How Much to Add a Dormer to a Bungalow

Marie Jul 01, 2026

Ever considered transforming your bungalow's aesthetic and functionality by adding a dormer? This architectural feature not only enhances your home's curb appeal but also creates additional living space. But how much does it cost to put a dormer on a bungalow? Let's delve into the factors influencing the cost and provide a breakdown to help you budget for this exciting project.

How Much Does It Cost to Add a Dormer? [2026 Data] | Angi
How Much Does It Cost to Add a Dormer? [2026 Data] | Angi

Before we dive into the costs, it's essential to understand that adding a dormer involves structural changes, which can vary significantly depending on your bungalow's design, local building codes, and the type of dormer you choose. Let's explore these aspects in detail.

How Much Does It Cost to Add a Dormer? (2026 Pricing)
How Much Does It Cost to Add a Dormer? (2026 Pricing)

Factors Affecting the Cost of Adding a Dormer

The cost of adding a dormer to your bungalow is influenced by several factors, including the type of dormer, materials used, labor costs, and any necessary permits or additional work. Let's break down each factor to give you a comprehensive understanding of the overall cost.

Bungalow loft conversion costs // Cost of adding a second floor to a bungalow
Bungalow loft conversion costs // Cost of adding a second floor to a bungalow

Type of Dormer

Dormers come in various styles, each with its unique aesthetic and cost implications. The most common types are gable, hipped, and shed dormers. Gable dormers, for instance, are typically more expensive due to their complex roof structure. On the other hand, shed dormers are simpler and more affordable. The type you choose will significantly impact the overall cost.

The once-dated bungalow that's undergone a jaw-dropping transformation
The once-dated bungalow that's undergone a jaw-dropping transformation

Here's a rough estimate of the cost for each dormer type, based on size and material:

  • Gable Dormer: $10,000 - $20,000
  • Hipped Dormer: $8,000 - $15,000
  • Shed Dormer: $5,000 - $10,000

Materials

Dormer Loft Conversion Cost: How Much Does It Cost in 2025?
Dormer Loft Conversion Cost: How Much Does It Cost in 2025?

The materials used for the dormer's construction, such as wood, vinyl, or metal, will also impact the cost. Higher-quality materials like wood will increase the overall cost, while more affordable options like vinyl or metal will reduce it. Additionally, you'll need to consider the cost of roofing materials, insulation, and any interior finishes.

Here's a rough estimate of material costs for a typical dormer:

  • Wood: $5 - $10 per square foot
  • Vinyl: $3 - $6 per square foot
  • Metal: $4 - $8 per square foot
four different views of a white house with yellow shingles on the roof and windows
four different views of a white house with yellow shingles on the roof and windows

Additional Costs to Consider

Beyond the dormer's construction, there are several other costs to consider when planning your project. These can include labor, permits, and any additional work required to complete the project.

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a white house with a brown door and windows on the front lawn, surrounded by green grass
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an aerial view of a house with the words bunglow renovation and side / rear extension
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two men are working on the roof of a house that's being built with wooden boards
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a house that has been painted red brick and is being worked on by the painters
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an image of a two story house with windows on the front and side of it
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2026 Cost of Raising Roof on a Cape Cod House | Angi

Labor Costs

Labor costs can vary significantly depending on your location and the complexity of the project. On average, you can expect to pay between $40 and $80 per square foot for labor. This cost includes the work of carpenters, roofers, and any other professionals required to complete the project.

Here's a rough estimate of labor costs for a typical dormer project:

  • Carpentry: $20 - $40 per square foot
  • Roofing: $10 - $20 per square foot
  • Other professionals: $10 - $20 per square foot

Permits and Additional Work

Before starting any construction project, it's crucial to check with your local building department for any necessary permits. Permit costs can vary widely depending on your location and the scope of the project. On average, you can expect to pay between $500 and $2,000 for permits.

Additionally, you may need to consider the cost of any additional work required to complete the project, such as electrical or plumbing work. These costs can vary significantly depending on the extent of the work required.

Here's a rough estimate of permit and additional work costs:

  • Permits: $500 - $2,000
  • Electrical work: $2,000 - $5,000
  • Plumbing work: $1,000 - $3,000

Considering all these factors, the total cost of adding a dormer to your bungalow can range from $15,000 to $40,000 or more. However, with careful planning and budgeting, you can create a stunning addition to your home that enhances both its functionality and curb appeal.

Don't let the cost deter you from pursuing your dream home transformation. Start by consulting with a professional architect or contractor to discuss your vision and get a more accurate estimate for your specific project. They can provide expert guidance and help you make informed decisions to maximize your budget and create the perfect dormer for your bungalow.