Aims NI
Non-Standard Construction Mortgages
Non-Standard Construction Mortgages in Northern Ireland
Non-Standard Construction Mortgages Belfast
Last Updated: 7th April 2026
Non-Standard Construction Mortgages are designed for properties that fall outside traditional building methods, such as brick walls and tiled roofs. If you are purchasing or remortgaging a property built with alternative materials or techniques, you may find that standard mortgage options are more limited.
At AIMS NI, we provide independent, whole-of-market mortgage advice across Northern Ireland. We work with lenders who understand non-standard construction and can help you secure a mortgage for a wide range of unique property types.
What Is a Non-Standard Construction Property?
A non-standard construction property is any home that is not built using conventional materials such as brick or stone walls with a tiled roof. These properties may use alternative materials or methods that can affect how lenders assess risk.
While many non-standard properties are perfectly safe and desirable, lenders often take a more cautious approach due to concerns around durability, maintenance and resale value. Understanding how your property is classified is an important first step.
Types of Non-Standard Construction Properties
There are many different types of non-standard construction properties, each assessed differently by lenders. Common examples include timber frame homes, steel frame properties, and concrete-built houses such as PRC (precast reinforced concrete) homes.
Other examples include thatched roof properties, listed or historic buildings, and homes built using modern methods of construction. Each type comes with its own considerations, particularly when it comes to valuation and insurance.
AIMS NI helps identify the construction type and matches you with lenders who are comfortable with that specific property.
Can You Get a Mortgage on Non-Standard Construction?
Yes, it is possible to secure Non-Standard Construction Mortgages, but lender choice is more limited compared to standard properties. Some high-street lenders may decline these applications, while specialist lenders are more experienced in assessing non-standard construction.
The key factors include the type of construction, the condition of the property, and how easily it could be sold in the future. AIMS NI ensures your application is directed to lenders who are most likely to accept the property.
Why Non-Standard Construction Mortgages Can Be More Complex
Non-standard construction properties often involve additional complexity during the mortgage process. Valuation can be more challenging, as comparable properties may be limited. Lenders may also have concerns about long-term maintenance or structural performance.
Insurance can be another factor, as some non-standard properties require specialist cover. In addition, lenders may apply stricter criteria or lower loan-to-value limits to manage risk.
This is why working with an experienced broker is particularly important in these cases.
What Lenders Look for with Non-Standard Construction Mortgages
When assessing Non-Standard Construction Mortgages, lenders focus on several key factors. These include the type of construction, the overall condition of the property, and the results of any structural surveys.
They will also consider the property’s marketability, including how easy it would be to sell in the future. Location and local demand can also influence the decision.
AIMS NI ensures all relevant information is clearly presented to lenders, helping avoid unnecessary delays or declines.
Deposit Requirements
Deposit requirements are often higher for non-standard construction properties. This is because lenders may view these properties as higher risk and reduce the maximum loan-to-value available.
A larger deposit can improve your chances of approval and may also give access to a wider range of lenders. AIMS NI provides clear guidance on deposit expectations based on the specific property and your financial position.
Survey and Insurance Considerations
A detailed survey is usually required when applying for Non-Standard Construction Mortgages. In some cases, a specialist structural report may be needed to confirm the condition and longevity of the property.
Insurance is another important consideration. Some insurers may be more selective when covering non-standard properties, particularly if materials or construction methods are unusual.
AIMS NI helps ensure these elements are addressed early in the process to avoid complications later.
Non-Standard Construction Mortgages for Buyers and Remortgages
Whether you are purchasing a property or looking to remortgage, non-standard construction can affect your options. Buyers may face more limited lender choice, while homeowners looking to remortgage may need to consider specialist lenders.
If your property has increased in value or you have built equity, remortgaging may still be possible under the right circumstances. AIMS NI reviews your options and helps identify suitable lenders.
Why Choose AIMS NI?
AIMS NI has over 20 years’ experience helping clients across Northern Ireland secure mortgages for a wide range of property types, including non-standard construction homes. As an independent, whole-of-market broker, we are not restricted to a small panel of lenders.
We are authorised and regulated by the Financial Conduct Authority and provide clear, professional guidance throughout the process. Our experience with specialist properties allows us to match your application with lenders who understand your situation.
Contact AIMS NI Today
If you are considering Non-Standard Construction Mortgages, AIMS NI can help you understand your options and secure the right mortgage for your property. We provide clear, whole-of-market advice tailored to your circumstances.
Contact AIMS NI today for a free, no-obligation consultation and take the next step towards securing your mortgage.
Non-Standard Construction Mortgages FAQs
Any property not built with traditional brick or stone walls and a tiled roof is generally considered non-standard.
They can be more complex, but many lenders specialise in non-standard construction.
In many cases, yes. This helps lenders assess the condition and risk of the property.
Yes, although lender options may be more limited.
Often, yes. Higher deposits are common with non-standard properties.
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Disclaimer
A MORTGAGE IS A LOAN SECURED AGAINST YOUR PROPERTY. YOUR PROPERTY MAY BE REPOSSESSED IF YOU DO NOT KEEP UP REPAYMENTS ON YOUR MORTGAGE OR ANY OTHER DEBT SECURED ON IT.