How Deep Should a Covered Porch Be? A Porch Depth Guide

The right covered porch depth depends on how you will use it. A covered porch should be at least 8 feet deep if you want to sit on it comfortably, and 10 to 12 feet deep if you want a sofa, sectional, swing or dining table. A 6-foot porch fits a pair of chairs; a 4-foot porch is really just a covered entry. Depth is the single most common porch mistake, because a porch that looks generous on a plan can feel cramped once furniture and a walkway are added.

Those ranges follow Angi’s guide to porch dimensions, which puts the minimum for any seating porch at 6 feet, calls 8 feet ideal for seating and recommends 10 to 12 feet for larger lounging areas. Here is how to size a porch for the way you will actually use it, shown in a custom home we designed outside Athens, Alabama.

Deep covered back porch with ceiling fan and seating overlooking open countryside outside Athens, AL
A broad covered porch spans the back of the house and faces the view.

Covered porch depth guide

DepthWhat fitsBest for
4 ftA doormat and a planterCovered entries only
6 ftA pair of chairs and a small tableFront porches with light use
8 ftA seating group with room to walk pastMost front and back porches
10–12 ftA sofa or sectional, a swing or a dining tableBack porches used as outdoor living rooms

How to size your porch

  • Start with the furniture. Decide what will live on the porch, then add a clear walkway in front of it.
  • Separate the walkway from the seating. If the porch is also the path to the front door, it needs extra depth so people aren’t walking through the conversation.
  • Think about the roof. Deeper porches need a roof that still lets daylight reach the rooms behind, so tall windows and ceiling height matter.
  • Plan for comfort. In North Alabama’s humid summers, ceiling fans and a porch that faces away from harsh afternoon sun make a big difference.
  • Match width to depth. A long, shallow porch reads as a walkway; a porch that is deep as well as wide reads as a room.

The Athens porches

The Athens home has two very different porches. A deep front porch with white columns and natural wood doors faces the road, and a broad covered porch spans the main living spaces across the back, facing open countryside. Ceiling fans and a full seating area make the rear porch a true outdoor living room through the long, warm seasons.

Covered back porch with ceiling fan, outdoor sectional and French doors in a custom home in Athens, AL
Deep front porch with white columns and wood double front doors on a modern farmhouse in Athens, AL

Read how the porches fit the rest of this home in our post on designing a modern farmhouse that lasts.

Frequently asked questions

What is a good depth for a covered porch?

About 8 feet works for most seating porches. Go 10 to 12 feet if you want a sofa, sectional, swing or dining table.

Is a 6-foot porch deep enough?

It fits a couple of chairs, but it gets tight once people walk past. If you plan to sit on the porch often, aim for 8 feet or more.

Will a deep porch make my house darker?

It can shade the rooms behind it. Taller windows, a higher porch ceiling and light-colored porch ceilings help keep those rooms bright.

Does Oak River Design work with my builder?

Yes. Oak River Design provides residential architectural design, custom house plans and builder-ready construction documents for homeowners and builders across Huntsville, Madison, Athens and North Alabama. See how our design process works.


See the full project: more photos of this home are in our portfolio as the Athens Residence.

Planning a custom home in Huntsville or North Alabama? Start a conversation with Oak River Design or call (256) 424-3700.