Coving costs anywhere from around £12 a metre to several hundred pounds a room. Across the Bristol and Bath properties we've fitted and restored over the years, the single biggest cost driver is not room length — it is the type of coving and how it is installed. The price is really set by two decisions made before anyone measures a wall: what style suits the property, and whether you're fitting fresh or matching existing original work.

What Most Coving Cost Guides Miss

Many online guides quote a broad figure somewhere between £5 and £37 per linear metre, then add a generic room total. That can be useful as a starting point, but it hides the difference between fitting a small polyurethane profile to a straight ceiling and recreating ornate original cornice in a Georgian townhouse.

In Bristol and Bath, a sensible estimate needs to account for the profile, material, number of corners, condition of the walls and whether the work is a new installation or a restoration. A 10-metre room with four straightforward internal corners may be cheaper than a shorter room with an elaborate profile, eight mitres and walls that need extensive scribing.

What most cost guides quote

What actually sets your price

One broad per-metre figure

The specific coving or cornice profile

A generic cost for an average room

Material: polyurethane, gypsum or fibrous plaster

Length as the main calculation

Corners, mitres, access and jointing

A standard installation

Whether walls and ceilings are straight or out of true

New coving fitted to a blank room

Fresh installation versus matching existing original work

A catalogue product as the solution

Whether the profile suits the age and proportions of the property

The same principle applies to related decorative plasterwork. If a room also has a ceiling rose or damaged original mouldings, the repair method can affect the final price considerably. Our guide to ceiling rose and coving restoration explains why the condition of the existing substrate and original material must be assessed before work begins.

The useful question is therefore not simply, "What is the price per metre?" It is, "Which of the four installation scenarios does this room fall into?"

What Actually Drives the Cost — Style, Profile and Fitting

Profile size

A small 90mm profile is relatively quick to handle, cut and fix. It is common in modern flats, extensions and rooms where the coving is intended to provide a neat transition between wall and ceiling without dominating the space.

Once the profile reaches around 127mm or more, it becomes heavier and more difficult to handle accurately. Larger sections can also create more waste at mitres, particularly where the pattern has to line up around a corner. An ornate profile with several steps, leaves or repeated details takes longer to mark, cut, join and finish than a simple curve.

Material

Lightweight polyurethane coving is often the least expensive option because it is easy to handle and relatively quick to install. Lightweight plaster products can also be cost-effective where the profile is simple and the ceiling line is sound.

Gypsum coving and fibrous plaster cornice have a more substantial finish and are often better suited to traditional interiors. Fibrous plaster is heavier, needs careful fixing and usually requires more time for jointing and finishing. That material and labour combination is why decorative fibrous plaster normally costs more than polyurethane coving.

Corners and mitres

Straight runs are usually the least complicated part of the job. Every internal and external corner needs a hand-cut mitre, and the accuracy of those cuts has a major effect on the finished appearance. Ornate profiles require the pattern to continue convincingly through the corner rather than simply meeting as two rough angles.

A room with many chimney breasts, alcoves and returns can therefore cost more than its total linear metre figure suggests. The labour is concentrated around the corners, not evenly spread along the walls.

Wall condition

Period walls are rarely perfectly straight. In Clifton, Redland, Bath and other areas with older housing, the wall may undulate, the ceiling line may dip, or previous repairs may have left layers of paint and plaster. The installer may need to scribe the coving to the wall, adjust the fixing line, fill irregular gaps and spend longer jointing before decoration.

Fresh installation or matching existing work

A fresh installation gives you more freedom to choose a suitable catalogue profile. Matching existing original cornice is a different category of work. The profile may no longer be manufactured, and a visually similar product can still look obviously wrong beside the original.

This is why our quotes are based on the actual installation method rather than a single rate. Gents Venetian Plastering & Rendering has more than 50 years of combined experience across modern coving, traditional plasterwork and bespoke decorative restoration.

Coving vs Cornice — What's the Difference and Why It Matters for Price

Coving is generally the simpler curved moulding fitted where the wall meets the ceiling. It tends to have a restrained profile and is commonly used in modern homes, flats and extensions. It can be made from lightweight materials, gypsum or plaster, depending on the desired finish.

Cornice is usually the more ornate or decorative form. It may include multiple steps, ridges, scrolls, foliage or other period details. It is often found in Victorian, Edwardian and Georgian interiors, although the exact profile should always suit the room rather than being chosen solely because it looks elaborate in a catalogue.

Cornice costs more when it involves:

  • A larger or heavier profile.

  • More detailed moulding that takes longer to cut and joint.

  • Fibrous plaster rather than a lightweight material.

  • Pattern matching at mitres and joins.

  • Scribing around uneven period walls.

  • Repairs or reproduction of original work.

Manufacturers such as Orac Decor show the broad range of decorative profiles available, but a catalogue profile is not automatically a suitable replacement for original cornice. The proportions, depth and detail need to work with the room.

Close-up of an ornate period cornice profile with layered plaster detail, crisp decorative moulding and subtle aged paintwork in a Georgian Bristol townhouse

The 4 Coving & Cornice Scenarios and What They Cost in Bristol

The figures below are realistic Bristol and Bath supply-and-fit ranges for typical work. They are scenario ranges, not definitive rates: access, preparation, profile choice and the number of corners can move a job outside them.

1. Plain Plaster or Lightweight Coving — Straight, Sound Ceilings

Typical guide: £12–£25 per linear metre.

This is the most straightforward scenario. It usually applies to a modern home, flat or extension with a reasonably straight ceiling line, accessible walls and a simple profile. Lightweight coving or plain plaster coving can be cut, fixed and jointed efficiently when there are no significant repairs or awkward returns.

The final price still depends on the number of internal and external corners. A small room with four clean corners may be quick to complete, while a room with several alcoves and chimney-breast returns requires more mitre work.

This option is often the right choice for a contemporary interior where the coving should be neat and proportional rather than highly decorative.

Plain modern plaster coving running cleanly around a bright contemporary living room with white walls, smooth ceiling and natural daylight

2. Decorative Pre-Formed Fibrous Cornice

Typical guide: £25–£45 per linear metre.

Pre-formed fibrous plaster cornice is heavier and more substantial than basic lightweight coving. It can provide the depth and presence expected in a more decorative room, but it needs careful handling, secure fixing and accurate jointing.

The joints need to be made discreetly, particularly where the cornice has a repeating pattern. Mitres also require more care because a poorly cut corner can interrupt the detail and remain visible after painting.

This scenario suits a homeowner who wants a traditional-looking decorative feature but does not need a reproduction of a unique existing profile. It is more expensive than plain coving because both the material and installation require more skill and time.

3. Period Property — Out-of-True Walls or Ornate Profiles

Typical guide: £35–£60 per linear metre.

A period property often adds preparation and finishing time even when the selected product is pre-formed. Walls may not be square, ceiling lines may vary and old layers of paint or plaster can make the fixing surface inconsistent.

The installer may need to scribe the back of the profile so it follows the wall, adjust the position to maintain a consistent visual line and fill larger gaps without making the work look patched. Ornate profiles also take longer to mitre and joint cleanly.

This is common in Georgian and Victorian townhouses around Clifton, Redland and Bath. The goal is not to force modern materials onto an old room, but to select a profile with the right scale and detail, then install it carefully.

For properties with breathable traditional construction or lime-based backgrounds, the wider plaster system also deserves consideration. Our page on traditional and lime plastering covers why material compatibility and moisture behaviour matter in older buildings.

4. Bespoke Run-in-Situ Cornice to Match Original Work

Typical guide: priced per project rather than by metre; often several hundred pounds per room and upwards.

Run-in-situ cornice is made by forming the profile on site, usually with a shaped template and successive applications of plaster, or by taking a mould and casting a matching section. It is used where an existing profile is unusual, damaged, incomplete or no longer available off the shelf.

The price includes more than the length of the run. Time may be needed to inspect and measure the existing profile, create or reproduce the template, prepare the background, form the cornice, make joins disappear and finish the surface for decoration. A ceiling rose, curved bay or multiple returns can add further complexity.

Because every restoration is different, a per-metre rate can be misleading. For a room requiring genuine matching, a project price is more honest and is often several hundred pounds per room, with larger or heavily damaged work costing more.

If you need a profile assessed or want a quote for matching original cornice, you can contact Gents Venetian Plastering & Rendering for a quotation. A site visit or clear photographs can establish whether a catalogue product is suitable or whether run-in-situ work is needed.

Plasterer hand-cutting a precise mitre at the corner of decorative coving, with measuring tools, fine saw and ornate profile visible in a period room

Modern Home vs Period Property — Getting the Style Right

We tell every customer to decide two things before focusing on price: what style suits the property, and whether the job is a fresh installation or a match to existing work.

A modern flat or extension gives you considerable freedom. A simple gypsum coving or polyurethane coving can be a sensible, cost-effective choice, especially where the ceiling is straight and the decoration is contemporary. The profile can be selected for proportion, shadow line and finish rather than historical accuracy.

A period property needs more care. The coving should relate to the age, ceiling height and proportions of the room. A narrow modern profile may look insignificant beneath a high ceiling, while an oversized ornate product can overwhelm a modest Victorian room. In a Georgian interior, the shape and restraint of the profile may matter more than its total depth.

The most common mistake we see is choosing coving on price per metre alone. Cheap, oversized polystyrene or bargain coving fitted badly can look wrong in a period room: the mitres are untidy, the profile does not suit the property and gaps appear where the walls are not straight.

The second mistake is assuming all coving is interchangeable. A modern gypsum coving is not automatically a like-for-like replacement for original Georgian cornice, and an off-the-shelf length should not be used to patch a unique run-in-situ profile simply because the dimensions appear close.

Matching Existing Original Cornice — The Run-in-Situ Question

Off-the-shelf lengths rarely match a period profile exactly. Even when the overall width looks similar, the depth, curves, steps and decorative details can be different. Once painted, those differences may remain obvious because the eye follows the moulding around the room.

Matching existing work can involve taking a profile from an intact section, creating a template or mould, and reproducing the missing section in fibrous plaster or by running the material in situ. The new section then needs to meet the old cornice without a visible change in scale or pattern.

Run-in-situ means the cornice is formed directly on the wall or ceiling at the property, rather than simply fixing standard lengths. It is particularly useful for long continuous runs, unusual shapes, curved sections and historic profiles that are no longer commercially available.

This is specialist restoration rather than a standard installation. It is priced per project because the preparation, profile reproduction, access, repairs and finishing can vary significantly. A modern catalogue coving may be appropriate for a fresh installation, but it should never be presented as a guaranteed match for original period cornice.

FAQ

How much does coving cost per metre?

In Bristol, plain plaster or lightweight coving on straight, sound ceilings is typically around £12–£25 per linear metre for supply and fit. Decorative pre-formed fibrous cornice is more often around £25–£45 per metre, while period rooms with ornate profiles or out-of-true walls can reach £35–£60 per metre.

Bespoke run-in-situ work is usually priced per project rather than by metre and can cost several hundred pounds per room and upwards. The material, profile size, mitres, wall condition and whether the work matches existing original cornice all affect the estimate.

How much does it cost to cove a room?

A small modern room with a simple profile may fall within a few hundred pounds, depending on its perimeter, access and preparation. A larger room with several corners, a heavier profile or extensive filling will cost more.

A period room with ornate cornice can also reach several hundred pounds or more. The room's perimeter alone is not enough to price the work accurately: a shorter room with many alcoves and difficult mitres can require more labour than a larger room with four simple corners.

What is the difference between coving and cornice?

Coving is generally a simpler curved moulding used to soften the junction between a wall and ceiling. Cornice is usually more substantial and decorative, often with layered, stepped or ornamental detail.

The terms are sometimes used interchangeably, but cornice normally implies a larger or more ornate profile. That extra detail increases material costs, handling time, mitre work and jointing, which is why cornice is commonly more expensive.

Why is ornate cornice more expensive than coving?

Ornate cornice takes longer to handle, cut and install. The pattern must be maintained through each mitre, joints need careful filling and a heavier fibrous plaster profile may need stronger or more precise fixing.

If the room has uneven walls, the cornice may also need to be scribed and adjusted. A simple curved coving profile can hide minor inconsistencies more easily, whereas detailed moulding makes poor corners and uneven gaps easier to see.

Can you match existing period cornice?

Often, yes. The first step is to inspect an intact part of the original profile and establish whether it can be copied accurately. Depending on the design and condition, the match may be produced with a template, mould or run-in-situ technique.

A catalogue length is not automatically a match. Original cornice can have unusual proportions or details that are no longer manufactured, so genuine reproduction may be required. This is specialist work and is normally quoted as a project rather than a simple per-metre installation.

Is plaster or polyurethane coving better?

Neither is universally better. Polyurethane coving is lightweight, easy to handle and often cost-effective for modern rooms with simple profiles. It can be a practical choice where speed, consistency and a clean decorative line are the priorities.

Plaster or gypsum coving has a more substantial feel and can be a better visual fit for traditional interiors. Fibrous plaster is especially useful where the profile needs greater depth or where matching and repairing existing decorative plasterwork matters. The right choice depends on the property, profile and finish expected.

How much does run-in-situ cornice cost?

Run-in-situ cornice is usually priced per project, not at a standard per-metre rate. A straightforward matching job may cost several hundred pounds per room and upwards, while ornate, damaged or difficult-to-access rooms can cost more.

The price reflects profile assessment, template or mould creation, forming the cornice, joining it to existing work and finishing it ready for decoration. A site inspection is the most reliable way to establish the method and cost.

Does coving add value to a house?

Well-chosen and well-fitted coving can improve the appearance of a room and help a property feel coherent, particularly in a period home where decorative details are expected. It may support buyer appeal, but it should not be treated as a guaranteed increase in market value.

The style needs to suit the property. Poorly proportioned coving, messy mitres or an obvious modern substitute beside original cornice can have the opposite effect. Good workmanship and appropriate design matter more than simply adding the largest profile available.

Can coving be fitted to uneven walls?

Yes, but it takes more preparation and skill. The profile may need to be scribed so its edge follows the wall, and gaps may need filling after the coving is fixed. The ceiling line may also need to be assessed so the finished moulding appears visually level.

Out-of-true walls are one reason period property work commonly falls into the £35–£60 per linear metre scenario rather than the basic £12–£25 range. The additional cost is for the fitting and finishing labour, not simply the extra length of material.

How long does it take to fit coving in a room?

A small modern room with a simple lightweight profile and sound surfaces may be completed relatively quickly, often within a day for fitting and initial jointing. Additional time may be required before painting while adhesive, plaster and filler dry properly.

A larger room, ornate fibrous plaster cornice or period property with uneven walls can take longer. Run-in-situ restoration may require several visits for preparation, forming, drying, jointing and finishing. The number of corners and the condition of the walls usually matter more than the room's floor area alone.

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Phone Number

07440 017218

Phone Number

07440 017218

Email

Gentsplastering@hotmail.com

Email

Gentsplastering@hotmail.com

Areas Serving

Bristol & Bath

Areas Serving

Bristol & Bath

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