Planning a bathroom modification in Sri Lanka (2025)? Explore realistic cost ranges for demolition, waterproofing, tiles, sanitaryware, mixers, labour, and smart budget tips.
Modifying your bathroom can completely refresh your home — adding both comfort and value.
But what exactly does it cost in Sri Lanka (2025)? 🤔
This detailed guide breaks down every stage, from waterproofing to fittings, giving you a clear budget idea whether you’re planning a small upgrade or a full renovation.
💡 Quick overview:
💰 Basic bathroom modification: LKR 200,000–300,000
⚒️ Mid-range: LKR 350,000–650,000
✨ Luxury: LKR 800,000+
🧱 What “Bathroom Modification” Includes
A bathroom modification covers these main steps 👇
✅ Demolition & disposal (if old finishes removed)
✅ Plumbing & drainage line changes
✅ Waterproofing the wet areas
✅ Wall & floor tiling
✅ Installing sanitaryware (WC, basin, cistern)
✅ Fittings & accessories (mixers, shower sets)
✅ Ceiling, paint & ventilation
✅ Skilled labour, materials, and contingency
🔨 1. Demolition & Disposal
Removing old tiles, pipes, and fittings is the first step.
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💸 Cost range: LKR 3,000–10,000
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🚛 Debris disposal: Add about LKR 2,000–3,000
🪚 Tip: Choose a contractor who handles removal and cleanup together — it saves time.
💦 2. Waterproofing
Never skip waterproofing — it’s the foundation for a long-lasting bathroom! 🧱
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Typical cost: LKR 25,000–55,000 (materials + labour)
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✅ Always demand a waterproofing warranty
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🔍 Ask for a ponding test before tiles go in
🧩 3. Wall & Floor Tiling
Tiles define your bathroom’s style — and budget. 🎨
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🟢 Basic ceramic tiles (local): LKR 2,200–3,500/m²
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🔵 Mid-range porcelain tiles: LKR 3,800–7,000/m²
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🟣 Imported / premium stone: LKR 8,000+/m²
⚠️ Include 10–15% for wastage during cutting and patterns.
📌 Material Examples:
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Ceramic tiles (600×600mm): ~LKR 1,600 each
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Tile adhesive + grout: LKR 250–400/m²
🚽 4. Sanitaryware (WC, Basin, Cistern)
Quality sanitaryware ensures both comfort and easy cleaning. 🧼
| 🧻 Type | 💰 Price Range (LKR) |
|---|---|
| Basic WC (pedestal / wall-hung) | 18,000–40,000 |
| One-piece WC (soft close) | 40,000–90,000 |
| Basin (standard) | 7,000–25,000 |
| Concealed cistern | 15,000–45,000 |
💡 Tip: Opt for rimless WCs for better hygiene and modern looks.
🚿 5. Mixers, Shower Sets & Accessories
Mixers and fittings define your daily comfort level 🌊
| 🪞 Item | 💰 Cost Range (LKR) |
|---|---|
| Basin mixer | 6,000–25,000 |
| Shower mixer / rain set | 35,000–80,000 |
| Thermostatic / designer sets | 80,000+ |
| Accessories (mirror, towel rail, soap tray) | 2,000–25,000 |
✨ Mid-range shower systems: around LKR 45,000–60,000
🧰 Choose stainless steel accessories — they resist corrosion.
🧰 6. Plumbing & Labour
Good workmanship is the key to leak-free bathrooms 💪
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🔧 Plumber labour: LKR 8,000–20,000
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🧱 Tile laying labour: LKR 400–1,000/m²
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🪠 Additional fittings/traps: LKR 5,000–15,000
🛠️ Tip: Get itemized labour quotes — it avoids confusion later.
🎨 7. Painting, Ceiling, Lighting & Ventilation
Finishing touches make your bathroom bright and fresh 🌤️
| 🧩 Item | 💰 Cost Range (LKR) |
|---|---|
| Ceiling paint (moisture-resistant) | 6,000–20,000 |
| Exhaust fan | 4,500–15,000 |
| Downlights / mirror lights | 2,000–8,000 each |
🎨 Use mildew-resistant paint — especially near ceilings and damp zones.
💵 8. Example Mid-Range Budget (3.5 m² Bathroom)
| 🧾 Item | 💰 Estimated Cost (LKR) |
|---|---|
| Demolition & Disposal | 8,000 |
| Waterproofing | 35,000 |
| Tiles & Installation | 120,000 |
| Sanitaryware | 75,000 |
| Mixers & Shower Set | 55,000 |
| Accessories | 18,000 |
| Plumbing & Labour | 40,000 |
| Paint, Lighting, Ventilation | 18,000 |
| Subtotal | 369,000 |
| Contingency (8%) | 23,000 |
| Total Estimated | ≈ LKR 392,000 |
✅ Average range: LKR 350,000–450,000 for a mid-level modification.
🏠 9. Trusted Local Suppliers (2025)
| 🏢 Supplier | 🛒 Specialty |
|---|---|
| Rocell / Rocell Bathware | Premium tiles & fittings |
| BuyRocell.lk | Online tile & bathware store |
| Mascons (Pvt) Ltd. | Construction materials |
| Noorbhoy & Co. | Sanitary fittings |
| Ikman.lk | Budget or used fittings |
| Abans / Singer | Lighting & exhaust fans |
💡 10. Smart Cost-Saving Tips
✨ Use these to stretch your budget without cutting quality:
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🧭 Keep the same layout — saves drain line costs
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⚒️ Mix premium and basic tiles strategically
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🇱🇰 Choose reliable local brands for mixers and ceramics
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🏷️ Watch for seasonal sales (10–30% off)
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📑 Compare 3 contractor quotes
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💧 Never skip waterproofing — it’s cheaper than repairs later
⚠️ 11. Common Mistakes to Avoid
🚫 Skipping waterproofing
🚫 Hiring unskilled labour
🚫 No written quotation
🚫 Forgetting contingency (5–10%)
🚫 Using the wrong adhesive or grout
✅ 12. Final Checklist Before Hiring a Contractor
☑️ Brand & model list of fittings
☑️ Waterproofing brand + warranty
☑️ Labour cost breakdown
☑️ Disposal & transport costs
☑️ Payment stages
☑️ Retention until final inspection
🏁 Final Thoughts — Bathroom Modification Cost in Sri Lanka (2025)
Renovating your bathroom can be smooth and rewarding when you plan right.
Focus on quality waterproofing, skilled labour, and good fittings — these matter more than fancy finishes.
| 💎 Level | 💰 Typical Budget (LKR) |
|---|---|
| Basic Modification | 200,000–300,000 |
| Mid-Range Upgrade | 350,000–650,000 |
| Luxury / Imported Fittings | 800,000+ |
🧱 Visit trusted showrooms like Rocell, Mascons, or Noorbhoy to see product quality in person before making final decisions.
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