Our useful links section gives you access to external links, all in one place.


SONIA Swap Rates

Click here to view the latest SONIA Swap Rates supplied by Chatham Financial updated daily...


Below you’ll find links to Sonia Swap rates which will be updated daily to provide you with the latest swap rate. We’ve also included links to the .GOV stamp duty calculator, The Association of Mortgage Intermediaries (AMI) and Working in Mortgages to provide you with a range of useful tools, whether you are starting out or are a senior leader, there is something for everyone.

About AMI...

The Association of Mortgage Intermediaries (AMI) is the trade association that represents the views and interests of UK mortgage and protection brokers involved in the generation of mortgage business via professional financial intermediaries. TMA Club, Development Director, Lisa Martin is a member of the Association of Mortgage Intermediaries Board to support the initiative of the association. They work with government, regulators and policymakers to ensure the mortgage industry meets the highest standards. The core role is to lobby and campaign on behalf of the intermediary and ensure you are aware of change that is coming.

  • AMI is a non-commercial, not-for-profit trade body.
  • AMI’s objective is to play a critical role in the mortgage regulation process.
  • They work hard to input into policy and influence its direction.
  • AMI has a lobbying voice enabling us to promote ideas at government level.

Find out more:

Website Link:


Twitter: AMI (@Official_AMI) / Twitter

Build a career. Shape the future...

Working in Mortgages is a careers and outreach website for the industry, brought to you by AMI and IMLA. Whether you are just starting out or a senior leader with decades of experience (or anywhere in between), there is something for everyone.

Learn how to land your first job, improve your workplace, find support, succeed at networking, and much more.

Find out more.


SONIA (Sterling Overnight Index Average) is an important interest rate benchmark and is based on actual transactions and reflects the average of the interest rates that banks pay to borrow sterling overnight from other financial institutions and other institutional investors.

Financial businesses and institutions use SONIA in a variety of ways. For example, to calculate the interest paid on swap transactions and sterling floating rate notes . SONIA is used to value around £30 trillion of assets each year.


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With rising energy costs and the global warming agenda, it is likely that consumers will be more ready to look at what they can do to make their homes more energy efficient. In addition, with the commitments given by government we will see more direction being given to consumers and lenders on the need to improve the energy efficiency of homes.

In order to ensure brokers can have informed discussions with consumers on the alternatives open to them, the dates by which they will have to take action and the support available, Green Mortgage Advice have created this website to serve as a knowledge base for green mortgage advice.

Visit the Green Mortgage Advice Website here:

GOV.UK Stamp Duty Calculator...

This calculator can be used for property purchases that are:

  • first-time buyers
  • replacing main residence
  • additional property
  • residential or non-residential
  • freehold or leasehold
  • non-UK residents purchasing residential property

You must pay Stamp Duty Land Tax (SDLT) if you buy a property or land over a certain price in England and Northern Ireland.

The tax is different if the property or land is in:

Scotland – pay Land and Buildings Transaction Tax

Wales – pay Land Transaction Tax if the sale was completed on or after 1 April 2018

Stamp Duty Calculator