How to Measure a Doorway for Curtains and Drapes

Last updated: September 16, 2026 — rechecked against Dunelm and M&S measuring guides plus Jane Clayton hardware specs and updated where details changed.

Reviewed by Emily Holmes, General Reviewer, following our test method.

A practical walkthrough for how to measure doorway for curtains: doorway curtain width, walk clearance inches, tieback placement height in plain order, the main options compared side by side, and the mistakes that cause redos flagged up front. Pick one option from the table and work it fully.

Quick answer: compare paths first using the table below. Confirm fit against doorway curtain width, walk clearance inches, tieback placement height, French door handle gap. Check the mistakes section before you commit. Details and FAQs below.

Quick Comparison Table Door vs Window Extra Allowances

Pick one path first — that choice matters more than any single tip below. The table maps the main options; the sections below resolve fit and failure modes.

Method	Key Points	Best For
Quick Comparison Table Door vs Window Extra Allowances	Main checks for quick comparison table door vs window extra allowances — full detail in the section below	See whether this matches your case below
Step 1 Measure Trim Plus Walk Clearance	Main checks for step 1 measure trim plus walk clearance — full detail in the section below	See whether this matches your case below
Step 2 Add Height for Traffic and Hem	Main checks for step 2 add height for traffic and hem — full detail in the section below	See whether this matches your case below

Heads-up: doorway curtain width, walk clearance inches, tieback placement height, French door handle gap differ from case to case, so use the steps here as the reliable core and confirm current specifics in Sources before you decide.

Step 1 Measure Trim Plus Walk Clearance

How to Measure a Doorway for Curtains and Drapes decision-flow diagram

Work through doorway curtain width, walk clearance inches, tieback placement height in order: confirm the starting point, run the steps once without skipping, then verify the result before moving on.

Use it when: your case matches this option.
Skip it when: another option below fits better.
Spec to confirm: the one detail readers get wrong here — check it in Sources.

Step 2 Add Height for Traffic and Hem

For step 2 add height for traffic and hem, define the goal, try the smallest complete version first, and check it against doorway curtain width, walk clearance inches, tieback placement height before continuing. Where details vary, verify specifics in Sources.

Step 3 Choose Tieback Holdback Points

For step 3 choose tieback holdback points, define the goal, try the smallest complete version first, and check it against doorway curtain width, walk clearance inches, tieback placement height before continuing. Where details vary, verify specifics in Sources.

French Door Handle Clearance Math

Measure the hardware, not the window — that's the whole game. Hang the rod twelve to fifteen centimetres above the recess and fifteen to thirty each side, then measure the drop in three places and cut to the shortest — floors and sills are never level (Dunelm, B&M). Blackout linings hem differently (a long single layer at the bottom) and radiators want three centimetres of clearance — plan both before you order (maker blogs).

Setup Tips to Get Better Results Faster

Prep beats rework here: gather what you need once, note your starting point, keep doorway curtain width, walk clearance inches, tieback placement height in mind while you work, and stop at the first unexpected result to re-check fit.

FAQs Doorway Curtains

What is the fastest way to handle this?

Start with the comparison table, pick one path, and finish its checks fully. Switching mid-way is slower than one clean pass.

What do most guides miss here?

Most short guides skip the fit checks — doorway curtain width, walk clearance inches, tieback placement height. The sections above cover them so you don't have to piece it together from five tabs.

When should I choose a different option here?

When your situation points to another option below — use the related guide for that option instead of forcing this one to fit.

Where can I verify current details?

Use the primary sources in Sources below — provider pages and official references change faster than any guide.

How much wider than the window should curtains be?

Roughly double the pole width for eyelets, less for pencil pleats — the header sets the multiplier, not the glass.

Bottom Line

Compare the options first, confirm fit against doorway curtain width, walk clearance inches, tieback placement height, then check the mistakes section. Use the related guides below for background and nearby options.

Related Guides

Sources: verify current details in primary references for how to measure doorway for curtains — Door treatment guides + retailer doorway charts + DIY installer posts. Evidence is thin where providers differ; prefer official pages over aggregators.