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Fire Doors — Expert Guide

Fire Door Costs: Supply and Fit Prices for FD30 and FD60

By the DC Fire & Security engineering team — installing and maintaining fire and security systems since 2010. Updated June 2026.

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Quick answer

Supply-and-fit fire door pricing in 2026: internal FD30 doors £600–£1,200 each installed; flat entrance FD30S doorsets £850–£1,600; FD60 doors add 30–60%; glazed apertures add £150–£400. Volume programmes (blocks, schools) bring per-door rates down 15–30%. The certification chain — doorset or certificated installer — is what separates a fire door from an expensive door.

The price menu, decomposed

ItemRange installedNotes
Internal FD30 (corridor/office)£600–£1,200Leaf, frame works, seals, furniture, certification
Flat entrance FD30S doorset£850–£1,600Complete certified doorset + closer + letterplate/viewer rated
FD60 doors+30–60% on FD30Heavier cores, spec hardware
Glazed vision panels+£150–£400Fire glass + certified glazing system
Riser/cupboard doorsets£500–£900Smaller leaves, keep-locked logic
Volume programmes (10+ doors)−15–30% per doorMobilisation amortised; blocks and schools
Frame replacement where needed+£150–£400Fire doors are assemblies — rotten frames void leaves

Doorsets vs door blanks: the certification fork

Two compliant routes exist: certified doorsets (leaf + frame + seals + hardware tested and supplied as one unit — fitted per manufacturer instructions, certification travels with the product; the post-Grenfell direction of travel, mandatory thinking for flat entrances) versus leaf-and-frame assembly by certificated installers (FIRAS/BM TRADA installer schemes evidencing the workmanship that makes components perform as tested). Doorsets cost 10–25% more in product, less in labour risk; site-assembled doors lean entirely on installer competence and documentation. What fails inspections later is the third route — a fire-rated leaf hung by a general chippy into an existing frame with whatever hinges were van-stock: each component arguably fine, the assembly unevidenceable (the identification guide's 'cannot prove' bucket, freshly manufactured).

Getting quotes that mean something

Fire door quotes compare only when they state: certification route (doorset product certification or installer scheme — named), full assembly scope (frame condition addressed, seals, closers per the closers guide, rated furniture and any letterplates/viewers per the modification rules), gap-setting to tolerance (the 3mm discipline — installation is where gaps are born), documentation deliverables (installation certificates, doorset data, photographic records — the golden-thread expectation in blocks), and making-good/decoration boundaries. Volume buyers (agents running flat-entrance programmes per the flats regulations guide, schools phasing per budget years) should demand per-door schedules with condition-dependent pricing bands — survey-light volume quotes hide condition risk in either their price or your variation orders. Our installation page details the certificated process; the survey produces door-by-door honesty before any number is promised.

Frequently Asked Questions

Why do flat entrance doors cost more than internal fire doors?
They're FD30S security-and-fire doorsets: smoke seals, certified locks/furniture, rated letterplates and viewers, plus the certification weight post-Grenfell procurement demands. £850–£1,600 buys the complete evidenced assembly.
Can you just replace the leaf and keep our frame?
Where frames are sound and compatible: sometimes, within certification rules. Rotten, undersized or non-fire frames void the exercise — assemblies perform, not leaves (surveys answer it door by door).
What does a whole-block flat-door programme cost?
Volume rates: 20–40 doors typically land £750–£1,200/door installed with full documentation — phasing, resident liaison and Section 20 packs included in how we run them (the flats regulation guide's remediation context).
Are £300 'fire doors' from builders' merchants real?
The leaf may be — installed without rated components, tolerance-set gaps and certification, the assembly isn't. The merchant sold a core; compliance is the system around it.

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