Cat Flap Fitting in Composite Doors
Composite doors vary in construction, so a proposed cat-flap opening needs a model-specific assessment.

Cat Flap Fitting in Composite Doors — assessing composite construction before cutting an opening; assessing flap model
The door's internal structure, locking area and manufacturer's instructions determine whether modification is appropriate. Adjacent glazing or another route may be worth considering when the leaf cannot be altered suitably.
The detail that matters
Could the alteration affect my warranty?
Yes. Obtain the relevant manufacturer's position on the proposed change before authorising the opening.
Before the work
is agreed.
Could the alteration affect my warranty?
Yes. Obtain the relevant manufacturer's position on the proposed change before authorising the opening.
Can every composite door take a pet flap?
No. Available space alone does not establish that the internal construction is suitable for cutting.
What should I include in this enquiry?
Send the exact flap model and photographs of the proposed position from both sides. Include the postcode, the pet size and details of the panel, glazing or wall through which the opening is planned.
How is the quotation worked out?
The mounting surface, aperture, selected flap and required accessories influence cost. Replacement glazing or panels, tunnel components and making good should be included explicitly where needed.
When should the flap model be finalised?
Confirm the exact product before a panel or pane is ordered, because aperture dimensions and mounting accessories differ between models.
What should be checked on either side of the opening?
The pet needs a practical approach, suitable step height and unobstructed landing space, with the chosen position clear of other door or wall components.
When can the work be arranged?
For cat flap fitting in composite doors, confirm current assessment and supply times for your postcode. A first visit, made-to-order materials and the completed work may have different dates.
Does completing this form send a booking?
The form prepares a summary and an email draft for your review. Send the draft from your email app or call the team; the details of any booking are agreed separately.
Related services — Cat Flap Fitting in Composite Doors
Cat Flap Fitting in Composite Doors by area — postcode and access details
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