligations.

In recent years, several high-profile prosecutions have resulted in fines exceeding six figures for organisations that failed to maintain fire doors and other fire safety measures. Housing associations and local authorities have not been exempt from this scrutiny.

Insurance Implications

Building insurance policies typically require that fire safety measures are maintained in good working order. If a fire occurs and an investigation reveals that fire doors were defective or had not been inspected, insurers may reduce or refuse a claim. This could leave property managers and building owners facing enormous uninsured losses.

Liability and Reputation

Beyond the financial penalties, a fire in a building with poorly maintained fire doors can result in serious injury or loss of life. The reputational damage to a property management company or landlord in such circumstances can be devastating and long-lasting. Tenants, leaseholders, and the wider public rightly expect that those responsible for building safety take their obligations seriously.

How Technology Is Streamlining Fire Door Inspections

Traditionally, fire door inspections have been a paper-heavy process. Inspectors would walk through a building with a clipboard, manually noting defects and taking photographs, before returning to the office to compile a report. This approach is time-consuming, prone to inconsistency, and often results in delays before the final report reaches the property manager.

Modern inspection technology is transforming this process. Video-based recording tools now allow inspectors to walk through a building and narrate their findings while capturing continuous footage of every door. This creates a comprehensive visual record that is far richer than a handful of static photographs.

Platforms like AnyInspect take this a step further by combining video recording with artificial intelligence. The inspector records a video walkthrough, speaking naturally about each door's condition and any defects observed. The system then automatically transcribes the narration, extracts key frames from the video, and uses AI to generate a structured inspection report. Each defect is categorised, matched to the relevant door, and presented in a clear, professional format.

This approach delivers several advantages for property managers. Reports are generated faster, often within hours rather than days or weeks. The AI ensures consistency in how defects are recorded and categorised, reducing the variability that can occur between different inspectors. The video evidence provides a complete audit trail, which can be invaluable if questions arise later about the condition of a particular door.

For property managers overseeing large portfolios, the ability to receive standardised, AI-assisted reports across all their buildings creates a clear, comparable picture of fire door compliance. Trends and recurring issues can be identified more easily, enabling a more strategic approach to maintenance and budgeting.

Technology will not replace the expertise of a qualified fire door inspector, but it is making the inspection process more efficient, more consistent, and more transparent. For property managers looking to stay on top of their fire safety obligations, adopting these tools is a practical step towards better compliance and safer buildings.