Expert guidance for homebuilders facing complex lending criteria, timelines, and funding decisions.
Home / Specialist Mortgages / Self Build Mortgages
I’m Rachel Johnson, and I’ve been part of the financial industry since I was 17. Over the years, I’ve built a strong foundation of knowledge and experience, becoming a qualified adviser in January 2019.
With over 25 years of experience in financial services, I’ve dedicated my career to helping people make confident financial decisions and achieve their property goals.
With over 20 years of experience in the property and financial services industry, I’ve built a career that blends my passion for people, property, and professional growth.
With nearly 20 years of experience as a fully Qualified Accountant (CIMA), I, Vaishali Saran, bring a unique and analytical financial expertise to my role as a Mortgage Adviser.
I am a Mortgage and Protection Adviser with experience supporting first-time buyers, remortgages, Buy-to-Let, and Right to Buy clients.
Hi, I'm Nico, a mortgage and protection adviser offering a bespoke service designed to help clients find the best available product for their individual circumstances.
For those who want to build their own home, a conventional residential mortgage is not an option. Instead, the self-builder would need to apply for a self-build mortgage. Not every lender is active in the self-build mortgage market and those that are, tend to charge a higher rate of interest for self-build mortgages. Self-build mortgages involve regular site inspections, and additional administrative tasks and are deemed to carry more risk for the lender than conventional mortgages do. Also, the self-build mortgage application can take longer to process than average — five or six months is not unusual.
The lender will want to see detailed plans for the property, an accurate build cost projection, and building regulations approval and would expect, at the very least, outline planning permission to have been granted. Rather than the borrower taking on the build, lenders are likely to require a professional builder or a qualified project manager to be appointed.
Building a property is an exciting project, but financing it requires careful planning. A conversation early on can help you understand what to expect before you commit.

Lenders will employ a professional valuer to assess the property’s market value on completion and during the build. If the mortgage provider considers the project viable, the amount they’re willing to advance will be determined by a range of factors such as build type, construction methods and materials used, and the property’s location. The lender will also take account of the borrower’s credit history and judge whether they can afford to make the loan repayments or not.
As most lenders will not advance more than 75% of the current value of the land and a similar amount against the build costs, the self-build borrower has to find a larger deposit than normal. Some providers require the mortgagor to have bought the land prior to applying for the mortgage.
Houses are built in stages, which is why self-build mortgage funds are released in stages. Precisely when each advance is made — either at the beginning or on completion of each stage — depends on the lender’s policy. Where applicable, the first advance is used to help buy the land on which the property will be built. Subsequent advances are made (subject to the valuer’s approval) once the foundations have been laid, at the point when construction reaches the level of the eaves, as soon as the property is watertight, and when the interior walls have been plastered. The final advance materialises when the property is ready for occupation.
Self-build mortgages are designed specifically for building projects and differ from standard residential loans. Fewer lenders offer them, interest rates are typically higher, and applications often take longer due to the additional checks and site inspections involved.

YOUR HOME MAY BE REPOSSESSED IF YOU DO NOT KEEP UP REPAYMENTS ON YOUR MORTGAGE.
Mortgages are loans which are intended to help buyers purchase residential...
There are events we can all face that have the potential to disrupt lives,...
Every business needs to protect itself. For most businesses the most valuable...
As an estate agent, you know that a smooth buying journey means more satisfied...
At Mortgage Advisers UK, our purpose is simple: to support advisers at every...
Whether you are looking at consolidating your debts, raising money for home...
This is cover that pays out on death. Some plans pay upon earlier confirmation...
If you're a home owner over the age of 55, equity release offers you a way to...
Why should I use a mortgage broker?
A mortgage broker gives you access to a wide range of lenders and deals, including some that aren’t available directly to the public. They compare options on your behalf, help you understand what you can afford, and guide you through the application process from start to finish.
Using a broker can save you time, reduce stress, and improve your chances of approval.
When is the earliest I can secure a new mortgage deal?
You can usually secure a new mortgage deal around 3–6 months before your current deal ends. Many lenders allow you to lock in a new rate in advance, which can help you avoid moving onto a higher standard variable rate.
Speaking to an adviser early ensures you have time to review your options and secure the most suitable deal.
I don’t have a good credit history, can I still get a mortgage?
While a strong credit history makes approval easier, many lenders consider more than just your credit score. Factors like your income, employment stability, deposit size, and overall financial situation also matter.
There are specialist lenders who work with applicants who have missed payments, defaults, or other credit issues. You may need a larger deposit or pay a slightly higher interest rate, but options are often available.
Speaking with a mortgage broker like Mortgage Advisers UK can help you understand what you qualify for and which lenders are most likely to approve your application.