By the Smart Home UK – Home Automation Reviews, Guides & Deals Team · Updated May 2026 · Independent, reader-supported

Home Automation Installation Cost UK – What to Budget in 2026

Home automation has moved well beyond the novelty phase in the UK, but cost remains the biggest question when homeowners consider installation. The reality is straightforward: costs vary hugely depending on whether you install yourself or hire professionals, which systems you choose, and how much of your home you're automating.

DIY Installation vs Professional Install

DIY costs less upfront but requires your time and technical confidence. If you're reasonably handy with technology, installing smart lighting, smart plugs, and basic sensors yourself typically costs just the hardware itself. A single smart bulb runs £15–40, a smart plug £10–30, and door/window sensors £20–40 each. For a modest two-bedroom flat, you could have basic lighting and security sensors working for under £200.

The catch: you'll spend evenings configuring apps, learning quirks of different brands, and troubleshooting connectivity issues. Some devices integrate smoothly; others need workarounds. If you're automating a whole house, expect 20–40 hours of setup time spread across several weekends.

Professional installation typically costs £1,500–5,000 for a full home setup, depending on complexity. Installers charge either a flat project fee or an hourly rate (£50–120 per hour). A professional visit to assess your home, plan the system, and install core components (lighting, climate, security) might take 2–3 days and cost £1,500–3,000. If you need additional wiring run through walls or complex integration between systems, costs rise significantly.

Room-by-Room Budget Breakdown

Here's what you'd realistically spend automating different areas of a typical UK home:

Living room and main bedroom (lighting, temperature, entertainment)

• DIY: £150–250 (smart bulbs, thermostat, smart TV or media hub)
• Professional install: £400–800 (adds labour, potentially wall-mounted switches)

Kitchen (lighting, appliances, possibly water/energy monitoring)

• DIY: £200–350 (smart bulbs, plugs for appliances, leak detector)
• Professional install: £500–1,000 (integrated smart lighting, built-in controls)

Hallways and secondary rooms (motion sensors, lighting)

• DIY: £100–150 per room (motion-sensor lights, smart bulbs)
• Professional install: £200–400 per room

Bathrooms (lighting, humidity, extraction fans)

• DIY: £80–120 per room (smart lights, humidity sensors)
• Professional install: £250–500 per room

Garden or outdoor spaces (lighting, irrigation, security)

• DIY: £150–300 (outdoor plugs, solar lights, cameras)
• Professional install: £500–1,500 (weatherproof wiring, permanent fixtures)

Entry and security (door locks, cameras, alarms)

• DIY: £300–600 (smart locks, doorbell cameras, basic system)
• Professional install: £1,000–2,500 (hardwired alarms, professional monitoring integration)

What Affects the Final Cost

System choice matters enormously. Mixing brands that don't integrate smoothly forces you to use multiple apps and lose automation benefits. A cohesive ecosystem—say, all Philips Hue lighting with an Apple HomeKit hub—costs more upfront but runs cheaper overall and saves troubleshooting time.

Existing infrastructure shapes costs. If your house has good WiFi coverage and modern wiring, installation is straightforward. Poor WiFi means buying mesh systems (£100–300). Very old wiring might require professional rewiring, adding £500–2,000.

Degree of integration determines complexity. Simple smart bulbs and plugs are cheap and fast. Full integration—where a single app controls everything, routines trigger multiple devices, and systems respond to occupancy or weather—requires professional design and costs considerably more.

Monitoring and support add ongoing costs. Basic DIY setups cost nothing beyond hardware. Professional installations often include 12 months of support (usually included) and annual monitoring plans for security systems (£100–300 per year).

Realistic Full-Home Costs

For a typical UK semi-detached or detached house:

• DIY, basic setup (core rooms, single brand): £800–1,500
• DIY, comprehensive (whole house, multiple brands): £2,000–3,500
• Professional, standard system: £3,000–5,500
• Professional, premium system (high-end integration, monitoring): £6,000–12,000+

Flats are usually cheaper (£500–2,500) due to smaller area; large houses or those with outbuildings cost more.

Practical Considerations

Start small if you're new to home automation. A single room's worth of smart lighting and a basic thermostat (£200–400) lets you understand what works before committing to a full installation. Most people find they return to certain devices frequently and ignore others, so experience guides later spending.

If you hire professionals, get multiple quotes and ask specifically what's included: installation only, integration, training, and follow-up support all vary. Request a detailed breakdown rather than a flat figure.

Budget 10–15% extra for contingencies. Walls are thicker than expected, run a cable under floorboards costs more than anticipated, and you'll likely want to add devices after installation.

Next Steps

Once you've worked out your budget and approach, compare specific products and systems for your needs. Dedicated home automation comparison guides cover individual product costs, reliability reviews, and integration capabilities to help you choose the right setup for your home and budget.