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    Roof Replacement vs Repair: Cost Comparison UK

    One of the most common dilemmas for UK homeowners is whether to repair their existing roof or invest in a full replacement. This guide helps you understand the costs, benefits, and considerations for each option.

    Roof Repair Costs in the UK

    Repair Type Typical Cost Duration
    Replace a few tiles £150 – £400 1–2 hours
    Fix a small leak £200 – £500 Half a day
    Ridge tile repointing £300 – £600 1 day
    Replace lead flashing £250 – £700 Half to 1 day
    Repair valley gutter £350 – £800 1 day
    Patch flat roof repair £200 – £600 Half a day
    Major structural repair £1,000 – £3,000+ 2–5 days

    When Repair Makes Sense

    • The roof is under 20 years old and generally in good condition
    • Damage is isolated to a small area
    • The issue is caused by storm damage (may be covered by insurance)
    • You're planning to sell soon and want a quick, cost-effective fix
    • Total repair costs are under £1,000

    When Replacement Makes Sense

    • The roof is over 30–40 years old
    • You've had multiple repairs in the last few years
    • The roof is leaking in several places
    • Tiles are widely cracked, slipping, or missing
    • The roof structure is sagging or uneven
    • You want to improve insulation and energy efficiency
    • Total repair costs would exceed 30–40% of replacement cost

    The Cost-Benefit Analysis

    Here's a practical way to think about it:

    Scenario Repair Cost Replacement Cost Recommendation
    Few cracked tiles, no leaks £200–£400 £5,000–£8,000 Repair
    Persistent leak, 25-year-old roof £500–£1,000 £5,000–£8,000 Consider replacement
    Multiple issues, 35+ year old roof £1,500–£3,000 £5,000–£8,000 Replace
    Sagging, widespread damage £2,000–£5,000 £6,000–£10,000 Definitely replace

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