Mould & Damp

Clear, practical advice on identifying, preventing, and dealing with mould and damp problems in the home.

Damp Patch That Changes Size Daily: Causes, Signs & What to Check

Introduction Damp patch that changes size daily is something many homeowners notice at some point, often without a clear explanation. One day the patch appears larger and darker, the next it seems to shrink or almost disappear. This changing pattern can make the issue feel unpredictable and difficult to understand. In many cases, a damp […]

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Damp Caused by Neighbour’s Property: Signs, Causes & What to Do in UK Homes

Introduction Damp caused by a neighbour’s property is a situation many UK homeowners encounter, particularly in terraced houses, flats, and semi-detached properties where buildings are closely connected. When damp appears along a shared wall or boundary, it can be difficult to understand whether the issue is coming from your own home or from next door.

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Damp Coming Through Party Wall: Causes & What to Do in UK Homes

Introduction Damp coming through party wall is a common issue in UK homes, particularly in terraced and semi-detached properties where walls are shared between neighbouring buildings. When damp appears along a shared wall, it can be difficult to understand where it is coming from and whether the source is inside your property or next door.

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Damp Caused by Neighbour’s Guttering or Roof: Signs & Fixes

Introduction Damp caused by a neighbour’s guttering or roof is more common than many homeowners realise, especially in terraced or semi‑detached UK properties where rooflines and drainage systems sit close together. When damp appears on a shared wall or near a boundary, it can be confusing — the visible damage is inside your home, but

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Damp Caused by Ground Levels in UK Homes: Causes, Checks and What to Do

Introduction Damp caused by ground levels in UK homes is a relatively common issue, particularly in properties where external ground has been raised over time or where drainage is not working as intended. It often appears as damp patches on lower walls, peeling paint, or discolouration near skirting boards, which can be worrying if the

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Damp Around Chimney Breast After Rain: Causes and What It Means (UK Guide)

Introduction Seeing damp around chimney breast after rain can be worrying, particularly when the wall appears dry most of the time but damp patches suddenly appear during wet weather. Many UK homeowners notice moisture marks or staining on chimney breasts following periods of heavy rain or prolonged damp weather. Chimneys are one of the most

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Why Condensation Forms on Walls Overnight (UK Guide)

Introduction Seeing condensation on walls overnight can be surprising, especially when walls appear dry during the day but damp patches appear by morning. Many homeowners notice moisture on walls during colder months when indoor heating, humidity, and outdoor temperatures interact in ways that encourage condensation. In most UK homes this is a relatively common situation.

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Damp Patches Behind Wallpaper: What They Mean and What to Check (UK Guide)

Introduction Finding damp patches behind wallpaper can be surprising, especially when the wall initially looked normal. Many homeowners only discover hidden moisture when wallpaper begins peeling, bubbling, or staining. When the surface covering lifts slightly, it can reveal darker patches, mould spots, or areas of damp plaster beneath. This situation is relatively common in UK

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Damp Around Window Corners in Winter: Causes and What It Means (UK Guide)

Introduction Many homeowners notice damp around window corners in winter, especially when temperatures drop and indoor heating increases. Small patches of moisture, staining, or mould may appear in the corners of window frames or along the surrounding plaster. While this can be concerning at first, it is a common issue in many UK homes during

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Mould Appearing on External Walls Inside the House (UK Guide)

Introduction Many homeowners become concerned when they notice mould appearing on external walls inside the house, particularly in bedrooms, living rooms, or corners of rooms that face outside. Dark spots, patches, or slight staining can develop on the inside surface of these walls, often during colder months. While this can feel worrying at first, it

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