Subsidence Repairs & Underpinning

Economic solutions for structural repairs following subsidence. Cost effective schemes embracing the latest technology

Subsidence Repairs & Underpinning

Retrofit Basements

Enhancement of an existing building by providing a basement structure beneath

Retrofit Basements

Engineered Foundations

Efficient and economic solutions for low rise building plots

Engineered Foundations

ASUC is an independent trade association originally formed by a number of leading contractors to promote professional and technical competence within the subsidence industry.

Membership has now been extended to include a comprehensive range of specialist domestic services in: subsidence repair and underpinning,  retrofit basement construction and engineered foundation solutions.

Contractor wishing to join ASUC must first undergo a technical, health & safety, insurance and financial audit and make a commitment to prescribed safety procedures.  Non contracting companies and consultants may also apply using the appropriate forms.

Publications, including ASUC’s three Guideline documents on: Basements, Structural Repairs, and Underpinning & Mini Piling Operations, are available to download free from the publications page.

Speak to the experts before you start any project involving basement construction, engineered foundations, underpinning, or structural repairs.

ASUC Guarantee

ASUC contracting members are able to offer a 10 year guarantee  on their  contracted works which is backed by an insurance policy which will react if they are no longer trading for whatever reason.

Like all policies it is subject to terms and conditions and the full details of the ASUC warranty template used by members is available to download here along with the Insurance policy.

ASUC do not offer deposit  or work in progress protection and the maximum contract sum insured without referral to insurers is £100,000.

Where available members will include within their contract sum to the client an offer of the guarantee.

Typical works covered are : underpinning -subsidence repairs -structural repairs –  basement retro fit construction and engineered foundations.



Subsidence repairs
Economical solutions for structural repairs following subsidence


Cost-effective schemes embracing the latest technology


Retrofit basements
Enhancement of an existing building by providing a basement structure beneath


Engineered foundations
Efficient and economical solutions for low rise building plots


Get all the news from ASUC including events and view gallery photos

ASUC Members’ News

Find out all the latest news from ASUC members.


ASUC has a range of useful and informative documents to download free of charge


Industry-specific training for the specialist underpinning and subsidence repair, engineered foundation solutions and retrofit-basement sector

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