Plastering FAQs London

Common Questions About Plastering, Skimming & Re-Plastering

Planning plastering work in London? Whether you need a wall skimmed, a ceiling re-plastered, cracks repaired or an entire property renovated, you probably have questions before getting started.

How much does plastering cost?
Do I need skimming or full re-plastering?
How long does plaster take to dry?
Can you plaster over Artex?
When can I paint new plaster?

We’ve answered the most common plastering questions homeowners ask, so you can understand what your project may involve before requesting a quotation.

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🟠 Plastering FAQs at a Glance

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How Much Does Plastering Cost in London?

One of the first questions homeowners ask is:

“How much does a plasterer cost in London?”

There isn’t a single price because every property and plastering project is different.

As a general 2026 guide, you might expect:

The final price can depend on:

Surface condition · Preparation · Property size · Access · Parking · Materials · Ceilings · Location · Type of plastering

💡 Good to know

A price per square metre is only a starting point.

A wall that looks simple in a photograph may require considerable preparation once the existing wallpaper or loose plaster is removed.

[Read our full London Plastering Prices Guide →]

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How Much Does a Plasterer Cost Per Day in London?

A typical London plasterer day rate in 2026 can be around:

£200–£300 / DAY

Rates can vary depending on experience, location, project difficulty and the type of work involved.

Some plasterers work on a day-rate basis, while others provide a fixed quotation for the entire project.

Before accepting a quote, check whether it includes:

• Labour

• Materials

• Preparation

• Plasterboard

• Angle beads

• Protection

• Waste removal

• Making good

Always compare what’s included — not just the final number.

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What Is the Difference Between Skimming & Re-Plastering?

These two terms are often confused.

🟢 SKIMMING

Skimming involves applying a thin finishing coat over a suitable existing surface.

It’s commonly used when walls are generally sound but need a smooth, fresh finish.

Typical use:

Existing plaster is sound → Apply a new finishing coat

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🔴 FULL RE-PLASTERING

Full re-plastering is more extensive.

It may involve removing damaged plaster, preparing the background, carrying out repairs and applying new backing and finishing coats.

Typical use:

Existing plaster is badly damaged → Repair or replace the plaster

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The simple rule:

Good background = skimming may be enough.

Bad background = re-plastering may be required.

The correct solution should always be based on the condition of the existing surface.

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Do I Need Skimming or Full Re-Plastering?

This depends on what’s underneath your existing finish.

Skimming may be suitable when:

• Existing plaster is firmly attached

• Walls are reasonably flat

• Damage is minor

• The surface can accept a new finishing coat

Full re-plastering may be needed when:

• Plaster is loose

• Plaster is blown

• Walls are severely cracked

• Large areas are damaged

• Existing plaster has failed

• The background isn’t suitable for skimming

Putting a fresh skim over a failing background won’t solve the underlying problem.

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How Much Does It Cost to Skim a Room in London?

The cost of skimming a room in London depends on its size, wall condition, ceiling height, access and preparation.

As a rough guide, a medium-sized room could cost:

£400–£750+

The price may increase if the room has:

• Loose plaster

• Old wallpaper

• Cracks

• Damaged corners

• Uneven surfaces

• Numerous holes

• Difficult access

• A ceiling requiring skimming

Every room is different, which is why an accurate quotation is more useful than simply multiplying a price per m².

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How Much Does Ceiling Plastering Cost in London?

Ceiling plastering can cost more than straightforward wall skimming because of the working position, access and preparation involved.

Typical 2026 guide:

£20–£35 per m²

A ceiling may require additional work if it has:

• Cracks

• Water damage

• Loose plaster

• Uneven areas

• Textured coatings

• Poor previous repairs

Some ceilings can simply be skimmed.

Others may need overboarding, plasterboard replacement or additional preparation.

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How Long Does Plastering Take?

There’s no fixed answer.

A straightforward room may sometimes be completed in one or two days, while a larger house or more complicated project can take considerably longer.

The biggest factor is often preparation.

Simple project

Sound surfaces + easy access

↓

Less preparation

↓

Faster completion

Complex project

Damaged surfaces + difficult access

↓

More preparation

↓

Longer project

A professional plasterer should inspect the property before giving you a realistic timeframe.

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How Long Does New Plaster Take to Dry?

Fresh plaster needs time to dry before decorating.

Drying time can depend on:

• Plaster thickness

• Ventilation

• Temperature

• Humidity

• Room size

• Type of plaster

• Amount of plaster applied

Don’t rush the drying process.

Plaster can appear dry on the surface while moisture remains underneath.

Your plasterer should advise you when the surface is ready for decorating.

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When Can I Paint New Plaster?

Wait until the plaster has properly dried before painting.

Once ready, the appropriate first coat or mist coat can be applied before your final decorative coats.

⚠️ Avoid painting too early.

Decorating before the plaster is sufficiently dry can affect the final finish.

If you’re unsure, ask the plasterer who completed the work.

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Can You Plaster Over Old Plaster?

Yes — if the existing plaster is suitable.

Old plaster can often be skimmed when it is:

• Firmly attached

• Relatively flat

• In reasonable condition

• Properly prepared

However, loose, blown or badly damaged plaster may need to be removed and replaced.

The condition of the background matters more than its age.

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Can You Plaster Over Wallpaper?

Generally, wallpaper should be removed before plastering.

Wallpaper can hide damage and old adhesive can interfere with the new plaster.

Removing it allows the plasterer to inspect the actual wall and prepare it properly.

If you’re planning to have a room skimmed, removing wallpaper beforehand can also make the preparation process easier.

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Can You Plaster Over Paint?

Sometimes.

It depends on:

• Type of paint

• Condition of the paint

• Adhesion

• Surface condition

Loose or flaking paint should not simply be plastered over.

The surface may need cleaning, preparation and an appropriate bonding system before plastering.

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Can You Plaster Over Artex?

Sometimes — but older textured coatings need careful consideration.

Artex and similar textured decorative coatings can potentially contain asbestos, particularly in older buildings.

⚠️ Important

If you have an older textured ceiling or wall and aren’t sure what it contains:

Don’t scrape, sand or aggressively disturb it yourself.

The material may need appropriate assessment before work starts.

Where asbestos is suspected, suitable procedures and controls should be followed.

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Can You Skim Over Artex?

In some circumstances, an existing textured coating can be covered rather than removed.

However, the plasterer needs to assess:

• Condition of the coating

• Adhesion

• Surface preparation

• Proposed plastering system

• Potential asbestos risk

Don’t assume an old textured ceiling is safe to disturb.

Get appropriate advice first.

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Can Plastering Fix Cracks in Walls?

Sometimes.

Small surface cracks can often be repaired as part of normal preparation.

However, larger, recurring or significant cracks should be investigated before simply covering them.

Possible causes can include:

• Movement

• Shrinkage

• Previous repairs

• Background problems

• Structural movement

Plaster should not be used to hide an unresolved structural problem.

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Why Has My New Plaster Cracked?

There can be several reasons.

Possible causes include:

• Drying

• Movement

• Poor preparation

• Background problems

• Application issues

• Environmental conditions

The important question isn’t simply:

“How do I fill the crack?”

It’s:

“Why has the crack appeared?”

If cracking is significant or keeps returning, the area should be assessed.

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Can You Plaster Over Damp Walls?

Not until the cause of the damp has been identified.

Plastering over damp doesn’t solve the underlying moisture problem.

Possible causes include:

• Plumbing leaks

• Condensation

• Penetrating damp

• Roof defects

• External damage

• Ground moisture

Fix the moisture problem first.

Plaster second.

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Can You Plaster a Water-Damaged Ceiling?

Potentially, but the source of the water damage needs to be dealt with first.

The ceiling should be checked for:

• Loose plaster

• Damaged plasterboard

• Water staining

• Mould

• Structural damage

• Continuing moisture

Replacing the plaster won’t solve an active leak.

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Can You Plaster Over Brick?

Yes, depending on the type and condition of the brickwork and the intended finish.

The masonry needs to be suitable and correctly prepared.

The appropriate system can depend on whether you’re working with:

• Internal brickwork

• External masonry

• Modern construction

• Traditional construction

• Damp-prone walls

Older London properties may require a different approach from modern buildings.

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Can Plastering Make Uneven Walls Straight?

Plastering can improve uneven walls, but the amount of correction possible depends on how uneven the wall is.

Minor imperfections may be corrected during preparation and plastering.

More severely uneven walls may require:

• Additional backing

• Levelling

• Plasterboard

• Additional preparation

An inspection will determine the most suitable approach.

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What Is Plasterboard?

Plasterboard is a board used to form walls and ceilings before applying a finishing coat.

Different boards are available for different applications.

They can be used for:

• New walls

• Ceilings

• Partitions

• Wall linings

• Overboarding

The correct board depends on the requirements of the project.

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What Is Overboarding?

Overboarding involves fixing new plasterboard over an existing suitable surface.

It can sometimes be used when an existing ceiling or wall isn’t suitable for straightforward skimming.

The existing structure still needs to be assessed before overboarding.

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Is Plastering Messy?

Yes — but good preparation makes a big difference.

Plastering can create dust and mess, particularly when old plaster needs to be removed.

A professional plasterer should take reasonable steps to protect:

Floors · Furniture · Doors · Fixtures · Adjacent areas

Before work starts, ask how the room will be protected and how waste will be handled.

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Do I Need to Empty the Room?

Ideally, yes.

Removing furniture and belongings gives the plasterer more room to work and makes protecting the property easier.

If furniture cannot be removed, discuss this before the project starts.

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Does a Plasterer Remove Old Plaster?

It depends on the agreed scope of work.

If you’re having a full re-plaster, removal of damaged plaster may be included.

But don’t assume.

Ask:

“Does the quotation include removing and disposing of the old plaster?”

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Does the Plasterer Remove the Waste?

Waste removal varies between companies and quotations.

It may be:

Included · Charged separately · Arranged by the customer

Always check before work begins.

Ask whether the quotation includes:

• Removing old plaster

• Bagging waste

• Loading waste

• Disposal

• Skip hire

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Why Are My Plastering Quotes So Different?

It’s common to receive very different plastering quotations.

Usually, the difference comes down to what each plasterer has included.

One quotation might include:

Preparation + materials + repairs + protection + waste removal

while another may only cover:

Basic plastering

Compare the specification — not just the price.

Ask:

“Can you explain exactly what’s included in the quotation?”

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Should I Get 2 or 3 Plastering Quotes?

For larger projects, getting two or three comparable quotations can be useful.

But make sure you’re comparing like-for-like.

Ask whether each quotation includes:

• Labour

• Materials

• Preparation

• Plasterboard

• Angle beads

• Protection

• Waste removal

• Making good

Remember:

£500 and £900 aren’t comparable if they’re describing different jobs.

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How Do I Find a Good Plasterer in London?

Price is only one part of choosing a plasterer.

Look for:

⭐ Genuine Reviews

Read what previous customers say.

📸 Previous Work

Ask for examples of completed projects.

📋 Clear Quotations

Make sure you understand what’s included.

💬 Good Communication

A professional should explain what your property needs.

🛠️ Relevant Experience

Ask whether they’ve completed similar plastering projects.

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What Should I Ask a Plasterer Before Hiring Them?

Before accepting a quotation, ask:

01 — What does the wall actually need?

02 — Is this skimming or full re-plastering?

03 — How much preparation is required?

04 — Are materials included?

05 — Is plasterboard included if needed?

06 — Are angle beads included?

07 — Is waste removal included?

08 — How long will the job take?

09 — When can I decorate?

10 — How will my floors and furniture be protected?

11 — Is the quotation fixed?

12 — Could additional work be required?

Getting these answers before work begins can prevent misunderstandings later.

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Is Plastering a Good DIY Job?

Plastering can look much easier than it actually is.

A professional finish requires:

Practice · Timing · Technique · Preparation · Product knowledge

Small repairs may be manageable for experienced DIYers.

Larger walls and ceilings can be much more difficult.

A poor finish can also create additional work when someone has to correct it.

Sometimes paying a professional is cheaper than paying twice.

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How Long Does Plaster Last?

A properly prepared plaster finish can last for many years.

Its lifespan can depend on:

• Quality of preparation

• Materials

• Workmanship

• Moisture

• Movement

• Condition of the background

If plaster repeatedly cracks, blows or deteriorates, the underlying cause should be investigated.

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Does Plastering Improve Insulation?

Standard plastering isn’t a replacement for proper insulation.

If improving thermal performance is your goal, options such as insulated plasterboard or other insulation systems may be worth considering.

The appropriate solution depends on the construction of the property.

For older buildings, choosing materials suitable for the building’s construction is particularly important.

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Does Plastering Help With Soundproofing?

A standard skim coat isn’t designed to provide significant soundproofing.

If reducing noise is the objective, a dedicated acoustic system may be required.

This could involve:

• Acoustic plasterboard

• Insulation

• Independent wall systems

• Additional layers

• Sealing gaps

The right solution depends on the type of noise and construction of the property.

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How Much Preparation Does Plastering Need?

Preparation is one of the most important parts of a good plastering job.

Depending on the property, it may include:

• Removing loose plaster

• Removing wallpaper

• Cleaning surfaces

• Repairing cracks

• Filling holes

• Applying bonding

• Fitting angle beads

• Installing plasterboard

• Protecting surrounding areas

A smooth finish starts before the plaster goes on.

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🟠 Plastering FAQ: Quick Answers

Still unsure?

Skimming

Best where existing plaster is generally sound.

Re-Plastering

Used where existing plaster is badly damaged or unsuitable.

Ceilings

May cost more because of access and working position.

Damp

Deal with the cause before replacing plaster.

Cracks

Understand the cause before covering them.

Artex

Older textured coatings may require specialist consideration.

Quotes

Compare the full specification rather than just the price.

Drying

Allow fresh plaster sufficient time to dry before decorating.

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Professional Plastering Services in London

Need a professional plasterer in London?

we work on a wide range of residential and property plastering projects, from individual repairs and room skimming to complete renovations.

Our plastering services include:

Whether you need one wall repaired, a ceiling skimmed or an entire property re-plastered, we’ll help you understand the work involved.

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Need Advice About Your Plastering Project?

 

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Related Plastering Guides

Looking for more information?

How Much Does Plastering Cost in London?

Our 2026 guide to plastering prices, skimming costs, day rates and factors affecting your quotation.

Wall Skimming London

Learn about the skimming process, preparation and when it’s suitable.

Ceiling Plastering London

Information about ceiling skimming, repairs and plasterboard.

Full Re-Plastering London

Find out when walls need more than a simple skim.

Plaster Repairs London

Information about cracks, damaged plaster and making good.

Rendering London

Learn about external rendering, K Rend and silicone rendering.

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Get a Plastering Quote in London

Ready to improve your walls or ceilings?

Whether it’s a small repair or a complete renovation,  Plastering Service London can help.

📞 07427 123 200

 

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Our Website: Plastering Service London

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