Learn what commercial cladding refurbishment involves, when your building needs it, and how GLRE can help. Book a site survey with the UK's leading specialist.
Back To Blog
Cladding refurbishment is the process of repairing, upgrading, or replacing the external cladding system on a commercial building to restore weatherproofing, structural integrity, and appearance. Rather than demolishing and rebuilding a facade from scratch, a refurbishment programme addresses degraded or failing components, from panels and fixings to sealants and insulation, whilst keeping the building operational. For building owners, facilities managers, and property professionals managing the UK's ageing commercial stock, understanding when refurbishment is needed, and what it involves, is essential for protecting both the building and the people inside it.
Cladding refurbishment covers a broad range of remedial and upgrade works applied to a building's external envelope. At its most straightforward, it may involve cleaning and recoating existing panels to restore appearance and weatherproofing. In more complex cases, it encompasses full panel replacement, fire remediation, structural repairs to the supporting framework, and upgrades to comply with current building regulations.
The objective is always the same: to return the facade to a standard that protects the building envelope, meets current safety and compliance requirements, and extends the serviceable life of the external cladding system. A well-executed refurbishment programme avoids the significant disruption and cost associated with full replacement.
Commercial cladding refurbishment applies across the full range of facade systems found on UK buildings. The most common types include:
Each system has specific refurbishment requirements. Metal panels, for instance, may require recoating or full panel swap-out depending on the extent of degradation. Curtain wall systems often need sealant replacement, glass unit renewal, and structural checks to the aluminium framing. An inspection and survey by a specialist contractor is the correct starting point for any refurbishment project, as it establishes the true condition of every element.
There is no universal fixed lifespan for a cladding system. Longevity depends on the system type, installation quality, exposure to weather, building location, and the maintenance regime in place. However, a number of clear indicators signal that refurbishment work is needed.
Much of the UK's commercial building stock was constructed between the 1960s and 1990s, when cladding systems and installation standards differed significantly from today. Buildings from this period are now reaching or exceeding the intended service life of their original facades, and many will present multiple areas of degradation simultaneously.
Post-Grenfell changes to building safety legislation, including the Building Safety Act 2022, have also placed legal obligations on responsible persons managing higher-risk buildings. This includes requirements for remediation of certain unsafe cladding materials. Owners of affected buildings face both a compliance obligation and a significant safety duty.
Yes. The post-Grenfell regulatory focus has been primarily on residential buildings above 18 metres, but the need for cladding refurbishment applies to all building types and heights. Water ingress, panel failure, and fixing degradation affect low-rise commercial, retail, industrial, and institutional buildings just as they affect high-rise structures. The consequences in terms of internal damage, operational disruption, and liability are equally significant.
A properly managed cladding refurbishment programme follows a structured sequence. Skipping any stage typically results in incomplete work, missed defects, or remedial works being needed sooner than expected.
A thorough facade inspection is the foundation of any refurbishment project. This establishes the current condition of panels, fixings, sealants, and the supporting structure. For multi-storey or complex buildings, rope access inspection is often the most practical and cost-effective method, enabling close-up examination of the entire facade without scaffolding. The outcome is a detailed condition report with a prioritised schedule of works.
Based on the survey findings, a full specification is produced. This defines exactly which elements require attention: whether panels can be cleaned and recoated, need repair, or require full replacement; the extent of sealant and fixings renewal; and any structural or insulation upgrades needed. The specification allows accurate, like-for-like tendering from contractors.
The access method is agreed at this stage. Options include scaffolding, mobile elevated work platforms (MEWPs), and rope access. For occupied commercial buildings, rope access glazing and facade works offer a significant practical advantage: works can proceed with minimal disruption to building occupants and without the time and cost of erecting and dismantling scaffold structures.
The refurbishment works are carried out to the agreed specification. Depending on the scope, this can include panel removal and replacement, structural frame repair, insulation upgrade, new sealant application throughout, fresh coatings, and replacement of all failed fixings. For buildings with fire safety concerns, fire remediation works are carried out in accordance with current regulations and approved document guidance.
A completed refurbishment programme should be signed off with a post-works inspection confirming that all elements meet specification. Documentation of the works, materials used, and any warranties is essential for the building's maintenance records, compliance obligations, and future due diligence requirements.
The decision between refurbishment and replacement depends on the extent of degradation found during the survey. Refurbishment is appropriate when the underlying structure and the majority of panels are still serviceable. Targeted intervention, combined with sealant renewal and protective recoating, can extend the facade's life by a significant number of years at a fraction of replacement cost.
Full cladding replacement becomes the right decision when the structural frame is compromised, when non-compliant materials require complete removal under current regulations, or when the cumulative cost of piecemeal remedial works exceeds the cost of a new system. A competent specialist contractor will present both options with full costings so that the responsible person can make an informed decision.
Beyond the physical condition of the facade, cladding refurbishment is increasingly tied to regulatory and compliance obligations. The Health and Safety at Work Act 1974 places a general duty on employers to maintain safe premises. The Building Safety Act 2022 and associated secondary legislation have created specific obligations around external wall systems, particularly for residential buildings above 11 metres and higher-risk buildings above 18 metres.
For commercial properties, the dilapidations provisions of commercial leases also frequently require tenants to maintain the external envelope in good repair. Failure to address cladding degradation can result in significant dilapidations liability at lease end. Proactive refurbishment, backed by a documented maintenance regime, is the most cost-effective approach to managing this exposure.
Cladding refurbishment is relevant across virtually all commercial sectors, but the following building types are particularly likely to present refurbishment requirements:
Selecting the right contractor for cladding refurbishment requires more than a competitive price. The scope of work often involves working at height, on occupied buildings, with materials that have fire safety implications. The contractor must hold appropriate accreditations and carry verifiable experience of similar projects.
Key criteria when appointing a cladding refurbishment specialist include:
GLRE holds all of the above accreditations and has delivered commercial cladding refurbishment across the UK for over 25 years, working with clients including the NHS, Network Rail, Heathrow Airport, and major commercial property managers. Full details of GLRE's accreditations are available on the accreditations page.
Timescales vary considerably depending on the size of the building, the extent of works required, and the access method. A targeted sealant and recoating programme on a mid-sized commercial building may be completed in a matter of weeks. A full panel replacement programme on a large multi-storey facade will require a more detailed programme, with phased access and works planned to minimise building disruption. A site survey and condition report will provide the basis for an accurate programme.
Yes. Many cladding refurbishment programmes are planned and executed specifically to allow the building to remain fully operational throughout. Rope access methods are particularly well suited to occupied buildings, as they avoid the significant footprint of scaffolding at ground level and allow works to proceed with targeted daily programming rather than whole-facade closures.
In cases where the underlying structure and the majority of panels are sound, refurbishment is typically considerably less expensive than full replacement. The savings come from retaining the serviceable elements and carrying out targeted intervention only where needed. However, where surveys reveal widespread panel failure or a compromised structural frame, full replacement may represent better long-term value. A competent contractor will present both options with evidence.
The key regulatory framework includes the Building Safety Act 2022, the Building Regulations (Approved Document B for fire safety), and the Health and Safety at Work Act 1974. For buildings containing multiple dwellings above certain height thresholds, additional obligations apply under the secondary legislation introduced following the Grenfell Tower fire. Commercial buildings also need to comply with relevant British Standards for facade systems, including BS 8414 for fire performance testing. Responsible persons should seek specialist advice to understand their specific obligations.
GLRE has delivered commercial cladding refurbishment programmes across the UK for over 25 years. If your building is showing signs of facade degradation or you need a condition survey, contact GLRE today to book a site survey and receive a fully costed options report.
