House Construction Cost Calculator

What is a House Construction Cost Calculator?

A House Construction Cost Calculator helps you estimate the total expense of building a new house. It calculates costs based on floor area and average construction rates per square foot or square metre, providing a breakdown of materials, labor, and total project costs.

This calculator is essential for homeowners, builders, and property developers planning new construction projects in the UK. It helps budget planning and provides realistic cost estimates before starting a build.

How to Use This Calculator

1. Enter the total floor area of your house in square feet or square metres
2. Select your preferred unit (sq ft or m²)
3. Enter the cost per square foot/metre (UK average is £100-£200 per sq ft)
4. Click "Calculate Cost" to see the breakdown
5. Review the total construction cost including materials, labor, and overheads

Understanding Construction Costs

House construction costs in the UK vary significantly based on location, materials, and build quality:

• Basic Build: £100-£150 per sq ft - Standard finishes, basic materials
• Standard Build: £150-£200 per sq ft - Good quality finishes, standard materials
• Premium Build: £200-£300+ per sq ft - High-end finishes, premium materials

Costs typically break down as:

• Materials (45%): Bricks, concrete, timber, roofing, windows, doors, fixtures
• Labor (35%): Skilled tradespeople, general labor, site management
• Overheads (20%): Planning permissions, architect fees, site preparation, utilities, contingency

Factors Affecting Construction Costs

• Location: London and South East typically cost 20-30% more than other regions
• Site Conditions: Sloping sites, poor ground conditions, or difficult access increase costs
• Design Complexity: Custom designs, unusual shapes, or complex structures cost more
• Materials Quality: Premium materials significantly increase costs
• Size: Larger houses benefit from economies of scale
• Planning Requirements: Listed buildings or conservation areas may require special materials

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