All guides
Every DampDeck guide, grouped by section.
Diagnosis
9 guidesWork out which type of damp or mould problem you actually have, room by room.
Black Mould vs Other Types of Household Mould: What’s the Difference?
Not all mould is the same colour, and colour alone doesn’t tell you how serious it is. Here’s what you’re actually looking at.
Condensation, Rising Damp and Penetrating Damp: What’s the Difference?
The three types of damp look similar but have completely different causes, fixes and costs. Here’s how to tell them apart.
Damp and Mould in the Bathroom: Causes and What to Do
Bathrooms generate more moisture than any other room in the house. Here’s why mould keeps coming back and what actually stops it.
Damp and Mould in the Bedroom: Causes and What to Do
Bedrooms are one of the most common rooms for condensation and mould, often for reasons that have nothing to do with the bedroom itself.
Damp and Mould in the Kitchen: Causes and What to Do
Kitchens combine cooking steam, appliance heat, and often poor ventilation. Here’s why mould shows up behind cupboards and around windows.
Damp in a Basement or Cellar: What Causes It and What It Costs to Fix
Below-ground rooms are damp for structural reasons most other rooms aren’t. Here’s what’s actually involved in fixing one properly.
Damp in a Conservatory or Flat-Roofed Extension
Conservatories and flat-roofed extensions have their own damp patterns, driven by big glazed areas and roofs that are easy to get wrong.
Damp in a Loft or Roof Space: Causes and Warning Signs
Loft damp is easy to miss because most people rarely go up there. Left unchecked it can rot roof timbers.
New-Build Condensation: Why New Homes Get Damp Too
A newly built or newly plastered home can be damp for a specific, temporary reason that has nothing to do with a fault.
Treatment & Prevention
9 guidesPractical fixes, ventilation advice, and honest cost ranges for professional treatment.
Condensation Prevention: A Ventilation Checklist for UK Homes
Most condensation is preventable with habits and airflow changes that cost nothing. Here’s a practical, room-by-room checklist.
Damp-Proof Course (DPC) Injection: What It Involves and What It Costs
Chemical DPC injection is the standard fix for genuine rising damp — but it’s also the most over-sold treatment in the damp industry.
Dehumidifier Buying Guide for UK Homes
A dehumidifier can help manage condensation, but it treats the symptom, not the cause. Here’s what to know before buying one.
Does Anti-Mould Paint Actually Work?
Anti-mould and “mould-resistant” paints are a popular quick fix. Here’s what they realistically do, and what they don’t.
How to Remove Mould Safely
Cleaning mould without fixing the moisture source is a temporary fix, but doing the cleaning safely still matters.
How to Tell If a Damp Survey Company Is Overselling You
Most damp survey companies make money from the treatment they recommend, not the survey itself. Here’s how to spot an inflated diagnosis.
Insulation and Damp: Getting the Balance Right
Better insulation can reduce condensation risk in some situations and increase it in others. Here’s the balance that actually matters.
Positive Input Ventilation (PIV) Explained
PIV units are a step up from extractor fans for whole-house condensation problems. Here’s how they work and when they’re worth it.
Tanking a Basement or Cellar: What’s Involved and What to Ask
Tanking is specialist structural waterproofing, not a DIY damp-proof paint job. Here’s what a proper job actually looks like.
Awaab's Law & Rights
5 guidesWhat landlords are legally required to do about damp and mould, and how to escalate if they don't.
Awaab’s Law Explained: What It Means and Who It Covers Right Now
Awaab’s Law sets legal deadlines for social landlords to fix damp and mould. Here’s exactly what’s in force today, and what’s still to come.
Awaab’s Law in Scotland and Wales: How the Rules Differ From England
Scotland and Wales are taking different approaches to Awaab’s-Law-style protections. Here’s the position in each nation, verified against primary sources.
Damp and Mould in Shared Ownership and Housing Association Homes: Where You Stand
Shared ownership sits between owning and renting, which confuses a lot of people about who’s responsible for fixing damp. Here’s how it usually breaks down.
Landlord Obligations for Damp and Mould: HHSRS Explained
The Housing Health and Safety Rating System is how councils formally assess whether damp and mould in a rented home counts as a serious hazard.
Private Tenant Rights: What to Do If Your Landlord Won’t Fix Damp
Awaab’s Law doesn’t yet cover private renters, but you still have legal rights if your landlord ignores a damp or mould problem.
Health
3 guidesWhat NHS and public health guidance says about the health effects of damp and mould.
Damp and Mould Health Effects: What NHS Guidance Actually Says
Damp and mould are more common in UK homes than most people realise, and the health effects are well documented by NHS-affiliated sources.
Damp, Mould and Asthma: Managing the Specific Risk
Asthma is one of the most consistently cited health effects of damp and mould exposure. Here’s what that link means for managing symptoms.
Damp, Mould and Pregnancy: What to Know
Pregnant women are identified by NHS-affiliated guidance as a higher-risk group for damp and mould exposure. Here’s what that means practically.