Harber Carpentry and Restoration 

Timber Frame Repairs 

Historic timber-framed buildings require specialist knowledge, sympathetic repair methods and an understanding of traditional construction techniques. Harber Carpentry and Restoration undertakes traditional timber frame repairs for listed and historic buildings across East Anglia.

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We repair and conserve structural timber frames using traditional carpentry methods, breathable materials and conservation-led approaches designed to preserve the character and integrity of historic buildings.

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Specialist Timber Frame Repair for Historic Buildings

Timber-framed buildings behave differently from modern construction and often require careful diagnosis before repairs begin. Moisture ingress, failed roofing, trapped damp and inappropriate modern materials can all contribute to timber decay over time.

Our work includes:

• Oak beam repairs

• Sole plate replacement

• Timber frame conservation

• Structural timber repairs

• Scarf joint repairs

• Timber splicing

• Traditional oak framing

• Listed building timber repairs

• Historic barn repairs

• Timber frame stabilisation

We aim to retain as much original material as possible while ensuring the long-term stability of the structure.

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Common Causes of Timber Frame Decay

Historic timber frames are often affected by moisture-related deterioration. Problems commonly occur where modern materials have restricted the building’s ability to breathe naturally.

Common causes include:

• Cement render trapping moisture

• Failed lime mortar joints

• Poor drainage

• Roof leaks

• Inadequate ventilation

• Ground moisture affecting sole plates

• Insect or fungal attack

• Structural movement over time

Understanding the source of decay is essential before repairs are undertaken.

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Frequently Asked Questions

What causes timber frame decay?

Timber frame decay is commonly caused by prolonged moisture exposure, poor ventilation, trapped damp and inappropriate modern materials that prevent historic buildings from breathing naturally.

Can rotten oak beams be repaired?

Yes. Traditional scarf repairs and timber splicing methods can often preserve historic oak beams without requiring full replacement.

Do listed building repairs require consent?

Some structural repairs to listed buildings may require listed building consent depending on the scope of work and materials involved.

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What are scarf joint repairs?

A scarf joint repair involves removing decayed timber sections and carefully joining new timber into the existing structural member using traditional carpentry techniques.