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Buying a flat in a high-rise (5+ storeys): Everything you need to know

7 min read

Thinking of buying a high-rise flat in a building 5 storeys or higher? Learn about the risks, mortgage challenges, and legal checks.

  • Parminder Phull

    Conveyancing Manager

    Updated on

    Published

modern high-rise block of flats in UK

High-rise living is becoming more common across UK cities. With their modern design, spectacular views, and central locations there’s lots to find appealing. However, since the Building Safety Act (BSA) came into force in 2022, buying a flat in a building five storeys or higher now involves stricter checks, mortgage challenges, and higher costs. This guide explains what makes high-rise purchases different, the legal risks to watch for, and how our specialist conveyancers can help when many others cannot.

In this article:

What is a high-rise?

Government guidance defines a high-rise residential building as one that is at least 18 metres tall or has seven or more storeys, with two or more residential units. However, since the Building Safety Act was introduced in 2022, residential buildings with five or more storeys, or over 11 metres, are often treated as high-rise for the purposes of safety checks, mortgage approvals, and conveyancing.

Why buying a high-rise flat is different

There are two main reasons why purchasing a high-rise flat involves extra considerations:

Leasehold vs. freehold

Most flats, and almost all in high-rise blocks, are sold as leasehold rather than freehold. This means you own the property for a fixed term and ‘lease’ the land it sits on. Understanding your lease is crucial, as it can affect your mortgage options, resale value, and responsibilities for maintenance. It also makes the buying process more complex as in addition to the standard conveyancing work involved in a purchase, your conveyancer also has to review lease terms, ground rent, service charges and restrictions.

Find out more about the differences between a leasehold and a freehold.

Compliance with the Building Safety Act (BSA)

If you’re buying in a block five storeys or more, compliance with the BSA is crucial. Extra certificates confirming the building meets safety requirements, such as fire risk assessments and (if relevant) an EWS1 form for cladding. Without these, lenders may refuse a mortgage, and your purchase could stall.

The Building Safety Act explained

The Building Safety Act 2022 was introduced after the Grenfell Tower fire to make high-rise buildings safer and to protect leaseholders from unfair costs. It applies to residential buildings that are five storeys or higher (over 11m), even though the official definition of a ‘high-rise’ is usually seven storeys or 18m+.

If you’re buying a flat in a tall building, the BSA means:

  • Stronger safety oversight: High-rise blocks must be registered with the Building Safety Regulator, and an ‘Accountable Person’ (usually the freeholder or management company) must take responsibility for compliance.

  • More transparency: Up-to-date fire risk assessments, safety case reports and building information must be available to buyers.

  • Cladding and remediation rules: If unsafe cladding is present, the developer or freeholder is usually responsible for fixing it. Leaseholders are protected from most cladding costs and from excessive charges for other safety works.

  • Impact on mortgages: Many lenders want reassurance that a building meets BSA standards. This may include an EWS1 form or equivalent documentation for buildings with cladding, before they’ll approve a mortgage.

Building Safety Act conveyancing: the role of your conveyancing solicitor

Buying a high-rise flat requires more detailed checks than a standard flat purchase. In addition to reviewing the lease, service charges, and any restrictions, your conveyancer must now also carry out specialist enquiries under the Building Safety Act (BSA). This is because building safety compliance has become a key focus for both conveyancers and lenders.

Building Safety Act conveyancing checks include:

  • Confirming building registration with the Building Safety Regulator and that an Accountable Person is named.

  • Reviewing building safety documents: Including fire risk assessments, safety case reports, and (if required by your lender) an EWS1 form for external walls.

  • Checking cladding remediation plans: Ensuring that works are completed, funded, or covered by guarantees where needed.

  • Verifying leaseholder protections: Making sure your lease qualifies for cost protections under the BSA and highlighting any potential liabilities.

  • Liaising with lenders: Providing confirmation that the flat is mortgageable by showing that all required safety documents are in place.

Because of these extra checks, not every solicitor or conveyancing firm will handle high-rise purchases. Choosing a conveyancer with specific expertise in the Building Safety Act is crucial to avoid delays, failed purchases, or unexpected costs.

Expert conveyancing solicitors

Not all conveyancers are experienced in high-rise transactions, but at My Home Move Conveyancing we have specialist knowledge of the Building Safety Act and the unique checks involved. Get a conveyancing quote today.

Young chain free first-time buyers lying on the floor of their new home

Costs to consider when buying a high-rise flat

Alongside the standard costs when purchasing a flat in the UK (stamp duty, mortgage fees, conveyancing, surveys, insurance), you should also budget for:

  • Higher service charges: Tall buildings often have lifts, on-site management, communal heating systems, or fire safety equipment, which can increase maintenance costs.

  • Reserve or sinking funds: Many high-rises require leaseholders to contribute to a reserve fund for future major works.

  • Additional legal fees: Conveyancing for high-rise flats is more complex, involving Building Safety Act checks, more enquiries, and extended timelines. As a result, legal fees are often higher than for a standard flat purchase.

Buying a high-rise flat FAQs

Can I get a mortgage on a flat in a high-rise building?

Yes, but lenders can be stricter with flats in tall buildings, especially if there are cladding or Building Safety Act issues. Some may ask for extra documents, limit loan amounts, or require larger deposits. To understand your options, it’s best to speak with a mortgage adviser and check our guide for more information on financing a flat purchase.

Who pays for cladding removal under the Building Safety Act?

In most cases, developers and freeholders are responsible for cladding removal, not leaseholders. The Building Safety Act introduced protections to stop flat owners facing unfair costs. Your conveyancer will confirm whether your building is covered and if any costs might still apply.

Are high-rise flats a good investment?

They can be, especially in city centres where demand is strong. However, higher service charges and stricter mortgage rules may affect long-term value. Always check the lease terms, building safety compliance, and resale potential before committing. Find out more about the pros and cons of buying a flat.

Do all flats over 5 storeys count as high-rise?

The official definition of a high-rise building is one over 18m or seven storeys. However, since the Building Safety Act, lenders and regulators often treat blocks with five or more storeys as high-rise for safety checks and mortgage approval.

Why do you need a specialist conveyancer when buying a flat in a high-rise?

High-rise purchases are more complex, involving leasehold checks, strict mortgage rules, and Building Safety Act compliance. Not every conveyancer has the expertise to handle these. Using a specialist ensures the right documents are in place and avoids delays or failed purchases. At My Home Move Conveyancing, we work with specialist conveyancers who deal with high-rise purchases regularly, so know exactly what to look for and how to keep your move on track, get a quote today.

What are the EWS1 form requirements when buying a high-rise flat?

EWS1 forms are used to confirm that external walls, including cladding, meet safety standards. Many lenders will require this for buildings with cladding or five storeys and above. If needed, your conveyancer will ensure all EWS1 form requirements are satisfied before your mortgage is approved.

Do I need an EWS1 form to buy a flat in a high-rise?

Not always. EWS1 forms are mainly requested by lenders when the building has cladding or is five storeys or more. Some lenders accept other safety paperwork under the Building Safety Act, but missing documents can delay or block a mortgage. Your conveyancer will confirm exactly what your lender requires.

Are service charges higher in high-rise flats?

Often yes, because tall buildings have lifts, fire safety systems, and on-site staff that increase maintenance costs. Charges vary, so it’s important to get an accurate breakdown before you buy and check whether contributions are expected to rise.

Is it harder to resell a flat in a tall building?

It can be. Buyers and lenders want up-to-date safety documents, and mortgage approvals can take longer. That said, high-rise flats in popular city locations are usually in demand, provided the building meets safety standards and the lease terms are favourable.

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