What Size Fireplace Do I Need? (Making The Right Decision)

What Size Fireplace Do I Need? (Making The Right Decision)

Picking the right size chimney for your room is usually a more difficult task than you'd picture. You don't need it too huge or too little. You want to install a unit that does not look lost in your home. You want to install a unit that does not overwhelm your room.

So, how do you pick the right fireplace for your home?

There is no straight answer to the above question; it’s just a matter of personal choice.

However, we’ll give you some few points to consider (as well as a few tips to follow) when choosing the right size of the fireplace for your home.

Determine the Width of Your Fireplace

If you’re installing a fireplace on your chimney breast, then you have to ensure that the width of the fireplace (or fireplace surround) is less the chimney bosom. But his does not mean that it should never be wider, though it may look somewhat odd.

Some folks prefer the mantel to stay right up to the chimney edge while others prefer to have a reasonable size area bordering their fireplace. If you plan to fit the chimney on a flat wall, then you don’t have to worry about the width of the fireplace you buy.

A Tape Can Be Helpful

I often advise people to simply draw or employ a tape measure to determine the size of fireplace they need.

This will not only give you a good idea of the size of the fireplace to buy, but it also lets you visualize how it will look like in the room.

Selecting The Correct Height

After you’ve successfully worked out the right mantel width you need, you can then go on and work on the height aspect.

Again, here you can draw or just use the tape to mark the wall to get the best size.

Determining the Rebate Size

First of all, what does the word rebate mean?

Many people get confused at the mention of this name. Rebate is simply the area between the inside edge of your fireplace and the wall.

This space is necessary as it allows the backboard, slips or the cast addition to fit well behind your fireplace. All fireplaces feature rebates, which tend to fall between the measurements: 25mm, 35mm 50mm, and 75mm.

What’s The Right Hearth Size For You?

The building regulations have put up some standard sizes to be followed by fireplace builders. In case you're planning to install a gas or solid fuel fireplace, there are a few aspects you need to consider:

In the cases of solid fuel fire or inset gas fire, your hearth needs to:

  • Extend in front of the unit by up to 12 inches (300mm)
  • Feature no less than 6 inches (150mm) either side
  • The minimum thickness should be 2 inches (48mm)

Important Note: if you’re planning to install a wall-mounted gas fireplace or the hole-in-the-wall model without involving a hearth, then you should install it no less than 12" (300mm) above the floor.

In case you're introducing the electric fireplace, you don’t need to worry about the size factor.

Selecting The Right Gas Fireplace Insert

If you pick a gas insert unit for your fireplace, then your fireplace must have a back panel. The back panels for fireplaces come with a standard opening size of 22" high x 16" wide (560mm- 406mm).

Most of the inset gas units are intended to fit in the standard size fireplace.

An essential thing to check is the suitability of the fireplace as well as the fire depth.

What’s The Correct Electric Fireplace Insert Size?

If you go with the electric fireplace insert, this is your part. You'll require a standard opening fireplace that features a back panel with 22” x 16” opening (560mm- 406mm). These are also standard measurements for the inset electric units. Make sure you find one that perfectly fits into several fireplaces.

The MAIN measurement you should always have at hand is the fire depth. If your fireplace features an opening at the back, there's nothing to stress over.

In case you plan to fit an electric fireplace against a flat wall, you have several options to pick from. You can make an opening in your wall. Or you can ensure the depth of your unit isn’t deeper than the fireplace rebate.

Get The Right Size of The Hole-In-The-Wall Gas Fireplace

If you've made up your mind to install a gas fireplace, then some extra ventilation would be necessary.

If the unit has a gas input of more than 7kw, then you'll have to introduce a 100 square centimeters of ventilation block on the extreme wall- in the same room.

You can as well utilize the 5" core vent; these are easier to fit.

In case you're putting up a vent-free gas fireplace, then you'll require an air vent.

Bottom Line

Figuring out the correct fireplace size for your home isn’t always a simple task. If you made a mistake in selecting the right size, it might not fit in your house well. And you might end up feeling disappointed.

Thankfully, following our expert guide above will assist you in choosing the correct fireplace size.

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