Top 14 Smoke Alarms

Discover the UK's favourite smoke alarms, see how shoppers rate them, and learn where you can buy them across 15 supermarkets.
1

Where to buy

£6.00
£6.99
£7.00
+2
STORES
2

Where to buy

£7.50
£7.99
£8.79
3

Where to buy

£14.39
£15.00
£15.00
+1
STORE
4
5
6
7

Where to buy

£15.99
£20.70
£21.00
8

Where to buy

£5.99
£7.25
£10.00
+2
STORES
9
10

What people say

65 reviews from 7 shops
“Love these Duracell batteries! Super handy to have around the house - I used these for my smoke alarm and love how it comes in a handy 2 pack for upstairs and downstairs!”
“These are fantastic and could save our life's and house if my husband don't stop cooking and setting them off”

Where to buy

£4.50
£4.50
£4.50
+4
STORES
11

What people say

1 reviews from 3 shops
“I love americium-241!!! it's like a warm hug and all 200 smoke alarms I have purchased have been a great help towards the creation of my big fun hug zone (nuclear fission reactor)”

Where to buy

£21.95
£24.60
£28.00
12

Where to buy

£18.95
£20.00
£20.00
13
14

Where to buy

£12.00
£14.99
Battery Packs