Bathroom Renovation Plumbing Cost Guide: Singapore Prices 2025 – Quick Answer
If you are planning a bathroom renovation in Singapore in 2025, expect bathroom plumbing and wet works (all the hidden pipe work, water points and drainage) to cost roughly S$1,000–S$7,500 depending on complexity, with a full bathroom renovation (including tiles, fixtures, carpentry and plumbing) typically ranging from about S$4,200–S$8,700 for a single bathroom in an HDB flat, and often higher for condos and landed homes.[3][5]
This cluster guide from Homejourney zooms in specifically on the Bathroom Renovation Plumbing Cost Guide: Singapore Prices 2025, supporting our broader bathroom and home renovation pillar content. It focuses on what drives plumbing and toilet renovation costs, how to budget safely, and how Singapore regulations (especially HDB) affect your bathroom pipe work.
How Bathroom Plumbing Fits Into Your Overall Renovation Budget
In a typical Singapore bathroom renovation, plumbing is one of the biggest cost drivers after tiling and carpentry. For 2025, estimates from Singapore renovation and cost guides indicate that:
- Renovating one bathroom in a BTO/HDB property: about S$4,200–S$8,700 for the whole bathroom.[5]
- Within that, plumbing works (pipe relocation, new water points, drainage) can range from about S$100 up to S$7,500 for complex layouts.[3]
- General bathroom repairs (without full renovation) are often S$250–S$500, while full bathroom renovations start from around S$5,000 upwards.[2]
From Homejourney’s experience speaking with owners in estates like Jurong West, Sengkang and Queenstown, a typical HDB resale bathroom overhaul with moderate re-piping, new toilet, basin and shower points usually sees plumbing making up around 10–20% of the total bathroom budget. This aligns with broader cost benchmarks where plumbing often accounts for roughly this share of the total remodel.[6][3]
If you are planning a larger home purchase or refinancing along with renovation, it is worth checking prevailing mortgage and renovation loan rates via Homejourney’s financing tools at Bank Rates or Mortgage Rates .
Typical Bathroom Plumbing Tasks & 2025 Price Ranges
To plan a realistic budget, it helps to break your bathroom plumbing into specific tasks. Here are common items and indicative 2025 Singapore price ranges based on local plumber price lists and renovation cost guides.[2][3][1]
1. Basic Repair & Replacement Works
- Repair leaking exposed pipe (copper/UPVC): from about S$130 per job.[2]
- Unclog / clear choked toilet or floor trap: about S$300–S$500 depending on severity.[2]
- Replace shower set: from about S$140 (labour & basic materials).[2]
- Replace basic basin / sink tap or bathroom faucet: from about S$110 (excluding premium mixers).[2]
- Replace flexible hoses & bottle traps: from about S$70–S$100 per point.[2]
These works are usually done by a licensed plumber and are common in older HDB estates such as Toa Payoh or Ang Mo Kio where original pipes are decades old. For safety and insurance reasons, Homejourney strongly recommends using PUB-licensed plumbers, especially for works on main water lines.
2. Sanitary Fixture Installation (Toilet Renovation)
- Supply & install toilet bowl set: from around S$350 for a basic model.[2]
- Supply & install basin: from about S$200, more for designer countertop basins.[2]
- Replace WC flush system: from about S$140 upwards.[2]
- Full plumbing for vanity, sink & toilet package: often part of a S$1,500–S$4,000 range including fixtures.[3]
For HDB flats, ensure your chosen contractor is HDB-registered for bathroom and wet works to comply with HDB’s renovation guidelines, especially for hacking and waterproofing. Always check HDB’s official renovation portal for the latest rules and lists of approved contractors.
3. Pipe Relocation & New Water Points (Bathroom Pipe Work)
Major cost jumps usually come when you change the layout of your toilet or bathroom. Singapore renovation cost data shows that plumbing works including pipe relocation and new points fall roughly within S$100–S$7,500, depending on scope.[3]
- Relocating a toilet bowl or shower point: can add thousands to your budget if extensive re-routing is needed.[6][3]
- Creating additional water points (e.g. for a bidet spray or separate rainshower) typically adds a few hundred dollars per point on top of tiling touch-ups.[3]
- New drainage points are more complex as they involve gradient planning and floor works; costs are often bundled into overall masonry and plumbing quotes.
In compact BTO bathrooms in Punggol or Sengkang, homeowners often keep existing toilet positions to save cost, but may reroute for a wall-hung WC or concealed cistern in larger condos in areas like River Valley or Novena where they want a more hotel-like look.
4. Water Heater & Shower Systems
- Water heater installation: cost guides indicate around S$100–S$500 within an overall bathroom renovation.[3]
- Standalone plumber price lists show water heater installations starting around S$400 and going much higher for complex storage systems or premium brands.[2]
- Rainshower systems, mixers, and concealed mixers: typically range from a few hundred dollars in fixtures plus labour and wall works.
For older HDB blocks, check SP Group and HDB electrical load limits before installing large storage heaters. Some owners in mature estates like Bukit Merah opt for instant heaters to stay within allowed electrical capacity.
Cost Drivers: What Makes Bathroom Plumbing More Expensive?
Two similar-sized bathrooms can have very different plumbing bills. From Homejourney’s work with buyers and landlords across the island, these are the biggest cost drivers in 2025.
1. HDB vs Condo vs Landed
- HDB & BTO: Generally more standardised layouts but stricter rules on hacking and moving pipes. Renovating one bathroom in a BTO is typically S$4,200–S$8,700 overall.[5]
- Condo: Greater flexibility but also more complex existing pipe routing in risers and slabs; management approval is usually needed.
- Landed: Highest flexibility and potential complexity. Plumbing can be more expensive due to longer runs and multiple bathrooms/levels.[3]
Always check with the MCST (for condos) or refer to URA and HDB guidelines before making structural or wet works changes.
2. Keeping vs Changing Layout
If you keep your toilet, basin and shower in the same positions and only replace fixtures, your plumbing cost will sit at the lower end of the range.[6][3] Once you start moving toilets, shifting showers or adding new drainage lines, labour hours increase significantly.
Insider tip from local contractors: in many 4-room and 5-room HDB layouts, simply switching to a frameless glass shower screen or L-shaped shower area (without moving drainage) gives a “new” layout feel, for a fraction of full pipe relocation cost.
