Assessment and repair of structural timber

Date Published

15 August 2022

Document Type




Repairs become necessary when a building is no longer safe or serviceable for its intended purpose, or to restore or improve its appearance, performance or function.

Timber structures can be repaired using traditional all-timber methods, mechanical fasteners and adhesives, but only following survey and assessment that take account of the structures condition and intended use.

Historic structures demand appraisal by specialists. Their advice about the scope and extent of any survey will lead to significant savings in construction time and cost. Their specialist knowledge of non-destructive techniques will minimise disruption and allow the inspection to proceed with the minimum of opening up works during the preliminary phase of the building investigation.

Key Information

The purpuse of the structural assessment in to determine the potential for the various parts of the structure to continue performing satisfactorily. It will provide the basic information needed to decide wheter or not repairs are required

Structural assessment covers strength, stability, serviceability, durability, appearance and accidental damage.

Repairs may be classified broadly in three groups: traditional methods, mechanically fastened methods and adhesive methods.

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Case studies

A new Maggie’s Centre, designed by Wilkinson Eyre, has opened in the grounds of Churchill Hospital, Oxford. It is set in a small but protected copse of mature trees which screen it from the massive hospital building nearby.

The new Maritime Museum, completed in 2002, is set between the town centre and the large warehouses of the docks. Here it provides a focus for local identity and attracts the visitors on which the Cornish economy now depends.