The UK’s structural repair and concrete maintenance sector is growing fast as ageing buildings, bridges and infrastructure demand more frequent inspection, protection and remediation. Carbonation, chloride attack, water ingress, reinforcement corrosion and fire damage all affect the long-term performance of concrete structures.
Standards such as BS EN 1504 and guidance from the Structural Concrete Alliance reflect how seriously asset owners are taking durability and structural safety. At the same time, HSE construction welfare regulations continue to shape how repair teams work on sites with no permanent facilities.
This Top 20 list highlights specialist contractors working across:
- concrete repair and refurbishment
- structural strengthening (including CFRP systems)
- concrete scanning and non-destructive testing (NDT)
- bridge and civils remediation
- RAAC investigation and remediation
- waterproofing and corrosion protection
It is an editorial, independent overview designed to help engineers, surveyors, contractors and facilities teams identify active players in the UK structural repair and concrete maintenance market in 2025.
Top 20 Structural Repair & Concrete Maintenance Contractors (UK 2025)
- Concrete Repairs Ltd (CRL)
One of the best-known names in UK concrete remediation, delivering repair, refurbishment and protection works for buildings, bridges, marine structures and infrastructure assets. - Makers Construction
A specialist in structural refurbishment and concrete repair, with strong capability in multi-storey car parks, commercial buildings and long-term asset refurbishment programmes. - Balvac (part of Balfour Beatty)
A key contractor for bridge strengthening, concrete repair and cathodic protection on highway, rail and infrastructure frameworks. - Freyssinet UK
Engineering-led specialist in structural strengthening, post-tensioning, bearing replacement, sprayed concrete and complex repair projects. - Gunite Group
Experts in sprayed concrete, structural repair and façade remediation across commercial, industrial and heritage projects. - APA Concrete Repairs
Long-established contractor delivering concrete remediation, corrosion management, structural stabilisation and protection works. - Cemplas Waterproofing & Concrete Repair
Specialists in deck coatings, waterproofing and concrete repair, particularly in car park, podium slab and commercial environments. - Currall Lewis & Martin (CLM)
Contractor providing structural strengthening, concrete repair and civils remediation across a range of public and private sector assets. - Aarsleff Ground Engineering (Structures Division)
Delivers strengthening, sprayed concrete and remedial structural works, often integrated with geotechnical and piling packages. - VolkerLaser
Major UK contractor in bridge strengthening, concrete repair, cathodic protection and structural refurbishment for highways and infrastructure. - Structural Renovations Ltd
Specialist in building refurbishment, façade repair, structural strengthening and concrete remediation on occupied and live sites. - The Concrete Surgery
Focused on concrete repair, crack injection, structural reinstatement and targeted durability solutions. - Concrete scanning and cutting specialists with repair capability
A growing group of companies offering concrete scanning, GPR, mapping and cutting combined with localised repair and reinstatement services. - Remedial repair specialists
Regional contractors delivering patch repair, reinforcement replacement, structural stabilisation and corrosion management for housing and commercial stock. - Deconstruct UK (structural division)
Experts in controlled demolition and structural alterations, including concrete breakout, repair and reinstatement on complex projects. - M3 Civil Engineering
Regional civil engineering contractor offering concrete remediation, minor structural repair and infrastructure maintenance services. - CLC Contractors – structural repair division
Delivers concrete repair, crack injection and strengthening as part of wider refurbishment and remedial works. - Morrison Water Services (bridge and structures team)
Provides bridge repair, concrete maintenance and structural refurbishment within the water and infrastructure sectors. - Cairnhill (strengthening division)
Known for carbon fibre (CFRP) strengthening, structural steelwork and concrete repair projects. - Manufacturer-approved concrete repair contractors
A group of specialist firms certified under major manufacturer schemes, delivering repair and protection works using BS EN 1504-compliant systems.
Note: Inclusion in this list is not an endorsement and the ordering is not a ranking. Always carry out your own due diligence when appointing a contractor.
Why Structural Repair and Concrete Maintenance Projects Need Reliable Site Welfare
Structural repair and concrete maintenance teams often work in challenging environments:
- basements and car parks with no working facilities
- bridge decks, viaducts and highway structures
- industrial plants and treatment works
- occupied residential and commercial buildings undergoing phased repairs
- time-critical reactive works where nothing has been set up in advance
Many of these locations have limited or no access to permanent welfare. To stay compliant with HSE welfare requirements, contractors typically rely on temporary provision such as portable site toilets and compact welfare setups.
Across the construction sector, euroloo supports structural repair teams by providing:
- fast delivery of portable site toilets to urban and remote locations
- reliable weekly servicing to keep facilities usable on longer-running jobs
- flexible hire periods that match uncertain or reactive programmes
- support for infrastructure and civils projects where access and traffic management are critical
- modern, low-emission welfare units via the ecowelfare solar-powered welfare range for multi-week structural remediation schemes
Facilities and asset managers also use euroloo to support facilities and estate management programmes when structural and concrete repairs are carried out on live, occupied sites.
Frequently Asked Questions
What does a structural repair contractor do?
A structural repair contractor assesses and repairs damaged, deteriorated or defective structural elements, often focusing on reinforced concrete and associated components. Typical services include surveying, concrete repair, crack injection, corrosion protection, waterproofing and structural strengthening.
What causes concrete to deteriorate?
Common causes include carbonation, chloride ingress, poor cover to reinforcement, water ingress, freeze–thaw cycles, chemical attack, overloading and fire damage. Over time, these can lead to reinforcement corrosion, spalling and loss of capacity.
How important is concrete scanning and NDT?
Concrete scanning and non-destructive testing help locate reinforcement, post-tensioning, voids, services and defects before cutting, drilling or repair. This reduces risk, prevents damage to critical elements and improves the accuracy of remedial works.
Do structural repair projects need portable site toilets?
Yes. Many repair and remediation projects take place on sites with no working facilities, or in areas isolated from existing amenities. Temporary toilets and welfare are essential for both compliance and practical working conditions.
How can welfare provision support structural repair programmes?
Reliable site welfare supports productivity, compliance and continuity. When teams know facilities are in place and properly serviced, they can focus on technical work rather than logistics or interruptions caused by inadequate welfare.
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Need Site Toilets or Welfare for Structural Repair Projects?
If you are planning structural repair or concrete maintenance work on sites with limited facilities and need dependable support for site toilets or compact welfare, our team can help. We work with contractors, structural specialists and facilities teams across England to keep projects compliant and running smoothly.
Find out more about how we support construction and structural repair teams
