Cost wallpaper installation.

A high-quality finish depends heavily on the condition of the substrate. In older British properties, this often involves significant preparation, such as stripping layers of woodchip or applying lining paper to stabilise "blown" plaster before the decorative top layer is hung.

What Does the Work Involve?

• Surface Assessment: Checking for damp, loose plaster, or uneven surfaces that require attention before hanging.
• Stripping & Preparation: Removing old wallpaper, filling cracks, sanding, and applying a "size" or primer to improve adhesion.
• Lining Paper Installation: Hanging cross-lined paper to provide a smooth, absorbent base for the decorative wallpaper.
• Measuring & Cutting: Precise calculation of pattern repeats to ensure consistency across the room and minimise wastage.
• Hanging: Applying adhesive (either to the wall or the paper) and expertly smoothing out bubbles and creases.
• Trimming: Cleanly cutting the paper at the ceiling, skirting boards, and around sockets or switches for a flush finish.

Typical Costs

The cost of wallpapering varies significantly based on the complexity of the pattern and the height of the ceilings. Most UK decorators charge either a day rate or a price per roll, with premium papers (such as silk or hand-painted murals) commanding a higher fee due to the risks involved.

Factors affecting the final price include the "repeat" length of the pattern, the number of obstacles (like radiators and sash windows), and whether you require the decorator to supply the paper itself.

How Long Does It Take?

• Single Feature Wall: 3 to 5 hours (including prep).
• Standard Bedroom (4 walls): 1 to 2 days depending on stripping requirements.
• Hallway, Stairs, and Landing: 2 to 4 days due to height and complex cutting.
• Lining and Hanging: Always allow 24 hours for lining paper to dry fully before applying the decorative layer.

DIY or Professional?

While "paste-the-wall" papers have made DIY more accessible, high-end "paste-the-paper" products are notoriously difficult to handle. Professional decorators have the tools to ensure plumb vertical lines and invisible seams, which are nearly impossible for a novice to achieve on uneven UK walls.

If you have invested in expensive designer wallpaper (upwards of £80 per roll), the cost of a professional installer is a vital insurance policy against ruined materials and visible mistakes.

Choosing the Right Tradesperson

• Check Portfolios: Look specifically for photos of pattern matching around difficult corners or fireplaces.
• Specialisms: Ask if they have experience with specific materials like grasscloth, fabric-backed vinyl, or wide-width murals.
• Insurance: Ensure they have Public Liability Insurance to cover accidental damage to your flooring or furniture.
• Questions to Ask:
  • Will you use lining paper, and is that included in the quote?
  • How do you handle "blown" plaster discovered after stripping?
  • Do you provide a guarantee against seams lifting or bubbling?

UK Regulations

• Fire Safety: Wallpaper used in communal areas of flats or commercial buildings must meet British Standard (BS EN 13501-1) fire ratings.
• Health and Safety: Decorators working on staircases must use appropriate scaffolding or "stair towers" rather than balancing ladders, as per HSE Work at Height Regulations.
• Waste Disposal: Trade waste (old wallpaper and paste tubs) cannot be put in domestic bins; confirm if your decorator is a registered waste carrier.

Common Problems

• Shading Differences: Caused by using rolls from different batch numbers. Always check batch codes before the paper is cut.
• Visible Seams: Often the result of the paper shrinking as it dries. This is common if the room is too hot or the paper was over-soaked.
• Bubbling: Usually occurs when the wall wasn't "sized" correctly, causing the paste to soak into the plaster too quickly.
• Pattern Creep: A gradual misalignment of the pattern across the wall, usually caused by the first length not being perfectly plumb.

Frequently Asked Questions