Cost to build a cavity wall

This construction calculator is designed for construction professionals seeking a concise overview of the average costs involved in brick wall construction within the UK, enhanced by a cost calculator updated with the latest pricing data.

What Does It Cost to Build a Brick Cavity Wall?

The expense of building a standard brick cavity wall varies, primarily influenced by the wall’s dimensions and the materials selected. Critical factors affecting the cost include the wall’s height and length, brick type, material quality, and the design’s complexity.

Key Factors Influencing Brick Wall Costs

The construction cost is affected by several elements:

  • Dimensions: The size of the wall directly impacts costs.
  • Brick Type and Material Quality: These choices affect both aesthetics and financial outlay.
  • Wall Design: Complex shapes like curves and corners increase construction costs.
  • Site Preparation: Includes excavation and leveling.
  • Geographical Variations: Costs can differ based on regional pricing trends.

Inclusions in Brick Wall Costing

Cost quotations typically encompass:

  • Materials supply including bricks, sand, and cement.
  • Specifics like cavity size and insulation.
  • Foundation work including excavation and concreting.
  • Disposal of construction debris.

Construction Cost Calculator

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Brick Cavity Wall
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* The above calculator includes:

  • Cost of materials inc wastage
  • Cost of labour
  • Cost of overheads and profit

Cost Framework for Various Brick Wall Styles

Different styles of brick walls have varying costs:

  • Standard Brick Wall: Costs vary by size and material choice.
  • Brick and Block Cavity Wall: Offers enhanced insulation, thus costing more per square meter.
  • English Bond Wall: Preferred for its aesthetic and structural integrity, typically at a higher cost.
  • Garden Retaining Wall: Costs vary depending on dimensions and materials.

Building Regulations and Considerations

Before construction begins, it’s important to understand the legal and practical requirements:

  • Height Regulations: Familiarity with permissible heights without planning permissions is crucial.
  • Structural Assessments: Necessary for walls beyond certain heights, particularly retaining walls.
  • Site Condition: Discuss potential extra costs for leveling with your contractor.


Constructing a brick wall is a substantial investment that significantly enhances the functionality and aesthetic of outdoor spaces. Awareness of the comprehensive cost landscape ensures effective budgeting and project execution.

For more detailed budgeting tools and updated cost estimations, explore our range of construction cost calculators here.

Frequently Asked Questions About Building a Brick Wall

  1. How can I minimize the costs of building a brick wall?To reduce costs, consider using more affordable materials, simplifying the design, and preparing the site yourself. Sourcing quotes from multiple contractors can also help ensure you get the best price.
  2. What is the most durable type of brick wall?English Bond walls are highly durable due to their interlocking structure, which provides added strength and stability. Using high-quality bricks and professional construction methods also enhances durability.
  3. How long does it take to build a brick wall?The time to build a garden brick wall varies depending on its size and complexity but generally takes between 2 to 5 days. Preparation and weather conditions can extend this timeframe.
  4. Can I build a brick wall myself or should I hire a professional?Building a small, simple brick wall can be a DIY project. However, for larger or more complex walls, it’s advisable to hire a professional to ensure structural integrity and compliance with local building codes.
  5. What are the common pitfalls in brick wall construction?Common pitfalls include inadequate foundation depth, poor material quality, and insufficient allowance for drainage. These can lead to structural failures and increased maintenance costs over time.
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