Range from the cheapest fitting of a smoke alarm £84 (Mafaza Electrical (South West London) based in TW2) to the dearest fitting of a smoke alarm £174 (ThePlumbers.org based in TW7).

Comparing fire and security specialists estimates for fitting smoke detectors gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.

What to do - Get rates and quotes to fit a fire alarm in TW1 by posting a job with HaMuch and we will send it to fire and security specialists in TW1.

^*All prices are estimates based on the hourly or day rate of electricians in TW1, smoke alarm offers and materials.