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01 · Ask
External, internal or bifold?
Very different jobs, very different specs. Describe what you need and the AI tells you what to ask for.
Replace your internal doors.
Slab or pre-hung — supplied, fitted and disposed of, with a clean reveal and refitted hardware.
✓ Updated May 2026✓ Free quotes✓ Vetted pros
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Hire a door installer. PAS 24 or don't open it.
Read the brief on PAS 24, threshold heights and lock specs — then let Three local installers quote.
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02 · Read the brief
Walk in informed
PAS 24 security, Part M accessibility, multi-point locks, threshold heights, U-values. Know the standards.
60 seconds
03 · Compare
Compare 3 door quotes
Three local installers quote on the same spec — door, frame, lock, threshold — so you compare like-for-like.
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Top tips
Hiring a doors, without the regret.
Four moves that separate a smooth job from a nightmare.
PAS 24 for external doors.
PAS 24:2022 is the security standard for external doors. Specify it on the quote — most insurers expect it.
Composite vs uPVC vs timber.
Composite: 25+ year life, premium look. uPVC: 15–20 years, cheap. Timber: needs painting every 5 years. Match the material to the door's job.
Get the threshold detail right.
Low-threshold (10mm) is Part M-compliant for accessibility. Standard (25mm) is harder for prams and wheelchairs. Specify which on the quote.
Multipoint lock spec matters.
3-point and 5-point multi-locks differ in security and price. For external doors, 3-point hooks + 2-point bolts is the standard for insurance compliance.
Costs & timeline
Know what it costs. Know when it ends.
Indicative UK ranges and what affects price.
Cost range
By job type
Inc. VAT · 2026
Source: NMT quotes
Source: NMT quotes
uPVC front door (fitted)
£700–£1.5k
Composite front door (fitted)
£1.1k–£2.5k
Hardwood timber door
£1.5k–£4k
Bifold doors (per leaf)Aluminium
£800–£1.8k
French doors (pair, fitted)
£1.2k–£3.5k
Internal door + fitInc. ironmongery
£120–£400
!
Quote spread is typically ± 18% — always get 3 quotes.
At a glance
Infographic · VideoThe Doors briefing.
Infographic
Doors quick-view
Video guide
Doors explained
Internal doors are one of those everyday-use items that quietly affect home feel and value. The right choice — material, style, hardware — balances cost with longevity. This guide covers what UK internal door installations cost in 2026 and how to choose.
What's Involved
- Survey existing frame, hinges, lining.
- Door measured and trimmed to fit (rarely off-the-shelf perfect).
- Hinges chiseled into frame and door.
- Latch/lock mortised in.
- Handle furniture fitted.
- Final hanging and adjustment.
Typical Costs
| Type | Door £ | Installed £ |
|---|---|---|
| Internal moulded panel | 40-90 | 120-220 |
| Solid oak veneer | 120-220 | 200-400 |
| Solid oak / hardwood | 200-400 | 350-650 |
| Glass internal door | 200-500 | 350-750 |
| Pre-hung set (frame + door) | 150-350 | 250-550 |
Choose a Fitter
- Carpenter / joiner with door experience.
- Trade body membership (Guild of Master Craftsmen, FMB).
- Photos of previous doors.
- Fixed-price quote with door + labour itemised.
UK Regulations
- Fire doors (FD30) required for habitable rooms off integral garages.
- Building Regs Part B (fire safety).
Common Problems
- Door binding/sticking — old frame out of plumb.
- Latch mis-aligned with strike — adjustment needed.
- Wrong handing — handles on wrong side.
- Cheap MDF doors warp in damp areas.
FAQs
What size internal door?
UK standard: 1981×762mm or 1981×838mm. Wider for accessibility. Pre-hung sets simplify.
Solid or hollow core?
Solid for sound + security. Hollow for budget. Mid-range engineered cores are good compromise.
Oak or painted?
Oak natural for warmth. Painted for matching modern decor. Cost similar mid-range.
Will fitter trim to size?
Yes — UK doors typically need trimming. Allow 5-10mm trim allowance.
How long to fit a door?
1-2 hours per door for hanging into existing frame. Longer for new lining/frame.
Average lifespan?
Quality timber 30+ years. Painted MDF 10-20 years.
This guide was written with AI assistance and is intended for general information only. Prices are estimates based on UK averages and may vary by region. Always get at least three quotes and consult a qualified professional before starting any work.
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Keep reading
VIEW ALL DOORS GUIDES →More doors guides.
Guide
Front Doors — Cost & UK Install Guide
Front doors UK 2026: composite, uPVC, timber, aluminium compared. Security, install costs, choose a fitter.
READ GUIDE →GuideComposite Front Doors — UK Buyer's Guide
Composite front doors: GRP skin, insulated core, multi-point locks. UK 2026 prices and brand comparison.
READ GUIDE →GuideuPVC Front Doors — UK Buyer's Guide
uPVC front doors: budget-friendly options for UK homes. Costs, security, and when uPVC suits.
READ GUIDE →GuideTimber Front Doors — UK Heritage Guide & Cost
Timber front doors: heritage character, premium look, full maintenance commitment. UK 2026 costs.
READ GUIDE →GuideAluminium Front Doors — UK Cost & Buyer's Guide
Aluminium front doors offer slim sightlines, modern aesthetics and long lifespans. UK costs, security, thermal performance and install.
READ GUIDE →GuideBack Doors — UK Replacement Cost & Install Guide
Back doors take more abuse than front doors. UK replacement options, costs, security and which materials handle wet garden conditions.
READ GUIDE →