How to Prepare Your Home for Bespoke Door Fitting

How to Prepare Your Home for Bespoke Door Fitting

A bespoke door is one of those upgrades that genuinely transforms a room — the weight of solid hardwood, the clean fit within a well-made frame, the fact that it still works perfectly twenty years on. But the fitting day itself can either go smoothly or turn into a long, messy job depending on how prepared the space is beforehand.

These steps are based on the kind of prep that makes a real difference. Whether you're having an internal door replaced or a new external hardwood door fitted, getting a few things right in advance saves time, protects your home, and gives your joiner the best possible conditions to do the work properly.

Step 1: Measure the Opening Carefully — Before Ordering

This sounds obvious, but it's where most problems start. Old properties in Cornwall especially — whether a granite cottage, a converted barn, or a Victorian terrace — rarely have perfectly square openings. Walls settle, frames twist, floor levels change over time.

Measure the width at the top, middle and bottom of the opening. Measure the height on both sides. If those numbers differ by more than a few millimetres, flag it with your joiner before anything is ordered. A bespoke door can be made to fit a slightly irregular opening, but only if the measurements going to the workshop are accurate.

If you're unsure, ask your joiner to come out and measure before you commission the door. That's standard practice — it avoids expensive remakes.

Step 2: Check the Frame Condition

A new door fitted into a rotten or damaged frame is a short-term fix at best. Run your thumb along the rebate (the inner lip the door closes against) and press firmly into the corners and bottom rail of any existing frame. Soft, spongy timber means rot has set in.

External door frames in Cornwall take a battering from salt air and damp. If the frame needs replacing, it makes far more sense to do it at the same time as the door — opening up the wall twice costs considerably more in time and redecoration. Be honest about the frame's condition when you speak to your joiner.

Step 3: Clear the Work Area Properly

This means more than just moving a coat rack. Think about what's directly above and below the door opening too — a shelf unit fixed to the same wall, floor coverings that butt up to the threshold, fitted furniture nearby. Your joiner will need to plane, cut and fit, which produces dust and requires room to manoeuvre door blanks (often 2100mm or more in length).

For internal doors, move furniture at least a metre back on both sides of the opening. For external doors, clear the doorstep and make sure there's space outside to work and to lay a door flat if needed.

Step 4: Protect Floors and Finished Surfaces

Solid oak doors are heavy. Engineered hardwood frames get set down, moved, and sometimes leant against walls. If you've already got oak flooring or tiled floors near the opening, put down proper floor protection — not just a dustsheet, which slides. Use a protective board or a rubber-backed covering.

If walls have been recently plastered or painted, put masking tape over any surfaces that will be close to chiselling or planing. It takes five minutes and saves a redecoration argument later.

Step 5: Sort the Electrics and Plumbing Before Work Starts

This one catches people out. If the door being replaced is near a consumer unit, light switch, or any pipework running close to the frame, sort access to those before the joiner arrives. Chasing out a wall to move a switch mid-job is nobody's idea of a good day.

For external doors in particular, check whether any security wiring, door bells or smart-lock systems need to be disconnected temporarily. Make a note of what needs reconnecting afterwards and who's responsible for it — your joiner or a separate electrician.

Step 6: Agree Hardware and Ironmongery in Advance

Hinges, handles, locks, letter plates, threshold bars — these decisions affect how the door is prepared and hung. Butt hinges versus concealed hinges, for instance, require different mortising. If you're supplying your own hardware, have it on site before fitting day. If your joiner is supplying it, confirm the spec and finish in writing.

Chasing up a specific handle after the door is already hung means an extra visit and extra cost. It's worth having this conversation a week before, not the morning of.

Step 7: Think About Decoration Timing

New door frames almost always need filling, caulking and painting after fitting. If you're planning to redecorate the hallway anyway, do it after the door is in — not before. It's a simple thing, but painting walls before a new frame goes in, then having to touch everything up around it, is a very common and very avoidable waste of effort.

If your joiner is supplying a primed door, factor in lead time for your decorator. Some hardwood external doors benefit from two or three coats before they're exposed to a Cornish winter.

Getting these steps right before fitting day means the job runs cleaner, finishes faster, and the result is exactly what you paid for. It also means your joiner isn't spending the first hour of a chargeable day moving furniture or sourcing missing ironmongery.

If you're thinking about a new door — internal or external, bespoke or replacement — get in touch with RPG Carpentry. We work across Cornwall and can come out to assess the opening before anything is ordered, so the whole job goes smoothly from the start.

Frequently asked questions