Make it your own. Understand what connects it to everyone else’s.
A new bathroom, a different floor or a few weeks away can affect another person’s home. Understanding those connections helps you protect your neighbours, your money and your own peace of mind.
For residents in England and Wales · Reviewed 10 October 2026
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Your home, a shared building
A short introduction to alterations, leaks and leaving a flat empty.
Created with NotebookLM, then edited and checked against the sources. General information, not advice on your circumstances. Checked 10 October 2026.
Read the transcript and sources
This is the brief on leasehold living in a shared building. This is a plain English general info overview for leaseholders in England and Wales covering shared building responsibilities, and explicitly, it's not legal, structural, or insurance advice.
First, your floor can be another person's ceiling. You've got to check your actual lease and any later changes, because a share of freehold doesn't remove the lease. Before altering things, seek competent professional help for structural risks. Lease consent is entirely separate from planning permission, building regulations, and party wall checks. Plus, not every alteration triggers the Party Wall Act.
Second, report leaks promptly and get appropriate help, because where a leak appears may not be where it starts. Defect repair, damage liability, and insurance are completely separate issues. A leak from a flat doesn't automatically establish that person's legal liability.
Check your actual insurance policy conditions and arrange a reliable emergency contact before leaving a flat empty. There's no universal unoccupied period applying to every policy.
So, when an issue arises, start with three specific questions. One, which part is affected? Two, what does the lease say? And three, what facts or professional checks are still needed?
Context and sources
The full guide below also explains how to ask for the reason, lease clause and evidence behind a rule or charge.
What happens inside one front door can travel beyond it.
It is natural to think, “This is my home.” It is. In a shared building, your floor may also be someone’s ceiling; a wall may support several flats; a pipe may serve more than one household.
Lease terms can set out who repairs those parts, how costs are shared and which changes need consent. Similar restrictions on your neighbours may protect you from disruptive work, damage or noise. The wording and enforcement arrangements matter.
That practical purpose does not make every clause fair, every fee justified or every management decision correct. Ask what the rule says, what risk it addresses and who has authority to apply it.
Having a share of the freehold does not normally remove your flat’s lease. Owners still need a workable way to make decisions and maintain the building together.
These are practical precautions. Your actual obligations depend on the lease, applicable law, building arrangements and insurance policy.
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Changing a wall, kitchen or bathroom
Who else could be affected? A wall may be structural or separate homes. Moving plumbing can disturb shared supplies, drainage or protective construction.
Before work starts: identify the part involved, check the lease and plans, and ask a competent professional about structural and shared-service effects. Obtain any required written consent. Planning permission, building regulations and Party Wall procedures are separate checks; one approval does not cover them all.
Not every alteration triggers the Party Wall etc. Act 1996. Work to qualifying walls, floors and other party structures may do so. Check before starting.
Who else could be affected? A poor connection or failed seal may damage the flat below and disrupt someone’s home long after the water has stopped.
Reduce the risk: use a suitably competent, insured contractor; agree how any shared supply will be isolated; ask for testing and completion records. Keep the invoice and report new damp or drips promptly.
The place water appears is not necessarily its source. Who fixes the defect, who pays for damage and what insurance covers are separate questions. A leak from a flat does not, by itself, settle legal liability. Repeated claims can also affect the cover or excess available to the whole building.
Who else could be affected? A small leak can become a large one if nobody notices it or knows how to reach you.
Before leaving: check the building and contents policies for unoccupancy conditions, notification and inspection requirements. There is no single period that applies to every policy. Agree a reliable emergency contact and, where appropriate, a trusted keyholder.
Ask the plumber or insurer what is appropriate for your installation, including water isolation and frost protection. Do not turn off communal supplies or safety systems. Share contact details privately with the relevant manager, rather than advertising that your home is empty.
Who else could be affected? A floor that looks better to you can sound very different in the room below. Building work can affect sleep, work and health.
Before changing it: check flooring, nuisance and consent clauses; ask about acoustic requirements and agree work arrangements. Tell neighbours the dates and a contact for problems. Normal household sound and unreasonable disturbance need different responses; start with the specific effect and evidence.
Who else could be affected? Deliveries, stored belongings and contractors’ materials can obstruct access for neighbours, carers or emergency responders.
Make arrangements: check the building’s fire-safety instructions and rules for shared areas. Keep escape routes clear and report damaged doors or obstructions. If you need an accessible storage or access arrangement, ask the manager to work through a safe solution with you.
The person organising a repair may not be the person funding it.
The leaseholder
Usually looks after the parts allocated to them by the lease, follows relevant restrictions and contributes to specified shared costs. Reporting problems and cooperating with properly arranged access can help prevent avoidable damage.
The landlord or resident company
The lease and legal structure allocate duties to the landlord, a residents’ management company or an RTM company. Check who is responsible for this particular decision. A resident director is often a neighbour doing this work voluntarily.
The managing agent
An appointed agent can arrange contractors, budgets, accounts, insurance administration and responses to residents. Its management agreement sets the scope, fees and decision limits. Appointing an agent does not remove the client’s responsibilities.
Ask: “Who is your client, who can approve this work, and what is included in your fee?” The service charge may fund work the landlord or company must arrange. That does not mean the whole payment is the agent’s income, or that the lease authorises every item on the bill.
For ordinary access, ask for the purpose, relevant lease provision, notice and agreed appointment. Emergency arrangements need separate checking; owning or managing the building is not a general permission to enter someone’s home whenever convenient.
Shared responsibility comes with questions worth asking.
A charge can be necessary and still poorly explained. It can also be wrongly allocated, unsupported or unreasonable. A total or comparison with another building will not settle that.
Separate the different amounts
Running costs: services such as cleaning, repairs and insurance.
Management fee: the agent’s agreed service, with any extras identified.
Reserve contribution: money collected for future expenditure, where the lease permits it.
Major works or balancing charge: a project or adjustment that needs its own explanation.
Ground rent is a separate payment and does not buy a maintenance service. A reserve fund is not proof that every future repair is already paid for.
Follow the amount back to evidence
Which lease clause allows this cost?
What is the service, period and total for the building?
How was my share calculated?
Is it a budget, actual expenditure or reserve contribution?
What invoices, contracts, work records or insurance documents support it?
Why has it changed, and was consultation required?
Two similar fee descriptions may overlap or cover different services. Ask what each includes before reaching a conclusion.
Raise the specific question in writing and keep the response. Querying a charge does not itself pause a payment deadline. Get case-specific advice before withholding payment or starting proceedings.
The protections alongside the obligations
A starting map of the law.
These routes mainly concern residential leasehold in England and Wales. Eligibility, charge type, deadlines and procedure matter. This guide is general information, not legal or surveying advice.
Costs and standards
Landlord and Tenant Act 1985, section 19: relevant costs for variable service charges must be reasonably incurred, and related work or services must meet a reasonable standard. This does not simply mean choosing the cheapest quote.
1985 Act, sections 21 and 22: routes to request a summary of relevant costs and inspect supporting records. Formal requirements and time limits apply; the general questions below are an informal starting point, not a statutory notice.
1985 Act, sections 20 and 20ZA: consultation requirements for qualifying works and long-term agreements, with rules on limits and tribunal dispensation. Consultation is an opportunity to comment, rather than an automatic veto. England and Wales have separate regulations.
1985 Act, section 27A: the appropriate tribunal can decide whether a service charge is payable and related questions, subject to statutory limits. Payment alone does not amount to agreeing the charge. A dispute over service quality or complaint handling may need a different route.
Commonhold and Leasehold Reform Act 2002, Schedule 11: certain approval, information and other fees are administration charges. Variable administration charges must be reasonable; challenge routes and demand requirements apply. Buying new property rights or paying a premium is a different question.
Reform is being implemented in stages. The Leasehold and Freehold Reform Act 2024 contains further protections. Check the relevant commencement and transition rules for England or Wales before relying on a new right. An announced reform is not, by itself, a right you can use today. Read the government’s implementation response ↗
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Understand the responsibilities in my lease
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