Guide

New Build Window and Door Snagging

Check how new build windows and doors open, close and lock, and learn how to record glazing damage, draughts and leaks for your developer.

Start by opening, closing and locking each accessible window and door as you would normally use it. A door that looks fine can still be hard to lock, and a draught may come from a different part of the frame than you first thought. Note which opening is affected and record what happens before adjusting anything.

Check Normal Operation First

Work one room at a time. Use the keys and handles the developer supplied. Ask for a demonstration if you are unfamiliar with a multipoint lock, an escape window or a restrictor. When a door rubs, note where in its travel it catches and whether the floor finish was already fitted. If the lock only engages when you push or lift the door, record that in your report.

Check that the keys, catches and restrictors provided are present and work in normal use. Report an opening that cannot be secured, or a possible escape or fire door issue, to the developer or building manager promptly. Ask the relevant team to investigate. Keep safety devices and seals in place and avoid forcing hardware.

Record Where You See Damage or Moisture

  • Glass: Photograph visible chips, scratches or marks, with a wider photo showing which pane is affected. Record the viewing conditions. The official NHQB checklist has its own viewing conditions where that checklist applies.
  • Frames: Note visible damage, loose fittings or gaps in the accessible perimeter finish. Specify whether the issue is at the top, sill or hinge side.
  • Seals and thresholds: Check what is visible from inside or ground level. Note whether water appears after rain and whether the mark is on the frame, sill or surrounding wall. Keep intentional vents and drainage openings clear.
  • Condensation: Record which surface is wet. Moisture on the room-side surface may relate to indoor humidity and ventilation. If it appears to be between the panes and you cannot wipe it away from an accessible surface, ask the developer to check the glazing unit.

Example: The side-hung bedroom window opens freely but the handle stops short when you close it, unless you push on the lower corner. Make a short video from inside showing ordinary use and label the opening by room and side. The developer can reproduce the symptom and check the alignment and hardware.

Send an Item the Developer Can Locate

Label each opening by room, side and position. A report entry can say, “Front bedroom, left-hand window, handle stops before locking when the window is closed normally.” Add the date and photos. If you suspect a draught or leak, describe when you notice it and ask for investigation. For a new home in England, ask the developer which installation specification and warranty guidance apply to your plot. A visual snagging visit can document the accessible condition and operation. Checking concealed installation details or diagnosing an intermittent leak may require further investigation.

For other rooms and fittings, see Ashbridge's room-by-room checklist. If you have several openings to document, send your notes when you enquire about a snagging survey.

Sources

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