{"id":3240,"date":"2026-06-11T10:06:48","date_gmt":"2026-06-11T10:06:48","guid":{"rendered":"https:\/\/www.expressdoorsdirect.co.uk\/blog\/?p=3240"},"modified":"2026-06-11T15:05:35","modified_gmt":"2026-06-11T15:05:35","slug":"solid-core-vs-hollow-core-doors-what-to-fit-and-where","status":"publish","type":"post","link":"https:\/\/www.expressdoorsdirect.co.uk\/blog\/solid-core-vs-hollow-core-doors-what-to-fit-and-where\/","title":{"rendered":"Solid Core vs Hollow Core Doors: What to Fit and Where"},"content":{"rendered":"\n

Choosing solid core vs hollow core doors is one of those decisions that looks simple until you\u2019re actually on the job.<\/p>\n\n\n\n

The customer wants something that looks good. You need something that fits properly, suits the room, stays within budget and doesn\u2019t come back to bite you later. That\u2019s where the core matters.<\/p>\n\n\n\n

A door\u2019s core affects how it feels, how it handles, how much noise it blocks, how durable it is and whether it\u2019s suitable for the space. Get it right and the job runs smoothly. Get it wrong and you can end up with dents, noise complaints, doors that feel cheap or a customer wondering why the \u201cnew doors\u201d don\u2019t feel much better than the old ones.<\/p>\n\n\n\n

Choosing the right door for the job<\/a> is important. In this guide we\u2019re going to break down the real-world difference between solid core and hollow core doors, where each one works and what to fit depending on the job.<\/p>\n\n\n\n

As Matt Shaw, Technical Director here at Express Doors Direct, explains:<\/p>\n\n\n\n

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\u201cA door core isn\u2019t just a technical detail. It changes how the door feels, how it performs and where it should be used. If the customer wants something that feels like a proper upgrade, the core is usually where that starts.\u201d<\/em><\/p>\n<\/blockquote>\n\n\n\n

Table of Contents:<\/strong>

What is a hollow core door?<\/a>
What is a solid core door?<\/a>
The Main Differences: Feel, Weight & Performance<\/a>
Are hollow core doors any good?<\/a>
Are solid core doors worth the extra money?<\/a>
Where to Fit Hollow Core Doors<\/a>
Where to Fit Solid Core Doors<\/a>
Solid Core vs Hollow Core Doors for Sound Reduction<\/a>
Solid Core vs Hollow Core Doors for Durability<\/a>
Solid Core vs Hollow Core Doors for Fire Doors<\/a>
Solid Core vs Hollow Core Doors for Bathrooms<\/a>
Solid Core vs Hollow Core Doors for Bedrooms<\/a>
Solid Core vs Hollow Core Doors for Home Offices<\/a>
Solid Core vs Hollow Core Doors for Rental Properties<\/a>
Solid Core vs Hollow Core Doors for Whole-House Replacements<\/a>
What about semi-solid core doors?<\/a>
Trimming: Check Before You Cut<\/a>
Hinges and Hardware: Match The Weight<\/a>
Finishing Options<\/a>
Common Mistakes to Avoid<\/a>
How to Explain the Difference to Customers<\/a>
<\/p>\n\n\n\n

What Is a Hollow Core Door?<\/h2>\n\n\n\n
<\/div>\n\n\n\n

A hollow core door is a lightweight internal door<\/a> with a hollow or semi-hollow centre, often supported by a honeycomb-style cardboard or lightweight internal structure with a solid timber lock block and frame. The outside faces are usually made from thin timber, MDF or moulded skins.<\/p>\n\n\n\n

They\u2019re designed to be affordable, easy to handle and quick to fit. That makes them useful on certain jobs, especially where budget and speed matter.<\/p>\n\n\n\n

A hollow core door is not automatically a bad door as some people might think. It just has a specific place. Problems usually start when it\u2019s fitted somewhere the customer expects more strength, more sound reduction or a more premium feel.<\/p>\n\n\n\n

In practice, hollow core doors are best for low-traffic areas, cupboards, utility spaces, budget refurbs and quick rental refreshes. They\u2019re less suitable for busy family homes, home offices, bedrooms where privacy matters, or anywhere the customer has asked for a \u201csolid\u201d upgrade.<\/p>\n\n\n\n

\"What<\/figure>\n\n\n\n

What Is a Solid Core Door?<\/h2>\n\n\n\n
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A solid core door<\/a> has a dense internal core, often made from engineered timber, particleboard, MDF or another composite material that\u2019s then reinforced with a solid timber frame and real wood veneer. This gives the door more weight and substance than a hollow core alternative.<\/p>\n\n\n\n

That extra density is the key difference. It helps the door feel more solid, improves durability and gives better sound reduction. Solid core doors are widely recognised as offering better sound and heat insulation than hollow core doors because of their added density and weight.<\/p>\n\n\n\n

Solid core doors cost more<\/a>, and they\u2019re heavier to move and hang, but they\u2019re usually the right call where the customer wants a better finish, more privacy or a door that feels like a proper upgrade.<\/p>\n\n\n\n

They work well in bedrooms, living rooms, home offices, family homes, higher-spec renovations and whole-house replacements where consistency matters.<\/p>\n\n\n\n

The Main Difference: Feel, Weight and Performance<\/h2>\n\n\n\n
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The easiest way to explain it to a customer is this\u2026 hollow core doors are lighter and cheaper, solid core doors feel stronger and perform better.<\/p>\n\n\n\n

A hollow core door will do the basic job of closing off a room. A solid core door does that while also feeling more substantial, reducing more noise and standing up better to daily knocks.<\/p>\n\n\n\n

That doesn\u2019t mean every internal door needs to be solid core, though. On a tight-budget refurb, fitting solid core doors throughout might not make much sense. But in the rooms people use most or in a home where the customer is all about long term quality, solid core is usually the better recommendation.<\/p>\n\n\n\n

Matt puts it simply:<\/p>\n\n\n\n

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\u201cIf it\u2019s a cupboard or a low-use room, hollow core can make sense. If it\u2019s a bedroom, office, hallway or main living area, solid core is usually the safer bet.\u201d<\/em><\/p>\n<\/blockquote>\n\n\n\n

Are Hollow Core Doors Any Good?<\/h2>\n\n\n\n
<\/div>\n\n\n\n

Yes, when they\u2019re used in the right place.<\/p>\n\n\n\n

Hollow core doors are good for jobs where cost, speed and light handling matter more than acoustic performance or durability. They\u2019re easier to carry through a property, easier to hang because of the reduced weight and usually a fair amount cheaper to buy.<\/p>\n\n\n\n

That makes them especially useful for landlords, quick turnaround jobs and rooms where the door won\u2019t take much abuse.<\/p>\n\n\n\n

Where hollow core doors struggle is impact resistance and sound reduction. They can feel flimsy compared with solid core options and are more likely to dent or damage if they\u2019re knocked. If the customer is replacing poor-quality doors because the house feels cheap or noisy, fitting another lightweight door probably won\u2019t solve the problem.<\/p>\n\n\n\n

Are hollow core doors worth fitting?<\/h3>\n\n\n\n

Yes, for low-traffic, budget-sensitive internal spaces. No, if the customer expects better sound reduction, durability or a more premium feel.<\/p>\n\n\n\n

What\u2019s the cost difference between hollow core and solid core doors? <\/h3>\n\n\n\n

In the UK, the average cost difference is usually around \u00a380-\u00a3200 more per door for solid core compared with hollow core, depending on style, finish, brand and size.<\/p>\n\n\n\n

Some trade door suppliers list basic hollow core doors from around \u00a340-\u00a350, while mid-range solid core doors often start closer to \u00a3100-\u00a3120 and can run much higher for oak, prefinished, glazed or fire-rated options.<\/p>\n\n\n\n

Fitting costs can vary too. As a rough guide, a client can expect a solid core door to cost around \u00a350 more per door to fit on average than a hollow core door, assuming it\u2019s a standard like-for-like replacement into an existing frame.<\/p>\n\n\n\n

Some tradies put internal door fitting costs anywhere from \u00a340-\u00a3150 per door, with broader estimates reaching \u00a3100-\u00a3350 per door depending on the job, hardware and complexity.<\/p>\n\n\n\n

What affects fitting cost more than the core?<\/h3>\n\n\n\n

The biggest cost movers are usually:<\/p>\n\n\n\n