Home renovation1 min read

Panic room, safe room or bunker?

Panic rooms, safe rooms and bunkers are often confused. What each is built for, and how long each takes.

Visualisation of a padded security door closed inside a London dressing room.
Visualisation of a padded security door closed inside a London dressing room.Case study

Luxury renovation company in London. Whole houses and apartments, priced open book, under one contract.

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.

Visualisation of a hand turning the lock on a padded security door
Visualisation of a hand turning the lock on a padded security doorCase study

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.

Cutaway visualisation of a protected concrete room below a London garden
Cutaway visualisation of a protected concrete room below a London gardenCase study

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.

Visualisation of a family inside a small protected room with bunks
Visualisation of a family inside a small protected room with bunksCase study

Thinking about a protected room in a London home?Fill out the contact form or call 020 7731 6841. Every conversation is private.

This is the work we do. Luxury renovation company in London, or ask for a cost estimate.

Published 14 November 2026. Written by the NU Projects studio, edited since for house style and accuracy.

Filed underHome renovation

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