Instant
01 · Ask
Repaint or full coating system?
Refresh existing paint, or apply a 15-year coating? Describe the house and the AI tells you which suits the substrate.
Repair pebble dash.
Cracked, blown or stained pebble dash — repaired, washed and re-coated for another 15 years.
✓ Updated May 2026✓ Free quotes✓ Vetted pros
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Hire a weather-coating applicator. Primer, topcoat, dry weather.
Read the brief on substrates, breathability and weather conditions — then let Three local applicators quote.
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02 · Read the brief
Walk in informed
Silicone vs acrylic, breathability ratings, primer requirements, weather windows, BBA-certified systems. Know what 'guaranteed' means.
60 seconds
03 · Compare
Compare 3 applicator quotes
Three local applicators quote on the same spec — coating system, prep, scaffold, guarantee — so you compare cleanly.
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Top tips
Hiring a weather coatings, without the regret.
Four moves that separate a smooth job from a nightmare.
Test the substrate first.
Cement render, pebbledash, brick — different surfaces need different coatings. A proper applicator tests adhesion before quoting.
Insist on a primer + topcoat system.
Skipping the primer halves the lifespan. A coating system (primer + 2-coat topcoat) lasts 15+ years; topcoat-only fails in 5–7.
Don't apply in wrong weather.
Most coatings need >5°C and dry for 24 hours either side. Applicators who push on in November or April are setting up failure.
Check the breathability rating.
Solid walls need breathable coatings (vapour-permeable) — silicone-based, not acrylic. Sealing solid walls traps damp.
Costs & timeline
Know what it costs. Know when it ends.
Indicative UK ranges and what affects price.
Cost range
By job type
Inc. VAT · 2026
Source: NMT quotes
Source: NMT quotes
Masonry paint repaint (per m²)
£18–£40/m²
Silicone weather coating (per m²)
£35–£70/m²
Pebbledash repaint (per m²)
£25–£50/m²
Whole-house weather coatingSemi-detached
£3.5k–£9k
Render repair + coating
£4k–£12k
Scaffold hire (3 weeks)
£800–£2k
!
Quote spread is typically ± 18% — always get 3 quotes.
At a glance
Infographic · VideoThe Weather Coatings briefing.
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Weather Coatings quick-view
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Weather Coatings explained
Pebble dash repair — common 1950s-70s finish. Patch, repaint, or coat over. Expect to pay £30–£80 per m² for UK pebble dash treatment.
What Does the Work Involve?
Specialist surveys condition. Loose stones knocked back. Cracks raked and patched. Either: re-coat with specialist masonry paint, or render over with monocouche/silicone for modern look.
Typical Costs
| Item | Low (£) | High (£) | Notes |
|---|---|---|---|
| Patch repair only per m² | 20 | 60 | Localised |
| Full house repair + paint | 2,000 | 5,000 | Whole semi |
| Specialist masonry coating | 30 | 60 | Per m² |
| Render over (monocouche) | 40 | 90 | Per m² |
| Render over (silicone) | 50 | 120 | Per m², premium |
| Scaffolding (1-2 weeks) | 500 | 1,500 | Often included |
| Full house render-over | 5,000 | 15,000 | Transformation |
UK Regulations
Building Regs Part L (thermal — render over may need insulation for compliance). Listed/conservation: consent.
Frequently Asked Questions
Coat over or render over?
Coat: cheaper, retains pebble look. Render: modern smooth look £5k-£15k.
Pebble dash dated?
Yes — 1950s-70s look. Render-over modernises significantly.
How long lasts coating?
Quality: 15-25 years. Insurance-backed.
Property value impact?
Render-over: 3-8% value uplift. Modern kerb appeal.
EWI under render?
Combined upgrade £80-£200/m². Best long-term investment.
Planning permission?
Replacement: permitted development. Conservation/listed: consent.
This guide was written with AI assistance and is intended for general information only. Prices are estimates based on UK averages and may vary by region. Always get at least three quotes and consult a qualified professional before starting any work.
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