Author Archives: James

TL;DR New windows can reduce mould caused by cold glazing, failed sealed units and draughty frames, but they will not solve wider damp or ventilation problems on their own. Condensation and mould usually develop through a combination of moisture, cold surfaces and poor airflow, particularly in bedrooms, bathrooms and older UK homes. Modern double glazing. . . read more

TL;DR Window compliance is about more than paperwork — replacement windows must meet standards for energy efficiency, ventilation, safety glazing and escape access. Missing FENSA or Certass certificates can delay house sales, but physical non-compliance may also create condensation, draughts, safety risks and costly remedial work. Common problems include missing trickle vents, unsafe low-level glazing,. . . read more

TL;DR Window frame material affects heat loss, condensation and comfort just as much as the glazing itself, particularly in older UK homes and large glazed spaces. uPVC, aluminium, timber and composite frames all perform differently depending on thermal breaks, sealing quality, maintenance and how well they suit the property type. Whole-window performance matters more than. . . read more

TL;DR Cheap window and door quotes often reduce costs through weaker hardware, lower-spec glazing, rushed installation and limited finishing work that only become noticeable later. Common long-term problems include draughts, condensation, failed sealed units, dropped doors, higher heating bills and expensive remedial repairs around frames and reveals. Good value is not the same as buying. . . read more

TL;DR New windows can improve comfort and reduce heat loss, but they cannot fix loft insulation, floor draughts, cold walls or wider thermal weaknesses elsewhere in the home. Some homes feel colder after replacement because airtight glazing exposes existing heat-loss problems or changes airflow patterns through trickle vents and ventilation. Common causes include poor perimeter. . . read more

TL;DR Quarterly washing of frames, glass, drainage holes, and trickle vents matters more than how often you clean the glass alone. Mild soapy water and microfibre cloths are almost all that most homes need; avoid abrasives, ammonia, bleach, and pressure washers. Each material has its own demands. uPVC and aluminium need quarterly cleaning only; engineered. . . read more

TL;DR Match the window colour to the property era and architecture before personal preference. White suits period homes and 1930s semis; anthracite grey or black suits contemporary new builds; cream and heritage shades suit cottages and Edwardian properties. Coordinate the window colour with the brick or render, the roof, the front door, and any visible. . . read more

TL;DR Quality modern double glazing reduces external noise by 25 to 30 decibels. Acoustic laminated double glazing reaches 35 to 40 decibels, and secondary glazing fitted to sound primary windows can achieve 45 to 50 decibels. For traffic noise, ask installers for the Rw + Ctr rating rather than just Rw. The Ctr-adjusted figure accounts. . . read more

TL;DR Trickle vents are required on most replacement windows in England and Wales since 15 June 2022 under Approved Document F, even when the original windows did not have them. The thermal cost is small (typically £15 to £40 per year) and the noise impact can be addressed with acoustic vents. Both are far smaller. . . read more

TL;DR Quality modern windows last 20 to 40 years, depending on material: uPVC 20 to 25 years, aluminium 30 to 40, engineered timber 30+ with refinishing every five to seven years. The frame, sealed glazing unit and hardware all have different lifespans. Failed units can often be replaced individually for £150 to £400 when the. . . read more