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Internal Fire Doors

Order Internal Fire Doors Designed Online with Supply-Only & Full Fitting Available

You can design and order your own internal fire doors, using a wide range of payment options, including Klarna, 0% interest-free finance on selected products up to £2,000, Google Pay, Apple Pay and most major cards.

For customers paying with one of the finance plans, they will receive a speedy decision of approval online, meaning you will know instantly if you have been approved or not.

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The prices of all our internal fire doors include:

  • 10-Year manufacturer warranty
  • Expert measuring, fitting, and VAT
  • Supply-only and full fitting options
  • Fitted by vetted experts & installers
  • Winkhaus multi-point lock system

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Installing internal fire doors for your home

For great resistance against fire and smoke, internal fire doors are a brilliant investment, using fire retardant additives on top of the wood and GRP to make them super secure and safe.

We make sure you can customise your doors to your hearts content, with an array of styles and designs for the doors and glass panels to add some elegance and flair to your doors.

An internal fire door works superbly in both modern and historical properties, bringing the best out of both when installed.

Also, if you are looking to add some features to your FD30 fire doors, there are door closers, eye viewers and more to choose from.

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Internal fire doors styles & designs

There is a collection of different styles that you can have for your internal fire doors, allowing you to make your composite fire door unique to you.

Flush, Espirit and Lotus are just some of the designs you can have for your internal FD30 fire doors, so you can make the door suit your home whilst also relying on its protective component.

Internal composite fire doors are available in a wide variety of RAL and standard colours, with white, anthracite grey and black being some of the most popular amongst homeowners.

Get your own fixed quote for internal fire doors below!

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Why homeowners install internal fire doors

As the name suggests, an internal fire doors is highly resistant to fire and smoke, lasting well over the 30 minute requirement for a fire door and helping to keep you safe.

Internal fire doors will be installed inside your home, rather than an external fire door which will likely be a front door. This means it can help protect you from any fires or smoke that you might get inside your home.

Tests and 3rd party audits are done for the fire doors to ensure there is a consistency in the manufacturing and that the doors qualify for the certifications necessary.

Alongside the fire resistance, these composite fire doors are energy efficient, stylish and reliable, making them a great long term purchase for anyone.

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Benefits of internal composite fire doors

Getting internal fire doors in your property will come with a list of advantages for you and your home, with some of the features being:

  • Winkhaus FireFrame®
  • Thermally broken aluminium threshold
  • Security chain as standard
  • Low maintenance
  • Made-to-order

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Flexible new door finance options for all budgets and households.

We offer a number of ways to pay for all our new doors, to make it affordable for any budget.

0% interest-free

Finance with Klarna

Finance with Klarna is available at checkout on fitted products, depending on criteria.

Buy now pay later

Buy now, pay later

You can buy now and not pay a penny for 6 months on selected door ranges.

Monthly payments

Low monthly payments

Pay over 3, 5, 7, or 10 years interest bearing finance, with fast approval decisions

Pay in full

Pay in full

You can pay by debit or credit card in full using our secure online checkout system.

Internal FD30 doors made-to-order

We do not stock any of our internal fire doors as they are all bespoke, but they do have extremely fast lead times, with manufacturing and delivery to be done in just a few weeks.

When internal FD30 fire doors are being personalised to you, they can be between 2077 mm-2742 mm tall and between 810 mm-1082 mm wide, so you can get the specific size you need for your home.

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Getting a new door is something that can take quite a bit of time and effort, so making sure you get the right one for your house is important.

You will also want the doors to last as long as possible, which is why internal fire doors can last over 25 years, especially when they are properly maintained.

An internal fire door is easy to maintain, as it only requires soap and warm water, but regular service is also recommended to make them last for a very long time.

3rd party audits are done on all FD30 doors to ensure that they quality for the certifications and that the manufacturer has consistency when producing the doors.

They are tested against fire and smoke, with this range of internal fire doors lasting well over the minimum 30 minutes, giving you a high-standard of protection against flames and smoke.


Internal fire doors can vary in price, with some doors being lower than £100 without installation fees.

Fire doors at this price might not be considered the best quality and don’t include the price of installation, along with any optional extras you might want.

The usual average cost of an internal fire door is around £190, with this potentially increasing based on the finish, extras and measurements of the door.

Much like standard composite doors, internal fire doors are made from timber and glass-reinforced polymer (GRP) but have an added intumescent to make them fire resistant.

So in the event of a fire, an FD30 door will fair much better in the event of a fire.

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