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You are here: Home / Design Tips & Tricks / Planning Wall Moulding in a Hallway or Stairway? Here’s the Guide I Wish I’d Had

April 24, 2026 · Leave a Comment

Planning Wall Moulding in a Hallway or Stairway? Here’s the Guide I Wish I’d Had

Design· Design Tips & Tricks· Our Home

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If you’ve been staring at your stairway wall trying to figure out where to start with wall moulding, you’re not alone. This Wall Moulding Planning Guide is exactly what I wish I’d had when we started our project.

Cover of the Designing Wall Moulding That Fits Your Home planning guide by House of Lowe Designs
Cover of the Designing Wall Moulding That Fits Your Home planning guide by House of Lowe Designs

You can get the guide here

Before we get into the how, let’s start with the why. What do you actually want wall moulding to do for your space? Do you want more character and interest? Do you want a smaller space to feel a bit taller or a grander space to feel a bit more personal? Getting clear on that first makes every decision after it easier.

From there it helps to look at the style of your home and what you’re actually drawn to. Pinterest and design books are great for this. Not just for saving pretty pictures but for studying them. Pay attention to what specifically appeals to you. Is it the profile of the trim? The proportions of the boxes? The way it works around a door or window? Getting specific about what you like is what separates a layout you love from one that just looks okay.

Once you have a sense of direction you can start playing with the layout. Looking at the existing features in your space. The door casings, baseboards, the angle of the stairs, and figuring out how to use those as guides rather than obstacles. Noting any spots that might create some conflict and thinking through how to handle them before anything goes up on the wall.

If you want to see how we worked through the layout decisions in our own space, I shared that process in detail in this post.

Introduction page from the wall moulding planning guide explaining the hallway and stairway project

That whole process is what the Wall Moulding Planning Guide walks you through, and it starts well before anything goes up on the wall.

The photos in this guide are from the planning and installation phases. The space is still in progress and not yet painted.

What’s Inside the Wall Moulding Planning Guide

Table of contents from the wall moulding planning guide showing planning and installation phases

The guide starts with the design and planning phase. I walk you through the steps I take to get clear on what I am trying to achieve in a space, how I want it to look and feel, and what I am actually drawn to and why. Once you can answer those questions and have a layout direction you feel good about, I walk you through how to think about applying that to your specific walls.

From there I cover the installation process and share the tricky situations and obstacles we ran into with our own project and how we handled them. Photos are included throughout to help you visualize what we are talking about.

Measurement diagram showing wall moulding box proportions with labeled dimensions for a hallway wall
Wall moulding stairway angle with white line annotation showing how the angled piece connects to installed moulding boxes

You will also find a Tools and Materials section covering what you need for this project, and resources for figuring out how to calculate the angle cuts for your staircase boxes.

At the back of the guide is a planning worksheet with prompts and space to capture your measurements, layout decisions, and notes as you work through your own project.

Cover of the Wall Moulding Planning Worksheet included with the planning guide

Before you purchase I want to make sure this is the right fit for you

This guide is for you if you are planning a wall moulding project in a hallway or stairway and feel stuck on the planning and layout process. The principles apply to any room but the examples and photos throughout are specific to our hallway and stairway project.

This guide walks you through a thinking process, not a decision tree. I am not going to tell you which design to choose. What I will do is help you figure out what you are drawn to, how to test it in your space, and how to work through the challenges specific to your walls. The design decisions are yours to make. I am here to help you think through them.

Two wall moulding layout options taped out on a hallway wall to test proportions before installation

A few things to know before you buy

This guide does not include step by step cutting tutorials or detailed photos of every cut we made. It focuses specifically on picture frame box moulding. The planning and design principles apply broadly, but the installation section including the angle calculations is specific to box moulding in a hallway and stairway. For the angle calculations on the stairway boxes I share the formula we used and direct you to a YouTube resource that shows the process visually far better than I could in a guide.

This guide is best suited for someone who wants a framework and a thinking process, with the benefit of someone who has already been through it, rather than a prescriptive layout formula.

Ready to Start Planning Your Wall Moulding?

More than anything I want this guide to feel like a friend coming alongside you for the project. Someone who has been through it, hit the same walls, figured out the workarounds, and can help you feel confident in the choices you are making and why you made them. Because when you understand the reasoning behind a decision you are a lot less likely to second guess yourself halfway through.

I also want you to feel equipped to handle the tricky spots. The obstacles you will hit that nobody warns you about. The places where the math doesn’t perfectly work out or the layout requires a bespoke solution. There are often multiple ways to solve a problem and knowing how to think through a fix, and why you went that route, is what gives you the confidence to apply it in your own space even if it looks a little different than what someone else did.

Not everything has to be perfect. Some of those imperfect moments are what give a space character. What makes it yours.

If that sounds like what you are looking for, I would love for this guide to be part of your project.

Get the Wall Moulding Planning Guide here.

Before and after of wall moulding layout planning in a hallway showing tape mockup and finished moulding boxes
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