Planning Renovations in Your Flat?
- Stewart Tan
- Mar 14
- 4 min read
A Leaseholder's Guide to Getting It Right
Renovating your home is exciting — whether you're refreshing a tired kitchen, opening up a living space, or replacing your bathroom suite. But if you own a leasehold flat, there's more to consider than just choosing tiles and a contractor. Most leases contain provisions that govern what you can and can't do to your property, and making alterations without following the correct process can have serious consequences.
This guide walks you through everything you need to know before you pick up a paintbrush or call in a builder.
Step 1: Read Your Lease First
Before anything else, dig out your lease and read it carefully — or ask your managing agent to help you identify the relevant clauses. Most leases distinguish between two categories of work:
Routine Maintenance and Decoration: This includes repainting walls, replacing like-for-like fixtures (such as a standard tap or light fitting), or fitting new carpets. These are usually permitted without any formal consent, though some leases require you to notify the landlord as a courtesy.
Alterations: This covers structural or significant changes, such as removing walls, installing underfloor heating, changing windows, adding or removing partition walls, or modifying services (plumbing, electrics, gas). These almost always require written consent from your landlord or freeholder.
The key question your lease will answer is whether alterations are absolutely prohibited, conditionally permitted (i.e., with consent), or freely allowed. The vast majority of leases fall into the middle category — you can carry out works, but only with prior written approval.
Step 2: Identify Whether You Need a Licence for Alterations
A Licence for Alterations is the formal legal document by which a landlord grants consent for a leaseholder to carry out works that would otherwise be in breach of the lease. It is a legally binding deed and sets out the specific works permitted along with the conditions that must be met.
You are likely to need a Licence for Alterations if your planned works include:
Removing or altering internal walls (load-bearing or otherwise).
Installing underfloor heating.
Changing the layout of bathrooms, kitchens, or other wet rooms.
Replacing timber floors with hard flooring (often controlled due to sound transmission).
Alterations to windows or external doors.
Any works affecting shared or structural elements of the building.
Step 3: Submit Your Application
Once you have established that a Licence is required, you will need to make a formal application. This typically involves providing:
A written description of the works.
Detailed plans and drawings showing the existing layout and proposed changes.
A specification of materials and methods.
Details of the contractor(s) you intend to use, including insurance and qualifications.
A structural engineer's report, where the works involve load-bearing elements.
Step 4: Understand the Landlord's Review Process and Costs
Once your application is received, the landlord or their surveyor will assess the proposed works. They may approve the works, request modifications, or instruct their own surveyor to review the plans.
It is important to note that the leaseholder is responsible for the professional and administrative costs associated with the application. This typically includes:
Surveyor's Fees: For the technical review of your plans and any site inspections.
Legal Fees: For the drafting and completion of the Licence for Alterations by the landlord's solicitors.
Managing Agent's Administration Fees: To cover the time spent processing the application, liaising between parties, and overseeing the file. These are "non-core" fees as they fall outside the standard communal management duties.
These costs must be "reasonable," but they are payable whether or not the works ultimately proceed to completion.
Step 5: Review and Sign the Licence
If the landlord is satisfied, a Licence for Alterations will be drafted. This document will include:
A precise description of the permitted works.
Conditions relating to the standard of workmanship.
Obligations to comply with Building Regulations.
A reinstatement clause: Requiring you to restore the flat to its original condition at the end of the lease, if the landlord so requires.
Important: Do not start works until the Licence has been signed by all parties. Commencing works without consent is a breach of your lease and could give the landlord grounds for legal action or create problems when you come to sell.
Step 6: Building Regulations and Planning Permission
Obtaining a Licence from your landlord is separate from any statutory consents. You should check whether your works require Building Regulations approval (for structural, drainage, or electrical work) or Planning Permission (for external changes, especially in conservation areas).
Step 7: During and After the Works
Notify your managing agent when works commence and finish.
Protect communal areas: Ensure your contractor makes good any damage immediately.
Be considerate: Keep noise to reasonable hours and inform your neighbours in advance.
Collect Certificates: Obtain all completion certificates (Gas Safe, NICEIC, Building Regs), as you will need these when you come to sell the property.
What Happens If You Don't Get Consent?
Carrying out alterations without the required consent is a breach of your lease. The consequences can be serious:
The landlord may require you to reinstate the flat to its original condition at your own cost.
It can prevent a future sale, as buyer's solicitors will identify the breach.
Retrospective consent is sometimes available, but it is often significantly more expensive and will cause major delays during a sale.
In Summary
The golden rule is: check first, act second. The process exists to protect the building, your neighbours, and your own investment. A Licence for Alterations gives you the legal protection to carry out your works with confidence.
This article is intended as general guidance only and does not constitute legal advice. If you have specific concerns about your lease or planned works, we recommend seeking independent legal advice.

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