Guide
Fitting shutters bought elsewhere: four checks before booking
An ex-display or moved shutter can share an opening's headline width and still fail once the assembled frame, hinge gaps and panel swing are included. Treat the supplied parts and the real opening as one system before booking, rather than assuming that a panel which sits between the visible edges is ready to fit.
By Shutter Installation · 31 August 2026
Quick answer
Fitting shutters bought elsewhere depends on four gates: a complete assembly, dimensions and frame layout that suit the opening, a sound fixing surface, and enough clearance for the panels, louvres and window hardware. Customer-owned shutters are fitted only after those conditions and any viable adaptation are confirmed.
Key takeaways
- A missing manufacturer-specific part should stop the booking rather than be replaced with convenient substitute hardware.
- Measure the assembled frame and its hinge gaps, not only a loose panel or the visible opening edges.
- A frame position that solves one obstruction can create another, so fixing support and full movement must be resolved together.
Before booking
Send the set as an assembly, not a single measurement
- Photograph the complete opening and shutter set straight on.
- Show every frame section, panel, hinge, catch, magnet and fixing.
- Add the reveal, handles, vents and proposed fixing surface from the side.
- Provide labelled opening, assembled-frame and panel dimensions.
- Share the supplier parts list and fitting instructions where available.
Are the shutters and fitting parts complete?
Lay out every panel and frame section with the hinges, pins, catches, magnets, cover strips and specified fixings before booking. The supplier parts list and instructions show whether a small bag of hardware is missing or whether the frame itself is incomplete.
A panel should not be hung on substitute hardware merely to make the set appear complete. Incompatible hinges or catches can change the gaps, support and closing position, so missing parts need identifying before a secure fitting is confirmed.
Do the assembled dimensions and frame layout suit the opening?
Compare the complete frame dimensions and panel layout with the width, height and squareness of the actual opening. A panel may fit within the nominal width yet still fail because the assembled frame, hinge gaps or centre posts need more space.
Flat-packed shutters made for the current opening still need their assembled dimensions checked. Ex-display, clearance or moved shutters were specified elsewhere, so their frame layout, old fixing holes and hardware can differ even when the headline width and height look close.
Is there a sound fixing surface for the shutter frame?
The shutter frame needs a stable surface where it can be levelled and fixed without distorting. Reveal depth, plaster condition, trim, tiles and the window frame all influence where that position can be, and the supplied frame type must suit it.
A set that fits between the visible edges can still be incompatible if there is nowhere dependable to secure it. Any packing or adaptation must preserve the frame line and support rather than use filler to disguise an unstable fixing point.
Old fixing holes can be reused only when they remain sound and support the required frame position. They should not dictate an alignment that leaves the returned frame twisted, unsupported or too far forward for the panels and window hardware.
Will the panels clear handles, vents and furniture?
Check the full movement of the window and the proposed shutter panels, not only the closed position. Projecting handles, vents, deep sills, inward-opening windows, radiators and nearby furniture can block louvres or stop a panel folding where it needs to rest.
Clearance decides everyday usability. Moving the shutter frame forward may solve one obstruction but change the visible proportions or reduce space in the room, so the operating sequence should be agreed before any fixing begins.
A successful fitting leaves the frame level and secure, with controlled panel gaps and no rubbing through the full opening movement. Hinges, catches, magnets and louvres should work together, while the window handles and vents remain usable. The result must work, not only look aligned while closed.
Adaptation is considered only when the supplied assembly and opening can still produce that result. If dimensions, parts or fixing conditions differ from the assessment details, the work should pause while the constraint is explained rather than force the set into place.