Good HDB service yard ideas start from one fact: the service yard is the hardest-working few square metres in an HDB flat. It is usually a narrow space next to the kitchen with a window or grille to the outside, a ceiling drying rack, a floor trap, and often an exposed sanitary stack. It has to hold the washing machine, sometimes a dryer and a sink, plus the brooms, mops, vacuum and detergents that have nowhere else to go.
Because it is semi-outdoor and wet, everything in it must cope with damp, splashes and heat. Cabinets that swell, a floor that stays slippery or a drying rack in the wrong place make laundry a daily chore. HDB also has specific rules on service yard windows, grilles, drying racks and extending the kitchen into the yard.
This guide covers laundry area design in Singapore flats, service yard storage ideas and cabinet materials, the HDB rules that apply, and a checklist. BTO service yard ideas are similar, but check your floor plan for where the stack, floor trap and window sit before you plan carpentry.
Service yard ideas
Photo: PlanetCare on Unsplash 01Put everything on one wall
Line up the washer, a utility sink and a tall cabinet along the longest wall, so the other side stays clear for walking and hanging laundry. Put the washer nearest the water point and floor trap to keep hoses short. A worktop over a front-loader gives you a folding surface. Keep the window and grille reachable so you can open, clean and lock them, and leave space at the end for the ironing board or a step stool.
Photo: Steven Ungermann on Unsplash 02Stack the washer and dryer
In a narrow yard, a front-load washer with the dryer stacked on top uses half the floor space of side-by-side machines. Use the stacking kit the manufacturer specifies for your models, and check the total height against the drying rack and any cabinet above. Allow space in front for the doors to open and for you to load them. A tall cabinet beside the stack can hold detergent and the laundry basket.
03Add a utility sink with a licensed plumber
A small sink for soaking, rinsing mops and watering cans saves the kitchen sink from dirty jobs. HDB requires water and sanitary works to be done by a PUB Licensed Plumber, and when repositioning a sink the floor slab must not be tampered with. Waste pipes cannot be embedded in the floor slab but can run within the floor finishes. Ask your plumber to confirm the drainage route to the existing floor trap or stack before you buy the sink.
04Plan the drying rack first
Most HDB service yards come with a clothes drying rack on the ceiling. If you add or replace a ceiling-mounted hanger, HDB limits fasteners to 6mm in diameter and 40mm in penetration depth. Keep tall cabinets out of the area under the rack so wet clothes do not drip onto them, and make sure the window can open fully to let air through. A motorised rack is easier to use over machines but needs a power point.
Photo: Salvo Media LLC on Unsplash 05Use cabinets that ignore water
Service yard cabinets get splashed, sit near the floor trap and face heat from dryers. Aluminium or PVC foam board carcasses do not swell or rot like particleboard. Raise base cabinets on legs or a tiled plinth so mopping water does not reach them. Choose handles that do not rust, and ventilated doors for the cabinet that stores damp mops. A tall broom cupboard keeps the vacuum and mop bucket out of sight.
06Box up the sanitary stack with an access panel
An exposed sanitary stack is common in HDB service yards. HDB allows pipes to be enclosed with lightweight non-combustible materials if you leave a removable access opening of at least 600mm x 600mm for inspection. If the pipe ever needs total replacement, the owner pays to remove the box-up. A tiled box-up can carry a shelf for detergent; keep the access panel free of fixed cabinets.
07Extend the kitchen into the yard carefully
If you want a bigger kitchen, HDB lists extending the kitchen into the service yard without removing walls as work that needs no permit. Services in the extended area must not be tampered with, an exhaust fan is not allowed at the service yard, and only one layer of 63mm hollow block or 80mm glass block may be built to support a sink. Keep space for laundry and drying, or the clothes end up in the living room.
08Light it and power it properly
A single bulb in the yard leaves shadows over the machines. Fit a surface ceiling light or LED panel with a damp-rated fitting, and add a light under any wall cabinet over the sink. Plan separate power points for the washer, dryer and any water heater, at a height away from splashes. Electrical works in an HDB flat must be done by an EMA licensed electrical worker.
What we would use in a service yard
| Part of the room | Our pick | Also good |
|---|---|---|
| Floor | Glazed porcelain tiles with an anti-slip finish | Homogeneous (full-body porcelain) tiles, or overlay tiles if you want to avoid hacking |
| Cabinets | Aluminium cabinets | PVC foam board carcass with laminate doors |
| Worktop | Compact laminate | Stainless steel for a hard-wearing utility look, or solid surface to match the kitchen |
| Sink | Stainless steel top-mount sink | Ceramic or fireclay sink for a classic look |
| Tap | Single-lever mixer tap | Pull-out or pull-down tap for rinsing mops and shoes |
| Walls | Specialty paints (anti-mould, washable, low-VOC) | Feature wall tiles as a full splashback behind the sink |
| Ceiling | No false ceiling (painted slab with surface trunking) | Aluminium strip and panel ceilings if you want to hide pipes, with access panels |
| Lighting | Surface ceiling lights and LED panels | Under-cabinet LED strips over the sink |
Floor
Glazed porcelain tiles with an anti-slip finish
The service yard floor gets wet daily from laundry, mopping and rain through the window. A matte, slip-resistant porcelain tile gives grip and is easy to clean. Keep the fall to the floor trap when you replace tiles, and match the kitchen tile if you want the two spaces to flow.
Also good: Homogeneous (full-body porcelain) tiles, or overlay tiles if you want to avoid hacking
Compare every tiles optionCabinets
Aluminium cabinets
Aluminium does not swell, rot or attract termites, so it suits the wettest part of the flat. It handles splashes from the sink and heat from the dryer, and can take a powder-coated or wood-look finish to match the kitchen. Raise base units off the floor for mopping.
Also good: PVC foam board carcass with laminate doors
Compare every kitchen cabinets optionWorktop
Compact laminate
A worktop over the washer gives a folding surface and a spot for detergent. Compact laminate is solid all the way through, so it does not swell when water sits on it, and its thin profile keeps the stack low. It cuts to size easily for odd yard widths.
Also good: Stainless steel for a hard-wearing utility look, or solid surface to match the kitchen
Compare every countertops optionSink
Stainless steel top-mount sink
A utility sink takes muddy shoes, mop rinsing and soaking. Stainless steel is tough, does not chip and is easy to replace. A top-mount sink fits most worktops, including compact laminate, and usually costs less than an undermount sink. Choose a deep bowl for soaking and a size that leaves the walkway clear.
Also good: Ceramic or fireclay sink for a classic look
Compare every kitchen sinks and taps optionTap
Single-lever mixer tap
One lever is easy to use with wet hands and full buckets. If the yard has hot water, a mixer helps with soaking; otherwise a simple cold tap does the job. A high spout lets you fill a pail. Choose a finish that resists water spots in a damp space.
Also good: Pull-out or pull-down tap for rinsing mops and shoes
Compare every kitchen sinks and taps optionWalls
Specialty paints (anti-mould, washable, low-VOC)
Service yard walls take splashes and humidity, so mould grows on standard paint. A washable anti-mould paint wipes clean and is cheaper than full-height tiles. Use tiles only as a splashback behind the sink and washer, where water actually hits the wall, and choose a light colour to brighten a narrow yard.
Also good: Feature wall tiles as a full splashback behind the sink
Compare every wall finishes optionCeiling
No false ceiling (painted slab with surface trunking)
The service yard ceiling carries the drying rack, which must be fixed into the concrete slab. A bare painted slab keeps that simple, avoids hiding pipes and leaves nothing to sag in the damp. Run wiring for a light or motorised rack in tidy surface trunking, and repaint with anti-mould paint when needed.
Also good: Aluminium strip and panel ceilings if you want to hide pipes, with access panels
Compare every false ceilings optionLighting
Surface ceiling lights and LED panels
A flat LED panel lights the whole yard evenly without shadows over the machines. A surface fitting avoids cutting a ceiling and suits a bare slab. Choose a damp-rated fitting and a cool white light, which makes it easier to spot stains and sort colours before a wash.
Also good: Under-cabinet LED strips over the sink
Compare every lighting option
Layout and sizes
Measure the yard, then mark the fixed points: window, drying rack, floor trap, water point, sanitary stack and the door to the kitchen. These decide where the machines can go. Plan the washer near the water point and floor trap, the dryer stacked on top or beside, the sink next to the machine and a tall cabinet at the end. Leave a clear walkway and space to open machine doors and the window.
HDB rules that apply
- Windows: window installation or replacement needs a renovation permit and a BCA Approved Window Contractor listed with HDB. For flats handed over from 1 July 2007, service yard windows only need a colour scheme similar to the original HDB windows.
- Grilles: installing or replacing service yard grilles needs a permit; for flats handed over from 1 July 2007, grilles must follow HDB-approved designs, which you can view on MyHDB.
- Drying rack: a ceiling drying hanger needs no permit, but fasteners must not exceed 6mm in diameter and 40mm in penetration depth.
- Plumbing: water and sanitary works, including adding a sink, must be done by a PUB Licensed Plumber, and the floor slab must not be tampered with.
- Kitchen extension: extending the kitchen into the service yard without removing walls needs no permit, but services must not be tampered with and an exhaust fan is not allowed at the service yard.
- Pipe box-ups: allowed with lightweight non-combustible materials and a removable access opening of at least 600mm x 600mm.
HDB's guidelines do not set out a specific rule for replacing the service yard door, so ask your contractor to check with HDB before changing it. For reference, HDB's Sembawang Deck brochure (February 2026) lists an aluminium framed door with glass for the service yard.
Waterproofing and the floor
The service yard is a wet area. When replacing floor finishes, HDB requires the total thickness of finishes and screed to stay within 50mm and specifies pre-packed waterproofing screed for kitchens and open balconies, with a waterproofing membrane around sanitary stacks within a 400mm radius. HDB's guidelines do not name the service yard separately, so ask your contractor how they will waterproof it and to include a water test. Our guide to bathroom waterproofing in Singapore explains the same principles. Use a UPVC floor trap grating with a long collar, and do not cover the floor trap with cabinets.
Storage
Plan storage by item: detergents near the washer, cleaning tools in a tall broom cupboard, the vacuum on a charging shelf with a power point, and the ironing board on wall hooks. Open shelves above the machines are handy but collect lint, so cabinets with doors stay cleaner. Our post on storage ideas for small homes has more ideas.
Ventilation and drying
Clothes dry best with air moving through the yard. Keep the window clear and open, avoid filling the space under the drying rack, and run the dryer only with the yard door or window open if it is a vented model. A heat pump or condenser dryer adds less heat and humidity to a small space. Damp corners breed mould, so read our guide to preventing mould at home.
Common mistakes
- Blocking the floor trap or sanitary stack access with cabinets.
- Particleboard cabinets that swell within a year.
- No separate power point for the dryer.
- A tall cabinet under the drying rack.
- Adding an exhaust fan in the yard, which HDB does not allow when you extend the kitchen.
Checklist
- Mark the window, rack, floor trap, stack and water point on a plan.
- Decide on stacked or side-by-side machines and check door clearances.
- Confirm the sink drainage route with a PUB Licensed Plumber.
- Choose aluminium or PVC foam board cabinets raised off the floor.
- Plan power points for every appliance.
- Ask how the floor will be waterproofed and tested.
