A loud bang late last night was the only warning Berw Road residents had before a wall collapsed into their house.
Four houses were evacuated, after being showered with bricks, earth and rubbish.
Although the rain is easing, there is still flash flooding in many parts of the country. Meanwhile, things are beginning to get back to normal after yesterday's travel chaos.
Mike Griffiths reports.
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Rain may affect northern parts this evening but elsewhere some clear skies will develop allowing for a localised frost.
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AMs have passed emergency legislation, asserting that after Brexit the Assembly should get all EU powers on devolved matters.