Condensation on Sash Windows: How to Stop It Without Losing the Originals
Original sash windows streaming with condensation? Why it happens, when it damages the timber, and how to cut it with ventilation and secondary glazing.
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Condensation in the Loft: Why Your Roof Is Wet Inside and How to Fix It
Wet felt and dripping timbers in the loft are often condensation, not a leak. How to tell the difference, why it happens and how to fix it at the source.
Soakaway for an Extension: Where Does the Rainwater Go in a London Garden?
Building regs put a soakaway first for extension rainwater, but London's clay and small gardens often rule it out. The rules, the tests and the alternatives.
Trussed Roof Loft Conversion: Can You Convert a Loft With Roof Trusses?
Trussed roofs can often be converted, but never by cutting timbers. How to spot one, how engineers redesign the structure, and when pitch or span rule it out.
Adding a Toilet to a Garage Conversion: Drainage, Macerators and the Rules
A toilet in a converted garage is usually possible. How the waste reaches your drains, when a macerator is allowed, and what building control checks.
Mould Around New Windows? Why It Appears After Replacement and What to Do
New windows make homes more airtight, so moisture condenses on cold reveals instead. Why mould appears after replacement, what Part F says and what to do.
Patio Higher Than Your Damp Proof Course? Why It Causes Damp and How to Fix It
A patio laid at or above the damp-proof course can cause damp that looks like rising damp. The 150mm rule, how to check your wall and the realistic fixes.
Will You Pay CIL on Your House Extension? The 100 m² Rule and Form 9 Explained
Most London home extensions never pay CIL, but extensions of 100 m² or more must claim the exemption on Form 9 before work starts. The rules in plain English.
Bats in Your Loft? What It Means for a London Loft Conversion
Bats don't usually stop a loft conversion, but roosts are protected by law even under permitted development. Surveys, licences and timing explained.