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Bricklaying & Repointing

Can I install an airbrick in the corner of my house?

Anonymous user 23/02/2024 - 3.52 PM

My house has been extended to the front and side with concrete subfloors. The builder didn't leave pipes and airbricks so now the original suspended flooring has ventilation problems which has led to mould. I was wondering if it's okay to install an airbrick in the corner of house, where the two concrete extensions meet, to try and get some airflow into the suspended flooring. Would putting it in the corner weaken the building structure or does that not matter? --- Update Thanks everyone for the replies. I can't seem to reply to individual answers so updating the main question instead. It's a semi-detached but it's been extended to the rear, side and front. Here's an image of the floor plan: https://share.icloud.com/photos/0416O9Ty9OdqFpWkiNFRShoGw I've highlighted the bits that are suspended flooring. The rest is concrete flooring. I have the mould issue under the staircase. I can get airbricks in the front bedroom but the challenge is the hallway under the staircase. I can get 1 airbrick to the side of the living room as there's a tiny gap after the rear extension but not sure if this 1 airbrick would be enough.

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4 Answers

Anonymous user

id say have it 2 to 3 bricks across from the corner if possible, not right on the corner and id suggest to have 2 air bricks, one opposite side would be good to allow the circulation of input and output for the airflow. If worried about the "looks" you should be able to find various coloured airbricks to match your brickwork.

Answered19 May 2023

Anonymous user

yes but would be more efficient centralised.

Answered19 May 2023

Anonymous user

Hi, Not allowing for ventilation both ways, when in the case that, the underfloor void area left in-between concrete sub floors, indeed can cause mould and damp problems. A semi detached property would give the option to haveair brick fitted on the detached side of the house, having the air flow front to side of house. If fully detached property, the air brick can be fitted both sides of house, wich will increase air floe from all 3 sides. PS. If its the case that the property is a terraced house, the best option is to have a Z shape flat connection that will be connected under floor boards and coming up on top.of the DPC floor level and to.be drilled for the connection, also for the external wall matching air brick to be fitted. And that

Answered19 May 2023

Anonymous user

Hi , in my experience I would install 4 air bricks either end for through flow, but they would have to be approximately 500mm in from the corners, then 6 feet apart front to back, like a mirror image. . Hope this helps

Answered16 June 2023