Welcome to the AECB Forums Landscape/habitat/ecology Bats living in our rainscreen.

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    Nick Grant

    last night we counted about 30 bats emerging from top board of our timber cladding.

    I generally try and keep the boards tight so mice can't get in but the bats found a pencil thin gap as the boards dried. House has been up about 5 years and this is the first time we had heard or seen anything.

    So, great for wildlife but will they cause damage and if so what to do?? Build up is straw, Timberwrap breathable membrane and 2″ air gap before the boards.


    (And no I don't know what species)

    Julia Bennett

    Hi Nick

    How amazing. You may know some or all of the content already, but there is a very recent Good Refurbishment Guide on Bats and Refurbishment which you can download free from this address:


    You may not be able to do anything this season, but to make an alternative roost for next season, it shows some of the different bat house/ box types. You will need to identify the species.
    If you need advice, we use Ecology Solutions at Stow on The Wold:

    Hope you can enjoy having them this season.

    Peter Wilkinson

    You are truely blessed Nick, to have bats.

    We've had bats in our verge cappings for about 8 to 10 years, however there's nothing they can damage like your straw. At the time I contacted our local authority to find out what to do / not to do & they gave us free advice (never mind £10 for a leaflet from BRE).

    Nick Grant

    Thanks all

    Will try Council ecologist and batwoman. last time she dropped by she nearly tripped over Sheila's bucket of wild flowers on the way out! Ones she had rescued of course but didn't look good. Sure they will advise on environmentally friendly bat poison (-:

    Mark Siddall

    Could you build a little bat cave (or box) and lure them into living there instead?



    (never mind £10 for a leaflet from BRE).

    I thought ten pounds for six pages was a bit steep too!
    Until I saw that it's £11.50 to download the PDF 😮

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