2026 Prices

Single Storey Extension Costs in Swindon

Ground floor extension to increase living space - local pricing for Wiltshire.

Estimated Cost Range
£27,500 – £55,000

per project • 10-16 weeks

Standard
£27,500 - £55,000
Premium
£55,000 - £110,000

About Single Storey Extension in Swindon

Considering a Single Storey Extension project in Swindon? Understanding the true costs upfront is vital for budgeting. Our calculator uses Swindon-specific pricing data to deliver trustworthy estimates.

The typical cost for Single Storey Extension in Swindon falls between £27,500 to £55,000. That said, actual costs are influenced by several considerations.

What's Included

  • Architectural drawings and planning
  • Groundworks and foundations
  • Walls, roof and structural work
  • Windows and external doors
  • Electrical and plumbing first fix
  • Plastering and second fix
  • Basic decoration

Price Factors

Several factors determine your overall Single Storey Extension cost in Swindon. Property type, site access, and specific requirements all factor in.

  • Extension size (per square metre)
  • Foundation type required
  • Roof design (flat, pitched)
  • Window and door specification
  • Internal finish requirements
  • Connection to existing structure

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