🇬🇧
Smoke Alarm Installation Prices United Kingdom
Prices include VAT at 20%. The Smoke and Carbon Monoxide Alarm (Amendment) Regulations 2022 require landlords to fit smoke alarms on every storey and CO alarms in every room with a fixed combustion appliance. Building Regulations Part B governs new builds. Always check current requirements with your local council or a registered electrician.
Smoke Alarm Prices by Service Type — United Kingdom
Prices include VAT at 20%. The Smoke and Carbon Monoxide Alarm (Amendment) Regulations 2022 require landlords to fit smoke alarms on every storey and CO alarms in every room with a fixed combustion appliance. Building Regulations Part B governs new builds. Always check current requirements with your local council or a registered electrician.
| Service | Unit | From | Average | Up to |
|---|---|---|---|---|
| 🔔Optical Smoke Alarm Supply + Install Supply and install a mains-wired or sealed-battery optical smoke alarm compliant with BS 5839-6 and Building Regulations Part B | /unit | £40 | £60 | £90 |
| 🏠Interlinked Smoke Alarm System (3-bedroom house) Full interlinked smoke alarm system for a 3-bedroom home — supply, install, and test all alarms per BS 5839-6 Grade D LD2 minimum | /job | £220 | £330 | £500 |
| ⚡Mains-Wired Smoke Alarm Install (per unit) Install a 230V mains-wired smoke alarm with battery backup, wired to the ring main by a Part P qualified electrician | /unit | £60 | £88 | £130 |
| 📡Radio-Interlinked Smoke Alarms Radio-interlinked sealed-battery smoke alarm system — no mains wiring required, suits older or listed buildings | /job | £180 | £280 | £420 |
| 📋Smoke Alarm Compliance Inspection Inspection and report confirming smoke alarms meet current Building Regulations Part B and BS 5839-6 requirements for HMOs and lettings | /job | £50 | £75 | £120 |
| 🔄Smoke Alarm Replacement (per unit) Replace an expired or faulty smoke alarm — supply, remove old unit, fit new alarm, and test | /unit | £30 | £50 | £80 |
| 🌡️Heat Alarm Install (kitchen) Supply and install a heat alarm for the kitchen — required alongside smoke alarms to meet BS 5839-6 LD2 coverage | /unit | £45 | £65 | £100 |
| 💨Carbon Monoxide Detector Install Supply and install a CO alarm per BS EN 50291 — legally required in rooms with solid fuel appliances under the Smoke and CO Alarm Regulations 2022 | /unit | £50 | £72 | £110 |
| ✅Smoke Alarm Annual Testing Service Annual smoke and CO alarm test, clean, and report — recommended for landlords to evidence compliance with the Smoke and Carbon Monoxide Alarm Regulations | /visit | £35 | £55 | £90 |
| 🔗Smoke Alarm + Intruder System Integration Integrate smoke alarms with an existing intruder alarm panel or smart home system | /job | £120 | £185 | £280 |
| 🏡HMO / Rental Compliance Package Full smoke and CO alarm compliance service for HMOs and rental properties — inspection, replacement, and compliance documentation for landlords | /job | £150 | £240 | £380 |
| 🔧Whole-House Smoke Alarm Upgrade Remove old ionisation alarms and install a fully interlinked optical and heat alarm system compliant with current Building Regulations | /job | £200 | £340 | £550 |
Smoke Alarm Prices by City
Click a city for detailed local pricing and tips
London
England · 9.0M
From £52
Manchester
England · 2.8M
From £40
Birmingham
England · 2.6M
From £38
Leeds
England · 800K
Pricing available
Liverpool
England · 900K
Pricing available
Bristol
England · 470K
Pricing available
Sheffield
England · 580K
Pricing available
Newcastle
England · 300K
Pricing available
Nottingham
England · 330K
Pricing available
Southampton
England · 260K
Pricing available
Brighton
England · 230K
Pricing available
Cambridge
England · 145K
Pricing available
Oxford
England · 155K
Pricing available
Reading
England · 175K
Pricing available
Plymouth
England · 265K
Pricing available
Edinburgh
Scotland · 530K
From £44
Glasgow
Scotland · 630K
From £42
Aberdeen
Scotland · 230K
Pricing available
Dundee
Scotland · 150K
Pricing available
Cardiff
Wales · 370K
Pricing available
Swansea
Wales · 245K
Pricing available
Belfast
Northern Ireland · 345K
Pricing available
Smoke alarm installation prices in United Kingdom range from £30 for a single alarm supply and install to £550 for complex whole-house interconnected systems. Prices include VAT at 20%. The Smoke and Carbon Monoxide Alarm (Amendment) Regulations 2022 require landlords to fit smoke alarms on every storey and CO alarms in every room with a fixed combustion appliance. Building Regulations Part B governs new builds. Always check current requirements with your local council or a registered electrician.
The most common smoke alarm services in United Kingdom include photoelectric alarm supply and install, interconnected system installation, hardwired alarm installs, wireless interconnected systems, compliance inspections, alarm replacement, heat alarm installation, carbon monoxide detector installation, annual testing, and rental property compliance packages.
Use a specialist smoke alarm compliance company rather than a general electrician for battery or wireless installations. Bundle multiple properties if you are a landlord. Choose wireless interconnected alarms to avoid wiring costs. Compare at least two quotes for whole-house upgrades. Prices include VAT at 20%. The Smoke and Carbon Monoxide Alarm (Amendment) Regulations 2022 require landlords to fit smoke alarms on every storey and CO alarms in every room with a fixed combustion appliance. Building Regulations Part B governs new builds. Always check current requirements with your local council or a registered electrician.
Hardwired (mains-powered) smoke alarms must be installed by a licensed electrician in United Kingdom. Battery and wireless alarm installation requirements vary. Always confirm current licensing requirements with the relevant authority in your state, province, or region. Prices include VAT at 20%. The Smoke and Carbon Monoxide Alarm (Amendment) Regulations 2022 require landlords to fit smoke alarms on every storey and CO alarms in every room with a fixed combustion appliance. Building Regulations Part B governs new builds. Always check current requirements with your local council or a registered electrician.
Related Services
Compare prices for other building and property services