Rent Increase Letter (Fixed Term)

Adjust Rent Legally, Clearly, and in Writing – Choose the Right Approach for Fixed Term Tenancy

Need to adjust rent without confusion or disputes?
Our AI-powered tool creates tailored rent adjustment documents for fixed-term tenancies, helping landlords and tenants formalise rent changes in the right format for their situation.

This product covers three common rent adjustment scenarios:

  • Rent Review Clause Notice
    Use when your tenancy agreement includes a rent review clause and you need to issue a formal, legally compliant notice.
  • Mutual Rent Increase Letter
    Perfect for when landlord and tenant have agreed on a rent increase and need a simple, signed confirmation.
  • Rent Increase Offer Letter
    A professional, landlord-issued proposal to increase rent, inviting tenant agreement without formal notice yet.

Legal Alignment

Structured according to UK tenancy law and best practices for notices and letters.

Clearly Written, Professional Tone

Ensures tenants understand the change, preventing miscommunication or informal mistakes.

Not Just Templates

Our system adapts to your scenario – whether it’s a formal notice, mutual confirmation, or offer letter.

Ready in Minutes

Generate, download, and serve the right document faster than a solicitor could draft it.

Not Just a Template! A Professionally Drafted Rent Adjustment Document Tailored to Your Tenancy

Adjusting rent during a fixed-term tenancy has never been easier. Our AI-powered system generates solicitor-style rent adjustment documents – whether you need a formal notice, a mutual rent increase letter, or an offer letter for tenant approval.

This isn’t just automation – this is personalised legal documentation, crafted to fit your tenancy, your dates, and your rent terms.

Whether you are reviewing rent under a contractual clause, confirming a mutual increase, or proposing a new rent to your tenant, this document ensures that your rent adjustment is clear, compliant, and dispute-proof.

This ready-to-use document is structured by legal professionals and offers:

✅ Automatically selects the correct document type (Notice, Mutual Letter, or Offer Letter)
✅ Legally aligned for fixed-term ASTs and contractual tenancies in England & Wales
✅ Editable Word & PDF versions – ready to review, sign, and serve
✅ Covers all key elements like rent, effective dates, and optional deposit updates
✅ Clearly written, professionally formatted, and enforceable

Avoid informal emails or risky verbal agreements.
Document your rent changes properly – with clarity and confidence.

Take advantage of early-access pricing and avoid costly solicitor fees today! Set the right rent — the right way. Avoid disputes and invalid increases with a proper document.

£4,90

Start Building My Rent Increase Letter

Fill out the form below to generate rent increase documents for fixed term tenancies in the UK, including: Rent Review Clause Notice, Mutual Rent Increase Letter, Rent Increase Offer Letter

If your tenancy is periodic and you need to serve a Section 13(2) Rent Increase Notice (Form 4), please use our dedicated form here: Section 13 Rent Increase Notice (Form 4)

This ensures you generate the correct legal document for your tenancy type and comply with UK tenancy law.*

1Rental Details
2Rent Details
3Landlord Details
4Tenant Details
Enter the start date of the current tenancy. This helps determine if the tenancy is still within the fixed term period.
What type of property is it? (optional)
Select the type of property. This is optional but can help ensure the rent increase letter clearly identifies the property
Enter the full address of the rental property to which this rent increase applies.
Example: 12 High Street, London, SW1A 1AA.
Does your tenancy agreement include a rent review clause?
Some tenancy agreements include a rent review clause that allows the landlord to increase rent during the fixed term.
If you are not sure, check your tenancy agreement.
Enter the date when the landlord (and the tenant, if applicable) will sign the document. This date will appear as the signature date on the final document

How Does It Work?

BelgeAI is the easiest way to create a Rent Increase Letter (Fixed Term) in accordance with UK law with artificial intelligence technology. Prepare a Rent Increase Letter (Fixed Term) in just three simple steps.

1. Answer a Few Quick Questions

Our system automatically determines the correct document type (Rent Review Notice, Mutual Rent Increase Letter, or Offer Letter) based on your answers.

2. AI Generates Your Tailored Document

We prepare the exact document or letter you need, personalised with your tenancy details, rent amounts, and dates.

3. Download & Use Instantly

Receive your document in PDF and editable Word format – ready to sign, send, or serve.

Frequently Asked Questions

Find answers to the most frequently asked questions about BelgeAI Rent Increase Letters.

Who can use these rent adjustment / increase documents?

Landlords in England & Wales who have fixed-term tenancies (AST or contractual) and need to propose, agree, or formally notify a rent increase.

Our system automatically chooses the correct document based on your answers:

  • Rent Review Clause Notice → If your tenancy includes a rent review clause
  • Mutual Rent Increase Letter → If landlord and tenant already agreed on the new rent
  • Rent Increase Offer Letter → If you want to propose an increase for the tenant to consider
  • Rent Review Notices are enforceable under your tenancy agreement.
  • Mutual Letters become binding once signed by both parties.
  • Offer Letters are not binding until the tenant accepts in writing.

No. For statutory periodic tenancies, the proper document is a Section 13 Rent Increase Notice. This product is designed for fixed-term agreements.

No. BelgeAI generates legally aligned, professionally structured documents ready to serve or sign, saving you time and solicitor fees.

  • If you sent an offer letter, no change occurs until they agree.
  • If it’s a mutual letter, both must sign to confirm.
  • For a rent review notice, follow your tenancy terms – disputes can be taken to a tribunal if necessary.

Yes. The Word version is fully editable to suit your individual rental terms.

Yes, you can add additional clauses and conditions as you need from the ‘Special Clauses’ section in the document creation form.

You can download all your documents in PDF and Word formats.

Since the document is personalized and can be downloaded instantly, returns are not possible.