A smart home in Singapore costs anywhere from about S$150 for a single-room DIY starter to S$15,000 or more for a fully integrated landed home. Most HDB and condo owners who want a genuinely useful setup — smart lighting, switches, aircon control and a hub, professionally installed — land somewhere between S$2,000 and S$8,000. This guide breaks that down room by room and system by system, so you can see exactly where the money goes and where to start.
The short answer: smart home cost by tier
The single biggest factor is how much of the home you smarten and whether you install it yourself. Here is the honest range:
| Tier | What you get | Indicative cost (2026) |
|---|---|---|
| Single-room DIY starter | A smart switch, a bulb or two, a voice speaker | S$150–S$350 |
| One room done well | Switches, lighting, aircon control, a motorised curtain | S$500–S$1,200 |
| Whole-home starter (hub-based) | Hub, lighting and switches across rooms, aircon, light automation | S$2,000–S$6,000 |
| Full home integration | Lighting, curtains, security, network and scenes, professionally installed | S$8,000–S$15,000+ |
The number that actually matters is the cost of the first room, because that is the one that proves the idea to you before you commit to the rest.
What you’re actually paying for
A smart home bill is made of five things, not one. Knowing the split is what stops you overspending on the wrong layer:
- Devices — the switches, bulbs, controllers and sensors. Usually the largest line.
- The hub — optional at first; a one-off cost that ties everything together and adds offline reliability.
- The network — strong whole-home WiFi is what makes everything else reliable; skimping here is the most common false economy.
- Installation — labour for wiring, mounting and configuration. Some smart switches need a licensed electrician.
- Integration — the design and programming that turns a pile of devices into scenes that work. This is where a professional setup earns its fee.
Smart home cost by system
If you prefer to budget by what each part costs, these are the indicative Singapore ranges we quote from, per system:
| System | What it covers | Indicative SG price |
|---|---|---|
| Smart switches | Per gang, retrofitted to existing wiring | S$40–S$90 each |
| Smart lighting | Bulbs, strips, drivers, per point | S$25–S$120 per point |
| Motorised curtains | Motor, track and install, per window | from ~S$300 installed |
| Smart aircon control | IR/WiFi controller, per indoor unit | S$50–S$200 per unit |
| Security & CCTV | Cameras, NVR, install, per typical home | S$600–S$2,500 |
| Digital lock | Supply and install, per door | S$300–S$900 |
| Smart home hub | Local controller, one-off | S$150–S$600 |
| Mesh WiFi | 2–3 node whole-home coverage | S$300–S$900 |
Prices are indicative Singapore retail and install ranges as of July 2026, confirmed per home at survey.
Smart home cost by room
Most people budget one room at a time, which is also the smart way to spend. Rough all-in ranges, devices plus basic install:
| Room | Typical smart setup | Indicative cost |
|---|---|---|
| Living room | Smart switches, lighting scenes, aircon control, a curtain | S$600–S$1,800 |
| Master bedroom | Switches, dimming, aircon control, curtain | S$500–S$1,400 |
| Whole 4-room HDB | Switches and lighting throughout, aircon, hub, some automation | S$2,500–S$5,000 |
| Condo (3-bed) | As above plus mesh WiFi and multi-split aircon control | S$3,500–S$7,000 |
HDB, condo or landed: how cost changes
HDB flats are the most affordable to smarten: compact rooms mean fewer devices and simpler WiFi, and retrofit switches drop into existing wiring with no drilling. Condos cost a little more — thicker walls often need mesh WiFi, and multi-split aircon means one controller per indoor unit. Landed homes sit at the top of the range: three storeys need a hub and multiple WiFi nodes, and running the structured cabling properly during renovation adds cost up front but saves far more later.
DIY or professional installation?
A single-room, WiFi-based starter is a real DIY job and the cheapest route — you pay only for devices. Professional installation adds labour, but it buys three things worth paying for: mains wiring done safely and legally, a hub-based system that stays reliable across the whole home, and the integration work that ties lighting, curtains, aircon and security into scenes you actually use. As a rule of thumb, installation and integration add roughly 20–40% on top of hardware for a whole-home project — and that is the part that turns boxes into a system.
How to spend less without regretting it
- Fix WiFi first, then buy devices. A cheap device on bad WiFi is money wasted — unreliable smart homes are almost always network problems.
- Start with one room. Prove it works and learn what you actually use before scaling.
- Buy switches before bulbs. One smart switch makes every existing bulb on that circuit smart — cheaper than replacing each bulb.
- Plan the ecosystem early. Mixing brands with no plan means buying twice. Decide WiFi-then-hub from the start.
- Phase the spend. A hub-ready setup lets you add rooms over months without throwing anything away.
Is a smart home worth the cost?
Beyond convenience, a smart home pays back in two measurable ways. It trims your heaviest electricity load — aircon and lighting that no longer run in empty rooms — and it adds a layer of security that a camera-and-lock combination provides for a modest one-off cost. It will not pay for itself overnight, but a well-planned setup that you keep for years is one of the better-value upgrades in a Singapore home, precisely because it builds on what you already own rather than replacing it.
Frequently asked questions
How much does a smart home cost in Singapore?
From about S$150 for a single-room DIY starter to S$15,000+ for a fully integrated landed home. Most HDB and condo owners spend between S$2,000 and S$8,000 for a professionally installed whole-home setup.
What is the cheapest way to start a smart home?
A single smart switch plus a voice speaker — around S$100–S$200 — makes your existing lights app- and voice-controlled without changing a bulb. It is the highest-impact, lowest-cost first step.
How much does it cost to make a whole HDB flat smart?
A typical 4-room HDB with smart switches and lighting throughout, aircon control, a hub and some automation runs roughly S$2,500–S$5,000 installed, depending on how many points and rooms are covered.
Does a smart home add to my electricity bill?
Negligibly — smart devices draw tiny standby power. A well-set-up smart home usually lowers the bill by cutting wasted aircon and lighting runtime, which far outweighs the devices’ own consumption.
Is professional installation worth the extra cost?
For a single room, DIY is fine. For a whole home — especially anything involving mains wiring, a hub, or integration across systems — professional installation buys safety, reliability and scenes that actually work, typically adding 20–40% over hardware.
Can I build a smart home gradually to spread the cost?
Yes, and it is the smart approach. Start hub-ready in one room, then add rooms and systems over time without replacing anything. Phasing spreads the cost and lets each stage prove itself first.
Get a clear smart home quote for your flat — no guesswork
Every home is different, so the honest answer to “what will it cost” comes from a quick look at your rooms and goals. At Roen we plan the whole setup to a budget: what to do first, what to phase, and one price for design, supply and install. See what a complete smart home in Singapore includes, or talk to us for a tailored quote.
All figures are indicative Singapore retail and installation ranges as of July 2026 and are confirmed per home at survey. Ranges reflect Roen installation practice across HDB, condo and landed homes.