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Independent UK planning guide

Flat-roof replacement costs in the UK

Renew a garage or extension roof using felt, EPDM or GRP with compatible edge details.

Get site-specific quotes

Typical UK range

£1,800–£6,000

Straightforward jobs

From £1,200

Typical site time

2–5 days

Build the allowance

How to read this price

Starting allowance

For a straightforward, accessible job with a standard specification.

From £1,200

Typical UK project

An early planning range before a tradesperson inspects the property.

£1,800–£6,000

Likely programme

Site time varies with preparation, sequencing, approvals and drying periods.

2–5 days

These figures are early UK planning allowances. They are not a substitute for an itemised quotation after inspection.

Control the variables

What can change the quote?

Roof size, pitch and complexity

Tile, slate or membrane specification

Scaffold, permits and access

Timber, chimney and leadwork repairs

Before accepting a quote

Ask for these details in writing

  • Labour, materials and VAT
  • Preparation and protection
  • Access equipment and waste
  • Named provisional allowances
  • Testing and certification
  • Programme and payment stages
  • Making good and decoration
  • Warranty and snagging process

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