Written by the people who install them.
Plain-English guides on the questions our surveyors get asked most — regulations, performance, and what actually matters when you compare quotes.
Window U-values explained for London & Home Counties homes
Understand window U-values, energy ratings and Part L when choosing energy-efficient glazing in London and the Home Counties.
Part L for homeowners: what your installer must comply with
The 2022 Part L uplift changed the rules for replacement windows and doors. Here is what actually applies to your project, and how to spot a quote that ignores it.
Planning a garden room: permitted development, foundations, and lead times
What you can build under permitted development, how our garden rooms are engineered for year-round use, and a realistic 12-week timeline from survey to handover.
uPVC vs aluminium: an honest comparison for UK homes
Sightlines, thermal performance, longevity and design suitability. What each material is genuinely good at — and where installers oversell the alternative.
How to compare three window specifications confidently
The seven details that should appear in every proposal, common sales tactics, and how to compare specifications between installers.
Condensation on new windows: why it happens and how to fix it
Condensation on brand-new A-rated glazing is almost always a ventilation problem, not a window fault. Here is how to diagnose it and what to do.
Window and door security: what PAS 24 and Secured by Design actually mean
The two accreditations that separate serious security hardware from marketing spec. What insurers look for, and where to spend and where not to.
Caring for your windows and doors: a simple annual routine
Ten minutes twice a year keeps modern uPVC and aluminium performing for decades. The exact products to use, and the ones to avoid.
Bring the outside in.
Request your free survey.
Speak with our design team, book a home survey, and receive a fixed written quotation — all with no obligation.
Call · 020 3633 0405