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Guides, walkthroughs, and answers to everything RentalBux — from your first login to filing MTD submissions with HMRC.
Getting started
New to RentalBux?
Watch the setup walkthrough before exploring the guides — it covers your first login, adding a property and connecting your bank account.
Most landlords complete setup in about 10 minutes.
Getting Started
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Start Here — Get RentalBux Ready for MTD
Follow this guided path to get your account set up and your first MTD submission done in under 30 minutes.
Before you begin — what to have ready
- Government Gateway user ID — you'll need this to connect RentalBux to HMRC
- National Insurance number (NINO) — your 9-character National Insurance number from HMRC
- Bank login details or a CSV statement — for Open Banking connection or manual import
- Rental property address — full UK postcode for your first property record
Sign up free, choose your landlord type, and set up your profile in under 2 minutes.
Start setup →Add your rental, set joint ownership percentages, and attach tenancy details.
Add property →Link via Open Banking for automatic imports, or upload CSV statements manually.
Connect bank →Connect to HMRC via Government Gateway and file your first quarterly update directly.
File MTD update →Common Tasks
The most frequent actions landlords take — jump straight to what you need to do right now.
Send your quarterly tax update directly to HMRC in under 5 minutes.
Set up Open Banking or import CSV statements for automatic reconciliation.
Photograph a paper receipt - OCR extracts the amount, date and supplier automatically.
Generate and send a rent invoice, and track payment status in your ledger.
Download a statement from your bank and import it as a CSV file in seconds.
Define profit-sharing ratios so income and expenses split automatically per owner.
Popular Guides
The most-read articles this month — solve common problems without browsing the full library.
Authorise RentalBux via Government Gateway in under 2 minutes. No bridging software needed.
Onboarding checklist: secure login, bank link, mobile app, invite accountant.
Define profit-sharing ratios so income and expenses split automatically per owner.
End-to-end guide: import, matching, resolution, and accountant export.
Photograph receipts with the app and let RentalBux extract and categorise automatically.
From review to confirmation receipt — everything needed to file your quarterly update.
Step-by-step: create a property record, set type and ownership, and attach a tenancy.
Import from your bank or letting agent — auto-match transactions instantly.
Browse by Category
Every feature area has its own full guide library — pick a topic and dive straight in.
New to RentalBux? Start here - a guided tour of every feature and how it replaces spreadsheets.
Get your account MTD-ready in minutes — bank link, HMRC connection, mobile app.
Add UK, overseas and commercial properties. Configure joint ownership splits.
Generate rent invoices, scan receipts with OCR, maintain your general ledger.
Import statements automatically or via CSV. Match and reconcile payments.
Connect to HMRC, file quarterly updates, and prepare for the April 2026 mandate.
Analyse rental performance, generate accountant exports, view MTD history.
Store leases, gas certificates and EPCs. Set expiry alerts, share securely.
Compare plans, manage your subscription, and understand what's included in the free tier.
All Guides
Complete documentation index — browse by category or filter to find exactly what you need.
Got questions? We've got answers.
Common questions from RentalBux landlords — with links to full guides.
Still need help?
Our UK-based support team is here to help. Reach out by phone, email, or browse our resources.