How to Measure an L-Shaped Sofa for a Cover: A Complete Guide for Irish Homes

An L-shaped sofa is a popular choice for modern living rooms. Whether you have a spacious corner sofa in your family home in Dublin, a comfortable sectional in Cork, or a compact L-shaped sofa in a Waterford apartment, this style of furniture offers plenty of seating and helps make the most of your living space.

However, finding the right cover can sometimes be more complicated than choosing a standard two-seater or three-seater sofa cover. L-shaped sofas come in different configurations, sizes and designs, and choosing the wrong measurements can result in a cover that feels too tight, looks loose or does not cover the entire sofa.

The good news is that measuring your sofa does not have to be difficult.

In this guide, we explain how to measure an L-shaped sofa correctly, identify its configuration and choose suitable L shaped sofa covers for your home.

1. Why Is Measuring an L-Shaped Sofa Important?

Unlike traditional sofas, an L-shaped sofa usually consists of two connected sections. One section forms the main seating area, while the other extends outwards to create a chaise or corner section.

This design means that measuring only the total length is not enough.

Before purchasing corner sofa covers, you should understand:

  • The overall length of the main sofa section.

  • The length of the chaise or extended section.

  • The depth of each seating section.

  • The height of the backrest.

  • The width and shape of the armrests.

  • Whether the sofa has separate or fixed seat cushions.

Accurate measurements help you compare your furniture with the sizing information provided by the product manufacturer.

They also help you determine whether you need one large cover, separate covers for different sections or a cover specifically designed for an L-shaped sofa.

2. What You Need Before Measuring Your Sofa

You do not need professional measuring equipment. A few simple items will be enough.

Prepare:

  • A flexible measuring tape.

  • A notebook or your phone to record measurements.

  • A pen or pencil.

  • A clear view of the entire sofa.

If possible, ask another person to help hold the measuring tape. This can make measuring longer sofas much easier.

Place your sofa in its normal position before taking measurements. Remove loose cushions or accessories if they prevent you from identifying the furniture's actual dimensions.

Always measure in centimetres and record each measurement clearly.

3. How to Measure an L-Shaped Sofa Step by Step

Step 1: Measure the Main Sofa Length

Start with the longest straight section of your sofa.

Place the measuring tape at the outer edge of one armrest and measure across to the outer edge of the opposite side.

Record this as the main sofa length.

For example:

  • Main sofa length: 220 cm

  • Measurement direction: Left to right when facing the sofa

Do not measure only the seating cushions. Include the armrests because they form part of the overall sofa structure.

Step 2: Measure the Chaise Section

Next, measure the extended section of your L-shaped sofa.

The chaise is the part that projects outwards from the main sofa, allowing someone to stretch their legs comfortably.

Measure from the back of the sofa to the front edge of the chaise.

For example:

  • Chaise length: 150 cm

It is important to record this measurement separately rather than adding it to the main sofa length.

Different L-shaped sofas have different chaise dimensions, even when their main seating sections appear similar.

Step 3: Measure the Sofa Depth

Measure the depth from the back of the sofa to the front edge of the seating area.

If your sofa has a chaise section with a different depth, record that separately.

For example:

  • Main seating depth: 90 cm

  • Chaise depth: 150 cm

These measurements help you understand the overall shape of your sofa and compare it with the product's fitting instructions.

Step 4: Measure the Backrest Height

Place your measuring tape at the floor and measure vertically to the highest point of the sofa backrest.

If the sofa has removable back cushions, note their height and whether they are included in the product's sizing instructions.

The backrest height is particularly important when choosing covers designed to stretch over the entire sofa.

Step 5: Measure the Armrests

Measure the width and height of both armrests.

Some sofas have narrow, straight armrests, while others have wide or rounded designs.

These differences can affect how a fitted sofa cover sits around the arms.

Record any unusual features, such as curved armrests or unusually thick cushions.

Step 6: Check the Sofa Configuration

Finally, identify whether your sofa is:

  • Left-hand facing L-shaped sofa.

  • Right-hand facing L-shaped sofa.

  • Modular sectional sofa.

  • Fixed-cushion corner sofa.

  • Sofa with a separate chaise lounge.

To identify the left-hand or right-hand configuration, stand facing the front of your sofa in its normal position and check which side the chaise extends towards.

Always follow the seller's own definition of left-hand and right-hand orientation, as some manufacturers use a different viewing convention.

4. One Cover or Two Covers: Which Do You Need?

This is one of the most important questions when buying L shaped sofa covers.

Not every L-shaped sofa can be covered using one universal slipcover.

Some products are designed as a single cover for a complete corner sofa, while others require separate covers for the main sofa and chaise section.

When One Cover May Be Suitable

A single cover may be suitable if the product is specifically designed for your sofa's configuration and its dimensions fall within the stated fitting range.

Check whether the product description confirms that it is intended for a complete L-shaped sofa.

When Two Covers May Be Necessary

Some L-shaped sofas have two clearly separated sections.

In these cases, two separate covers may provide a more practical fitting solution.

For example:

  • One cover for the main three-seater section.

  • One cover for the chaise or extended section.

This can be particularly relevant when the sofa consists of two independent furniture sections joined together.

Before ordering, check the product's instructions carefully and confirm how many covers are required.

Do not assume that a standard three-seater cover will automatically fit an entire corner sofa.

5. How to Choose the Right Fabric for Your Sofa Cover

Once you have measured your furniture, the next step is choosing a suitable fabric.

Different materials offer different appearances, textures and practical benefits.

Stretch Sofa Covers

Stretch sofa covers are designed to adapt to different sofa shapes.

Elastic fabrics can help create a closer-fitting appearance and are worth considering if your sofa has curved edges or a relatively unusual shape.

However, stretch does not mean that every cover will fit every sofa. Always compare the dimensions with the manufacturer's sizing guide.

Jacquard Sofa Covers

Jacquard fabrics feature woven patterns and textured designs.

They are a good option for homeowners who want to refresh their living room without replacing their existing furniture.

They are available in different colours and patterns to complement both traditional and contemporary interiors.

Velvet Sofa Covers

Velvet sofa covers offer a softer appearance and a more luxurious decorative finish.

They can be a suitable choice for living rooms where comfort and interior styling are important considerations.

Waterproof Sofa Covers

Water-resistant and waterproof products can provide additional protection against everyday spills, depending on their construction and product specifications.

If you have children, pets or frequently use your living room, check the product description carefully to understand the level of protection offered.

You can explore different options through our sofa covers collection.

6. Common Mistakes to Avoid When Measuring an L-Shaped Sofa

Even small measuring mistakes can make choosing the right cover more difficult.

Here are some common problems to avoid.

Measuring only the main sofa section

The chaise section is equally important. Always measure both parts separately.

Forgetting the armrests

Armrests contribute to the sofa's overall dimensions and should be included when measuring the total width.

Confusing sofa length with seating length

The overall length includes the outer edges of the sofa, not just the seating area.

Ignoring the chaise orientation

A left-hand facing sofa may require a different cover configuration from a right-hand facing sofa.

Assuming all L-shaped sofas have standard dimensions

Two sofas with the same number of seats can have very different overall measurements.

Choosing a cover based only on appearance

A beautiful fabric will not solve a fitting problem. Check the measurements and product instructions before making your purchase.

7. How to Make Your Sofa Cover Look Neat and Comfortable

After choosing a suitable cover, correct installation can make a noticeable difference to its appearance.

Start by cleaning the sofa and removing loose dust or debris.

Follow the manufacturer's fitting instructions and identify the main backrest, seating and armrest sections.

If the cover has separate sections, fit each one according to the instructions.

Smooth out excess fabric and adjust the corners carefully. If the product includes foam inserts or securing accessories, use them as directed.

Avoid pulling the fabric excessively, as this may affect the material or its fit.

It is also a good idea to check the cover after sitting on the sofa for the first time. Minor adjustments may be needed to keep the fabric looking tidy.

8. Refresh Your Living Room with the Right Sofa Cover

Replacing an entire sofa can be expensive. A suitable sofa cover offers another way to refresh your living room and protect your existing furniture.

Whether you prefer a simple neutral design, a textured jacquard finish or a soft velvet appearance, choosing the right cover can make your furniture feel more in keeping with your home.

For households with pets or children, a suitable furniture cover can also help manage everyday wear and dirt.

You can explore different styles and sizes in the Coverforsofa sofa covers collection.

If you also want to refresh individual seating cushions, take a look at our sofa cushion covers.

Frequently Asked Questions

How do I measure an L-shaped sofa for a cover?

Measure the main sofa length, chaise length, seating depth, backrest height and armrest dimensions. Record the measurements separately and compare them with the product's sizing guide.

Do L-shaped sofas need two covers?

Not always. Some covers are designed for complete L-shaped sofas, while others require separate covers for the main sofa and chaise section. Check the product description before ordering.

How do I know if my sofa is left-hand or right-hand facing?

Stand in front of the sofa and look at which side the chaise extends towards. Confirm the seller's orientation convention before selecting a product.

Can a standard three-seater sofa cover fit an L-shaped sofa?

A standard three-seater cover is generally designed for a straight sofa. It should not be assumed to cover an entire L-shaped sofa. Check whether the product specifically supports your sofa configuration.

Are stretch sofa covers suitable for corner sofas?

Some stretch sofa covers are designed for corner sofas. However, the fabric's elasticity alone does not guarantee a suitable fit. Check the specified dimensions and configuration.

Should I measure my sofa with or without cushions?

Follow the product's measuring instructions. Generally, you should measure the complete sofa structure and record any removable cushion dimensions separately if the product requires them.

Final Thoughts

Choosing the right cover for an L-shaped sofa starts with accurate measurements.

By measuring the main section, chaise, depth, backrest and armrests, you can make a more informed decision and reduce the risk of ordering an unsuitable product.

Remember that sofa designs vary, so always compare your measurements with the actual product specifications rather than relying on the number of seats alone.

Explore the Coverforsofa collection to discover sofa cover styles for different living spaces across Ireland.

Give your existing sofa a fresh look while making everyday furniture care easier.

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