
Internal Door – Complete Guide to Glass, Wood and Black Doors
Choosing the right internal door can change the feel of a home, but with so many materials, styles, and retailers available, the options can feel overwhelming. This guide covers the practical differences between glass, wood, black, and framed internal doors, and explains where to find them in the UK.
Whether you are renovating a single room or fitting an entire house, understanding the basics of door construction, sizing, and fire safety will help you make a confident choice. The information below is based on current UK market data and retailer listings.
Internal Doors with Glass: Styles and Options
Allow light to flow between rooms, available in clear, frosted, or patterned glass.
Classic style, various wood types (oak, walnut, pine) and finishes.
Modern trend, often painted or laminate, versatile for contemporary homes.
Pre-framed sets simplify installation; suitable for new builds or renovations.
- Glass internal doors are popular for connecting spaces without blocking natural light.
- Wooden doors remain the top choice for traditional interiors and offer good sound insulation.
- Black doors are a rising trend for creating contrast, but require care to maintain the finish.
- Choosing a door with a pre-hung frame can reduce installation time but may cost more.
- Fire-rated doors (FD30) are required in certain locations under UK building regulations.
- Standard UK sizes are 1981mm x 762mm, with other widths such as 838mm and 686mm also common.
- Prices range from around £30 for basic white doors to £300+ for solid oak or designer models.
| Feature | Details |
|---|---|
| Standard Sizes | 1981mm x 762mm (UK standard), also 838mm and 686mm widths. |
| Materials | Solid wood, engineered wood, laminate, glass (in panels), MDF, HDF. |
| Price Range | From £30 (basic white) to £300+ (solid oak or designer doors). |
| Common Features | Glazed, fire-rated, soundproof, pre-finished (white, black, oak). |
| Glass Options | Clear, frosted, textured – clear maximises light, textured reduces smudges. |
| Fire Rated (FD30) | Available in black oak and other finishes; check for intact certification stamp. |
| Black Framed Glass Doors | Widely available from specialist retailers like Express Doors Direct, Vivid Doors, Oakwood Doors. |
| B&Q / Screwfix Availability | Pre-finished black glass doors are not prominently stocked; white primed and oak are common. |
| Solid Core vs Semi-Solid | Solid core offers better sound and heat insulation but is heavier and more expensive. |
| Cutting Limits | Most specialist doors can be trimmed up to 10mm in width/height – always check with retailer. |
Wooden Internal Doors: What Are Your Choices?
Wooden internal doors are a long-standing favourite for their appearance and acoustic properties. The main options are solid oak, engineered wood, and laminate.
What types of wood are used for internal doors?
Solid oak provides a premium, durable surface and is often chosen for period properties. Walnut and pine are also available, with pine being a more affordable natural wood. Engineered wood doors combine a real wood veneer with a composite core, offering stability at a lower cost than solid timber.
How do wooden doors compare to laminate doors?
Laminate doors are a budget-friendly alternative, with prices starting around £75 for black laminate models. They are resistant to scratches and moisture, but lack the natural grain and feel of real wood. Solid oak doors typically cost between £150 and £400, depending on the design.
Solid-core wooden doors (heavyweight) provide noticeably better soundproofing than semi-solid or hollow-core doors. If reducing noise between rooms is a priority, choose a solid oak or engineered solid-core door.
Black Internal Doors: Are They a Trend Worth Following?
Black internal doors have become a popular choice for modern interiors, adding contrast and a clean architectural line. However, not all black doors are the same, and availability varies by retailer.
Does black paint show marks easily?
Gloss or semi-gloss black finishes tend to show fingerprints and dust more than matte or textured finishes. Black laminate doors are generally easier to wipe clean than painted wood. The long-term durability of a black finish depends on the quality of the paint or laminate layer.
Which rooms suit black internal doors?
Black doors work well in living rooms, home offices, and bedrooms where a bold statement is desired. In kitchens or bathrooms, fire-rated or moisture-resistant black options should be considered. Specialist retailers such as Vivid Doors and Oakwood Doors offer a range of black finishes, including fire-rated models.
If you are placing a black door in a kitchen or on an escape route, verify it carries an FD30 fire certification. Black fire-rated oak doors are available from Leadertrade and other specialists. The certification label must be intact and visible after installation.
Internal Doors with Frame: What You Need to Know
Many retailers sell internal doors as part of a door set, which includes the door, frame, and sometimes hinges. This can simplify installation, especially for new builds.
Is it better to buy doors with or without a frame?
Pre-framed door sets are quicker to install because the frame is already assembled to the correct size. They are ideal for standard openings and when replacing an old frame. Buying a door only (without frame) is cheaper and offers more flexibility, but requires the existing frame to be in good condition.
What frame materials are available?
Frames are typically made from softwood, hardwood, or MDF. Softwood frames are the most common and cost-effective, while hardwood frames offer greater durability. For black doors, a black steel or matching painted frame is often recommended to maintain a cohesive look.
Where to Buy Internal Doors: B&Q vs Screwfix vs Others
The major UK retailers B&Q and Screwfix stock a wide range of internal doors, but their selection of black-framed glass doors is limited. Specialist online retailers often have a more extensive collection.
What internal doors does B&Q sell?
B&Q Internal Doors include white primed, oak, and fire-rated options. They rarely carry pre-finished black glass doors. Their budget range starts at around £40.
What internal doors does Screwfix offer?
Screwfix Internal Doors include oak, white primed, and fire-rated models. Like B&Q, black glass doors are not typically part of their standard catalogue.
Which retailer has the best selection of black glass internal doors?
Specialist retailers such as Express Doors Direct, Vivid Doors, and Oakwood Doors offer a wide variety of black-framed glass doors, with prices from £78 to £897. They also stock black fire-rated doors and models with different glazing options.
How Have Internal Door Styles Changed Over Time?
- Early 20th century: Panel doors made from solid timber were the standard, often painted or varnished.
- 1960s–1970s: Flush doors (smooth, flat surfaces) became popular for their clean lines and lower cost.
- 2000s: Glass panels and black finishes gained traction, driven by the demand for open-plan living and modern aesthetics.
- Today: Fire-rated, glazed, and black internal doors are widely available from specialist retailers, while major chains focus on white and oak ranges.
What Is Known and What Is Uncertain About Internal Doors?
| Established information | Information that remains unclear |
|---|---|
| Glass, wood, and black doors are widely available from major UK retailers and specialists. | Exact stock and pricing at B&Q and Screwfix vary by store and season. |
| Standard door sizes are fixed (e.g., 1981mm x 762mm). | Quality differences between brands are not easily quantified without hands-on review. |
| Fire doors must be compliant with UK building regulations (Approved Document B). | Long-term durability of black paint versus laminate finish depends on usage and care. |
What Factors Should You Consider When Choosing an Internal Door?
The choice depends on the room’s function, your budget, and the desired style. For rooms that need natural light, glass doors are a strong option. For soundproofing, a solid wood door is more effective. For a modern look, black or matte finishes work well. For tight budgets, white laminate doors offer the lowest entry price, starting at around £30.
Installation method also matters. Pre-framed door sets are easier for DIY fitting, while door-only purchases require a sound existing frame. Always measure the opening accurately – the standard UK height is 1981mm, but check for deviations.
What Are the Key Sources for Internal Door Information?
Reliable information can be found on retailer product pages, manufacturer specifications, and UK building regulation documents. The UK Building Regulations Door Requirements site provides details on fire safety standards. Specialist retailers often publish detailed product descriptions that include dimensions, materials, and fire ratings.
“B&Q and Screwfix do not prominently stock pre-finished black-framed glass internal doors; these are primarily available through specialist door retailers like Express Doors Direct, Vivid Doors, and Oakwood Doors.”
— Current UK market analysis, 2025
What Is the Next Step After Choosing an Internal Door?
Once you have selected a door, measure the door opening accurately, choose compatible hinges and handles, and decide whether to install yourself or hire a professional. Check if the door is pre-finished or requires painting. For a full guide on fitting, see our article on Black internal doors and FD30 fire doors for internal use.
Frequently Asked Questions
What internal doors does Screwfix offer?
Screwfix stocks a range of internal doors including oak, white primed, and fire-rated options. Visit their website for current stock.
Do internal doors come pre-framed?
Yes, many internal doors are sold with prefitted frames (door sets) for easier installation. Check product details before purchase.
What is the standard size of an internal door in the UK?
The standard UK internal door size is 1981mm high by 762mm wide (6ft6 x 2ft6). Other widths like 838mm and 686mm are also common.
How do I choose between a wooden and a glass internal door?
Choose wood for privacy and sound reduction; choose glass for light transmission and open feel. Combination doors offer both.
Are black internal doors worth buying?
Black doors are a popular modern choice, but they require regular cleaning of fingerprints and may show marks more than white doors. Laminate finishes are easier to maintain.
What internal doors does B&Q sell?
B&Q sells white primed, oak, and fire-rated internal doors. Black glass doors are not typically in their standard range.
Do I need a fire door for my kitchen?
UK building regulations often require a fire door (FD30) between a kitchen and an escape route, especially in new builds or renovations. Check with a qualified installer.
How much does a good internal door cost?
Prices range from £30 for basic white doors to £300+ for solid oak or designer models. Black glass doors from specialists cost between £78 and £897.