Cladding Testing

Glossary · Two-word term

Fund Bsf

In short

government programme providing financial support for cladding remediation

The Building Safety Fund is a UK government programme providing financial grants for the remediation of unsafe non-ACM cladding on residential buildings over 18 metres, aimed at protecting leaseholders from the capital costs of essential fire safety works.

Last updated

Appears 95 times across this site

Definition and Scope of the Building Safety Fund

The Building Safety Fund (BSF) is a central government programme in England designed to provide financial support for the remediation of unsafe non-ACM (Aluminium Composite Material) cladding systems on residential buildings. First announced in 2020, the fund was established to address the significant costs associated with removing and replacing external wall systems that do not meet the functional requirements of the Building Regulations, specifically regarding the prevention of fire spread over the external envelope.

The scope of the BSF is defined primarily by building height and occupancy. It generally targets high-rise residential buildings measured at 18 metres or more above ground level. While the fund is intended to alleviate the financial burden on leaseholders, it operates as a grant system where the "responsible entity"—typically the freeholder, a Right to Manage (RTM) company, or a Resident Management Company (RMC)—applies for funding to cover the costs of necessary remediation works. The fund covers the capital costs of the works, including professional fees, provided they relate strictly to the mitigation of fire safety risks identified in the external wall system.

Role in Cladding Testing and Assessment

In the context of cladding testing, the BSF serves as a primary driver for the commissioning of technical reports. A prerequisite for any application to the fund is a detailed evidence base regarding the composition and performance of the building’s external wall system. This usually begins with a PAS 9980 assessment, conducted by a competent fire engineer or building surveyor, which results in a Fire Risk Appraisal of External Walls (FRAEW).

The BSF process necessitates a rigorous approach to testing. Where the exact composition of the cladding panels or insulation is unknown, intrusive inspections and laboratory testing of samples are often required. These tests determine the combustibility of materials and the presence (or absence) of fire-stopping and cavity barriers. The results of these technical assessments dictate whether a building meets the eligibility criteria for the fund. If a building is deemed to require remediation through an FRAEW, the resulting report becomes a core document in the BSF application, linking technical cladding analysis directly to the procurement of government funding.

Impact on Building Fabric and Remediation Strategies

The BSF influences how remediation strategies are formulated for the building fabric. Because the fund is restricted to addressing life safety risks, the proposed works must be proportionate. This has led to a shift in industry practice away from the default total removal of all cladding towards more nuanced "hybrid" remediation strategies. In some instances, a building fabric may be improved through the installation of cavity barriers or the replacement of specific high-risk panels rather than a full recladding exercise, provided the fire engineer confirms this reduces the risk to an acceptable level.

The technical requirements of the BSF also dictate the standards to which replacement materials must adhere. Typically, new materials introduced to the external wall system must achieve a high classification of reaction to fire, such as Class A1 or A2-s1, d0, in accordance with BS EN 13501-1. The fund ensures that the replacement process is not merely a cosmetic exercise but a fundamental technical upgrade of the external wall system to comply with current safety standards and the latest amendments to the Building Regulations.

Regulatory and Process Context

The BSF operates within a complex regulatory landscape in England and Wales, primarily governed by the Building Safety Act 2022 and the Regulatory Reform (Fire Safety) Order 2005. The process is managed by the Department for Levelling Up, Housing and Communities (DLUHC) and the Homes England agency. For a building to progress through the BSF, it must pass through several distinct stages: registration, eligibility confirmation, technical assessment, and finally, the signing of a Grant Funding Agreement (GFA).

A significant aspect of the regulatory context is the "waterfall" hierarchy of liability. Under the Building Safety Act, developers are expected to pay for the remediation of buildings they developed. The BSF is often considered a fund of last resort or a mechanism to ensure works proceed while cost recovery from developers is pursued. Consequently, the application process involves legal scrutiny of the building's ownership and the developer’s current status. The BSF is not a static programme; its rules and benchmarks for "proportionality" have evolved alongside the introduction of new British Standards, such as PAS 9980:2022.

Considerations for Responsible Entities

For building owners, managing agents, and directors of RMCs or RTM companies, the BSF represents a significant administrative and technical undertaking. The "responsible entity" holds the legal duty to apply for the fund and oversee the project. This involves procuring a multi-disciplinary team of professionals, including fire engineers, quantity surveyors, and legal advisors.

Managing expectations among leaseholders is a critical part of this role. The BSF application process is notoriously lengthy, often taking several years from initial registration to the commencement of works on-site. Furthermore, directors must understand that the fund does not cover all costs; for example, internal fire safety works (such as fire doors or compartmentation) or general building maintenance are typically excluded. The following table outlines the general categorisation of costs often encountered during a BSF-funded project:

Cost CategoryBSF Eligibility General Status
External Wall Insulation ReplacementGenerally Eligible
Fire Engineer and Professional FeesGenerally Eligible
Internal Fire Door UpgradesGenerally Ineligible
VAT on Eligible Remediation WorksGenerally Eligible
General Building Maintenance/DecorationGenerally Ineligible

Common Misunderstandings and Limitations

A frequent misunderstanding is that the BSF is a universal solution for all cladding-related issues. In reality, the fund is strictly limited by building height and risk profiles. Buildings under 11 metres are generally ineligible, and buildings between 11 and 18 metres are typically directed toward different mechanisms, such as the Medium-Rise Scheme (MRS) or developer-led remediation.

Another common misconception is that the BSF covers the entirety of a building's fire safety needs. Because the BSF is focused on the external wall system, it does not address "interim measures" costs, such as Waking Watches or temporary fire alarm installations, which have historically been a significant burden on leaseholders. Additionally, receiving BSF funding does not automatically mean a building is "compliant" in the eyes of insurers or lenders; these third parties often have their own risk appetites and may require further documentation beyond the BSF completion certificate.

Understanding the BSF requires familiarity with several related industry terms:

  • FRAEW (Fire Risk Appraisal of External Walls): The technical assessment performed under PAS 9980 that determines the risk level of the cladding.
  • Grant Funding Agreement (GFA): The legal contract between the government and the building owner setting out the terms of the funding.
  • PAS 9980: The British Standard code of practice for the fire risk appraisal of external wall construction and cladding.
  • EWS1 (External Wall System) Form: A valuation tool used by lenders, often confused with BSF assessments, though they serve different purposes.
  • Qualifying Leaseholder: A legal status defined under the Building Safety Act 2022 that determines a resident's protection from remediation costs.
  • Accountable Person: A new legal role defined by the Building Safety Act, responsible for managing fire and structural safety risks in occupied high-rise buildings.
Rope Access Window Cleaning on Brick FacadeRope access technician cleaning windows on a multi-storey brick clad building against a blue sky.rope access technician cleaning brick facade windows