B R Quiz

[quizgran]

Anyone know what you call a room with no window. Answer is 2 words beginning with initials B R. Thanks in advance for any help.

[dannyk13]

Back room

[roopower]

Box room?

[scorpiojo]

Boiler room has been suggested

[roopower]

Our boiler room at school had windows, and quite often box rooms do - bit of a headache without letter count!

[MargoTester]

Boot room?

[dannyk13]

This is a quiz so no letter count.

[roopower]

The answer to the old brain teaser is mushroom but that's no help here.

[scorpiojo]

Lol

[Georgiesmum]

Been answered several times before as back room.

[sandyRoe]

basement room?

[Canary42]

Basement room ?

[Canary42]

Bombproof room ?

As in "On 20 July, Hitler and his top military commanders entered the briefing hut of the headquarters, as the usual bombproof room, with no windows and thick walls of solid concrete, was considered "unbearably hot"

[gollob]

bath room

[Tuvok]

Would this have room in the answer when room is part of the question?