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Panic rooms, safe rooms and bunkers are often confused.
They are built for different things, in different places.
Here is the difference, and how long each one takes.
A panic room
A panic room is where you go until help arrives.
It is built against intruders.
It is usually a bedroom or dressing room, with reinforced walls and ceiling.
A security door closes it, with the rating set by the brief.
Design takes 4 to 6 weeks. The build takes 8 to 12 weeks.

A safe room
A safe room is a panic room you can stay in for longer.
It adds fresh air, its own power and an outside line.
Many London homes hide one behind a dressing room.
The timescales are similar to a panic room.
A bunker
A bunker is a reinforced concrete room below ground.
It is built for a different threat. Think fallout, distant blast and dust in the air.
It has a cast-in steel door, filtered air and a second way out.
It has to be planned with the basement.
Planning, design and permissions take 6 to 9 months. The build takes 12 to 18 months.
No home room can promise survival near a detonation. It buys you time.

Which one is right
That depends on the house, the brief and the time you have.
Some clients start with a safe room. A bunker follows with a new basement.
We start with a private conversation, never a sales pitch.
These are typical timescales. Every house is different.
Read more in why London homes are adding panic rooms.

Thinking about a protected room in a London home?Fill out the contact form or call 020 7731 6841. Every conversation is private.
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Published 14 November 2026. Written by the NU Projects studio, edited since for house style and accuracy.



