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Complete Interior Painting Cost Calculator for UK Homes

Estimates the total cost of painting a home in the UK including walls, ceilings, labour, materials and regional variations.

A typical three-bedroom home with 120 m² of usable floor area requires roughly 180–220 m² of wall coverage and 60–100 m² of ceiling area, adding up to 240–320 m² total surface to paint. Labour typically represents 60–70% of the total interior repaint bill, with costs varying significantly by material quality tier (budget, mid-range, premium) and service type (DIY, self-employed tradesperson, or professional company).

This calculator breaks down the cost into two separate components: materials (paint, primer, consumables) and labour (varying by service type and region). The values are based on established market data for UK interior painting works.

This is not a formal quote. A binding quote requires a professional on-site assessment. This estimate helps you understand realistic costs, negotiate confidently with tradespeople, and evaluate whether quotes you receive are reasonable before work begins.

The explanation below uses metric units; the calculator works in either system.

The result updates automatically.

Total of all the walls. Enter 0 if you're not painting walls.

The same as the floor area of the rooms. Enter 0 if you're not painting ceilings.

UK reference values: standard interior emulsion and primer, two coats on walls and one coat on ceilings. Material cost includes consumables (masking tape, rollers, trays, drop sheets, abrasive paper). Labour rates reflect standard UK market for professional tradespeople. Regional variation applied to labour only; materials are priced at national level across major retailers.

Estimated total cost

~£1,095

90 m² painted

Materials — walls
£420
Materials — ceilings
£218
Labour — walls
£270
Labour — ceilings
£188
Total area painted
90 m²
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How it works

1

Enter the total wall area in square metres (sum of all walls to be painted).

2

Enter the ceiling area (this equals your floor area). Enter 0 if you are not painting ceilings.

3

Select who will do the work: DIY, self-employed tradesperson, or professional company.

Formula

C_total = (A_w × m_w + A_c × m_c) + (A_w × h_w + A_c × h_c) × r
A_w — Wall area to be painted (m²)
A_c — Ceiling area to be painted (m²)
m_w — Material cost per square metre of wall
m_c — Material cost per square metre of ceiling
h_w — Labour cost per square metre of wall
h_c — Labour cost per square metre of ceiling
r — Regional multiplier reflecting local labour market variation

How the calculation works

How to calculate interior painting costs for a UK home

Painting a home or flat is one of the most frequent maintenance tasks, and one of the most commonly mispriced. Homeowners buy paint, pay the tradesperson, and then receive a bill that surprises them. Painting cost has two separate, independent components: materials and labour, each varying significantly with your choices. This calculator separates both and gives you a realistic UK market range.

Labour: the dominant cost component

Labour typically represents 60–70% of total interior painting cost. This variable most affects your final bill. A self-employed tradesperson working directly offers the lowest labour option, though without formal invoice or guarantee. A small company with paperwork and workmanship guarantee costs more, reflecting business insurance, liability, and properly processed VAT. A larger firm with team, full insurance, and published guarantee sits at the top of the labour cost range.

Ceilings always cost more than walls. Overhead painting requires extended-arm work, is slower, and is physically more demanding. Ceiling work commands a significant premium in the labour rate per square metre compared to wall work. This premium is reflected consistently across the UK and varies between individual tradespeople and firms based on their experience and overheads.

Regional labour variation is significant across the UK. London and the South East typically see higher rates reflecting higher cost of living and demand for services. The Midlands and North sit closer to the national average. Scotland and Wales also experience regional variation based on local market conditions, cost of living, and availability of skilled tradespeople. This calculator applies regional adjustment to labour only; materials are priced at national level across major retailers.

Materials: what actually gets purchased

For a typical interior finish with two coats of emulsion and one coat of primer, material cost per square metre varies by quality tier. Budget tier (own-brand emulsion and primer) is the lowest-cost option. Mid-range tier (manufacturer brands with better coverage and durability) is most popular. Premium tier (specialist paints with superior durability, enhanced washability, or specific finishes) commands significantly higher cost than other tiers.

Consumables beyond paint and primer must be budgeted: masking tape, roller sleeves, paint trays, plastic drop sheets, and abrasive paper. For a 30 m² room, these add a modest but real amount to material total. Omitting them means returning to the merchants mid-job.

DIY versus professional work

Doing the work yourself eliminates labour costs entirely but introduces hidden cost: time. A 20 m² room of walls, properly prepared and painted with two coats, takes 6–10 hours for someone without painting experience. Full house repaint of 100 m² of walls represents easily 50–70 hours of hands-on work, effectively two full weekends.

DIY makes sense for small projects where you have genuine time and budget is very tight. For complete three-bedroom interior repaint, hiring a professional is usually more rational financially. Outcome is also more consistent: experienced painters apply finish uniformly, prepare surfaces correctly, and complete work in a fraction of the time.

How to find and hire a painter in the UK

The market spans sole traders, registered tradespeople, and established painting companies. For any size of work, follow these practical rules.

Obtain at least two or three quotes. Prices vary considerably, and cheapest is rarely fastest or most careful. A well-written quote specifies number of coats, paint product grade, area in square metres, whether surface prep is included or charged separately, and any areas of concern (damp, previous poor coverage, specialist finishes).

Always ask for formal invoice. A registered tradesperson should provide a VAT invoice. Beyond compliance, it is your only practical recourse for defective or inconsistent work.

Surface preparation is fundamental to a finish that performs well over time. Ask the tradesperson directly how they prepare surfaces. If they mention primer only after you prompt, or downplay sanding and filling, be cautious. Proper prep (light abrading, filling hairline cracks, applying primer) is the durability foundation. Building Regulations Approved Document L covers considerations for walls and ceilings; the British Standards Institution publishes relevant interior finish standards (BS EN series). For larger projects or those involving structural concerns, a surveyor should assess underlying issues before any painter attends.

Frequently asked questions

How much does it typically cost to repaint a three-bedroom house?

A three-bedroom semi-detached or detached property with around 180–220 m² of walls and 80–120 m² of ceilings will have a total cost that varies dramatically with your choices. Service type (DIY versus professional), quality tier (budget, mid-range, premium), and region all affect the figure substantially. Use this calculator with actual measurements of your property and your preferred service type to obtain a realistic figure, then compare it against quotes you receive from local tradespeople.

Why do ceilings cost more to paint than walls?

Painting ceilings requires the tradesperson to work with arms extended above head height. It is slower, more physically demanding, and requires more care to achieve consistent coverage. This additional effort is reflected in ceiling labour rates across the UK, where painting overhead commands a significant premium compared to wall work. This premium is automatic in this calculator.

What is the difference between a self-employed tradesperson and a painting company?

A self-employed tradesperson usually offers the most competitive labour rate, but may operate without formal insurance or a written guarantee. A small company with formal paperwork and guarantee incurs costs for business insurance, liability cover, and VAT registration, which they pass to you. A larger established firm with a full team may charge more, but offers consistency, formal guarantees, and insurance-backed recourse if work is defective.

Is it cheaper to buy materials separately and hire only labour?

Often not significantly. Many tradespeople buy materials at trade discounts that retail customers cannot access. If the paint is exactly what the tradesperson normally uses, the material cost they charge is often close to what you would pay at a retailers' merchant. The real advantage to buying separately is the ability to specify an exact product, for example a paint with a particular finish that the tradesperson does not normally stock.

When does DIY painting make financial sense?

DIY makes sense for small projects (a single bedroom, bathroom, hallway) where you have genuine time availability and budget is very constrained. For full property repaints above 80 m² of walls, the 50–70 hours of manual work rarely justifies the saving compared to hiring a professional. Quality of the finished result also tends to be higher with a professional, particularly at corners, skirting boards, and around door frames.

What should I look for when choosing a painter?

Obtain multiple quotes that specify the number of coats, paint grade, area being covered, and whether surface preparation is included. Always ask for a formal invoice, which is your recourse if work is defective. Ask the tradesperson directly how they prepare surfaces; emphasis on sanding, filling, and primer indicates a professional approach. Check whether they carry liability insurance and offer a workmanship guarantee.

What happens if there is damp or visible damage before painting?

Do not paint over damp or active moisture issues, as this prolongs the underlying problem. Damp patches, mould, peeling plaster, or hairline cracks in plaster need diagnosis by a surveyor or building professional before any painter attends. Addressing the root cause (ventilation, external water ingress, structural movement) is essential before redecoration, otherwise the paint will fail quickly and the original issue will worsen.

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By RivoCalc · Reviewed under our editorial methodology · Updated 12 May 2026

This calculator is for information purposes only. Results are estimates based on standard formulas and may vary depending on real-world conditions. Consult a professional before making important decisions.