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Getting Started: Is an Extension Right for You?

Before diving into the extension process, it's crucial to determine whether an extension is the best solution for your needs. This comprehensive assessment will help you make an informed decision.

Quick Assessment

Complete in 5 minutes

I need additional space that cannot be achieved through internal reorganization
My property has sufficient external space for an extension
I have a realistic budget (typically £2,000-£3,000+ per square meter in London as of 2025)
+ 3 more questions below

Quick Assessment Checklist

Answer these key questions to determine if a home extension is the right path for your property and situation.

I need additional space that cannot be achieved through internal reorganization

Consider if rearranging existing rooms could solve your space issues before extending

My property has sufficient external space for an extension

Check your garden size and property boundaries for feasibility

I have a realistic budget (typically £2,000-£3,000+ per square meter in London as of 2025)

Include construction costs, professional fees, and contingency in your budget

I understand the project may take 9-18 months from planning to completion

Factor in design, planning approval, and construction time

I'm prepared for the disruption of construction work

Consider noise, dust, limited access, and potential temporary relocation

I've considered alternatives (loft conversion, basement, relocating)

Compare costs and benefits of extension vs other options

Assessment Complete

If most points apply to your situation, an extension could be a great fit. If you have concerns about several points, consider exploring alternatives or getting professional advice first.

Key Questions to Ask Yourself

These fundamental questions will help shape your extension project and ensure you're making the right decisions from the start.

1

What problem am I trying to solve?

  • Need more living space?
  • Want to improve the layout?
  • Creating additional bedrooms?
  • Enhancing property value?
2

What is my realistic budget?

  • Construction costs
  • Professional fees (10-15% of construction)
  • Contingency (10-20% minimum)
  • VAT (where applicable)
  • Temporary accommodation if needed
3

What is my timeframe?

  • Design development: 2-4 months
  • Planning approval: 2-3 months (if required)
  • Technical design: 1-2 months
  • Contractor selection: 1-2 months
  • Construction: 3-9 months (depending on scale)

Ready to Move Forward?

If an extension seems right for you, the next step is understanding London's planning framework and requirements.

Next: Understanding London's Planning Framework