How a solid wall manages water
Rain soaks into the outer face and dries out again in better weather. Lime mortar and plaster let moisture move through and evaporate, so the wall stays in balance.
TRADITIONAL BUILDINGS & BREATHABLE WALLS
DAMP IN CUMBRIAN
STONE COTTAGES.
Thick stone walls have kept Cumbrian homes standing for centuries. When they turn damp, the cause is often a modern repair working against how they were built.
Arrange a free surveyBuilt to
breathe.
Across Cumbria you’ll find red sandstone in Carlisle, Penrith and the Eden Valley, slate and volcanic stone around Keswick and the Lakes, and limestone and cobble in older farmhouses. Most were built with solid walls and lime, which handle moisture very differently from modern cavity walls.
What traps the moisture
Hard cement pointing, cement render, gypsum plaster and vinyl or plastic paints slow that drying. Water then collects in the wall and comes out where it can, as damp patches, salts and blown plaster.
Why it gets mistaken for rising damp
Trapped moisture often shows low on the wall, just like rising damp. Treating it with a chemical damp-proof course and more cement-based plaster can make the problem worse.
Rising damp guideFurther reading +
Is your wall
struggling?
Signs moisture is trapped
- Damp low on a wall that has been cement rendered or repointed with hard cement
- Bubbling or peeling plastic paint on stone or plaster
- Gypsum plaster that’s blown or salty near the floor
- Damp patches that appeared after a renovation
- Ground, paths or patios built up against the outside wall
What usually helps
- Lime pointing and lime render in place of hard cement
- Breathable finishes such as limewash or mineral paint
- Lowering ground levels and clearing drains next to the wall
- Keeping gutters and downpipes working
- Good heating and ventilation inside
How we
approach it.
Understand the wall
We look at how the wall was built, what has been added since and how it’s behaving inside and out, before suggesting any treatment.
Remove what traps moisture
That might mean taking off failed gypsum plaster, cement render or plastic paint, and sorting ground levels or drainage outside.
Repair with breathable materials
Where the wall needs it, repairs use breathable materials so it can dry. We’ll explain the drying time and which paints to use afterwards.
Help for older homes
across north & west Cumbria.
Send your postcode to confirm availability, including nearby towns and villages.
Check availabilityCarlisle & the north
Carlisle, Brampton, Longtown, Wigton
West Cumbria & the coast
Whitehaven, Workington, Maryport, Silloth, Aspatria, Egremont, Cleator Moor
Penrith & the northern Lakes
Penrith, Keswick, Cockermouth
Damp in stone cottages
FAQs.
Does my cottage need a damp-proof course?
Many traditional Cumbrian homes were built without one and stayed dry for generations. Before adding one, it’s worth finding out whether something modern is trapping moisture, as that’s often the real cause.
Can I use gypsum plaster on stone walls?
Gypsum doesn’t cope well with moisture and salts in solid walls. For damp-prone stone walls, a breathable plaster system is usually the better choice.
How long does lime take to dry?
Lime sets slowly and needs protecting from frost and from drying too fast. It can be several weeks before it’s ready to decorate, depending on thickness and conditions.
Can I insulate a stone cottage?
Yes, but solid walls need insulation designed for them, using breathable materials, or moisture can build up inside the wall. Get advice before fitting internal wall insulation.
Is limewash any good?
Limewash is breathable and suits traditional walls well. It needs renewing every few years, but it lets the wall dry in a way modern masonry paints often don’t.
My home is listed. Does that change anything?
Listed buildings and some homes in conservation areas, including many in the Lake District, need consent for certain changes. Check with your local planning authority before changing materials.
YOUR HOME. A CLEARER WAY FORWARD.
BOOK YOUR FREE
SURVEY OR QUOTE.
Damp, ventilation or plastering. Tell us what you need and arrange a free, no-obligation survey or quotation.
