Plasterboard Painting in Richmond

Richmond Decorators are plasterboard painting specialists covering the full Richmond upon Thames borough, from Twickenham and Hampton to Teddington and East Sheen.
- New plasterboard walls with a sealing coat system for even absorption
- Skim-coated surfaces with the correct primer before finish coats
- Extension and loft interiors with full preparation from first fix through to finish
- Plaster repair and patchwork, filled, sanded, and primed before painting
- Ceilings with a consistent two-coat finish on new plasterboard
Twickenham Victorian terraces around King Street frequently have single-storey kitchen extensions built with plasterboard walls. Joints and scrim are visible through a direct finish coat unless properly filled, sanded, and skim-coated. Some trade decorators skip this step under price pressure. We do not.
Call 020 4572 8995 for a free quote.
Why Choose Richmond Decorators
New Build Ready
Sealing coats and primer systems for even absorption on new plaster.
Clear Pricing
Fixed price from the first quote with no unexpected additions.
Fully Insured
Full public liability cover on every job we complete.
Highly Recommended
Most of our work comes from repeat clients and referrals.
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Plasterboard Painting Services
We handle the full plasterboard painting process, from assessing drying readiness through to the final finish coat. Every stage is done correctly — no shortcuts.


Freshly Plastered Walls
New plaster is highly alkaline and absorbs paint unevenly. Applying standard emulsion directly onto fresh plaster results in a patchy finish and paint failure.
We always allow adequate drying time before painting new plaster. Pale pink plaster must turn pale grey throughout before any coating is applied.
Sealing Coat Application
A sealing coat is a diluted emulsion that penetrates new plaster without sitting on the surface. It regulates absorption so that subsequent finish coats lay evenly.
We mix the correct ratio based on the absorbency of the plaster. Plasterboard with a skim coat behaves differently from bare board — we assess and adjust accordingly.
First and Second Fix
On new builds and extensions, painting takes place in two stages. First fix is the structural paintwork completed before joinery and fixtures are installed.
Second fix is the finish work around installed joinery, sockets, and switches. We work to the building programme where required.
New Build and Extension
Extensions in Richmond and the surrounding borough are common. Rear kitchen extensions in Twickenham, side-return extensions in Barnes SW13, and loft conversions in Hampton TW12 all follow the same plasterboard painting process.
We coordinate with the project manager or the homeowner directly on timing. Painting too early on new plaster causes problems — we would rather delay a start than produce a finish that fails.
Plaster Repair and Preparation
Older plasterboard in rooms being redecorated often has visible joints, old screw holes, and areas where tape has lifted or joints have cracked. These must be addressed before any finish coat is applied.
We fill, sand, and feather all repair areas. Spot primer is applied to filled patches. Where original joints were not properly taped, we re-tape, apply joint compound, and sand flush.
For full interior painting across your home, we handle all surfaces including walls, ceilings, and woodwork throughout the Richmond borough.
Plasterboard Painting Costs in London
Prices below are estimates only. Every property is different. Call 020 4572 8995 for a precise quote.
Surface Area
A single kitchen extension in a Twickenham terrace costs less than a full loft conversion with multiple rooms, sloped ceilings, and dormer windows. Surface area is the primary cost driver.
Preparation Requirement
New plasterboard needs a sealing coat before finish coats — this adds time and cost compared to repainting an existing room. Joints and scrim that are not skim-coated add a further preparation stage.
First and Second Fix Staging
Jobs requiring two site visits cost more than a single-stage paint on a complete room. Kitchen extension plasterboard interior in a Twickenham TW1 Victorian terrace typically costs £700 to £1,100. A new loft room in Hampton TW12 typically costs £800 to £1,300.


For full interior painting across the whole house, costs increase proportionally. We also cover ceiling painting and wall painting across the borough.
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Here’s How It Works
1. Assessment and Timing
We visit and confirm the plaster is ready to paint. Fresh plaster must be fully dry before coating begins. We confirm the programme once drying is complete.
2. Repair and Preparation
Joints, screw holes, and any surface damage are filled, sanded flush, and spot-primed. Lifted tape or open joints are re-taped and compounded where needed.
3. Sealing Coat
A diluted sealing coat is applied across all new plaster surfaces. We allow full dry time before proceeding. This step is non-negotiable on new plasterboard.
4. First Finish Coat
Full-strength emulsion is applied. The first coat confirms surface consistency. Any remaining absorption differences are addressed before the second coat.
5. Second Coat and Inspection
The second coat completes the finish. We inspect all surfaces in good light, checking for any missed areas or uneven coverage before leaving.
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Plasterboard Painting FAQs
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