Broken or Rotten Windows Claims

Broken or rotten windows in a rented home are more than a cosmetic issue — they are a structural defect your landlord is legally required to fix. Draughts, water ingress, security risks, and mould caused by condensation can all result from failed windows. Under UK law you have the right to demand repairs and claim compensation for the impact on your health and living conditions.

What the Law Says

Section 11 of the Landlord and Tenant Act 1985 requires your landlord to maintain the structure and exterior of your home in good repair. Windows — including frames, glass, and fixings — form part of that structure. The Homes (Fitness for Human Habitation) Act 2018 adds further protection, requiring properties to be free from hazards including security risks and excess cold.

Common Causes

Rotten window frames — Timber frames left unmaintained rot from the inside, making windows unstable and allowing cold and rain to penetrate.

Cracked or broken glazing — Single or double glazed units can crack from impact or failed seals, creating draughts and security risks.

Broken window locks or handles — A window that cannot be locked is a direct security risk the landlord must address promptly.

Failed double glazing seals — Permanently misted units have failed seals that reduce thermal efficiency and cause condensation.

Warped or swollen frames — Frames that have warped will not close properly, leaving gaps that admit cold air and water.

Warning Signs to Watch For

Cold draughts from frames even when windows are closed
Condensation or permanent misting inside glazed units
Visible rot, peeling paint, or crumbling putty on frames
Windows that rattle, stick, or will not close securely
Mould growing on or around window frames and sills
Water staining on walls or sills beneath windows after rain

Landlord Response Timeframes

24-48 hours if the window is a security risk or causing flooding. 14 days for significant draughts or water ingress. 28 days for general deterioration such as mild rotting frames.

What You Can Claim For

Increased energy billsDraughty windows increase heating costs — these are recoverable as a quantifiable loss.

Health impactRespiratory problems or illness caused by damp or mould from window failure.

Damaged belongingsWater ingress through broken windows can damage furniture, flooring, and personal possessions.

Repair costsIf you paid for any temporary fixes yourself, you may recover those costs.

Inconvenience and distressCompensation for living with the disruption, security risk, and discomfort.

Rent reductionA proportion of rent may be recoverable for the period the windows were defective.

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