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The Moneybox app is the simplest way to save and invest.

Building Moneybox Mortgage Advice

At Moneybox, we’re on a mission to help everyone save and invest for their future. We’re already been helping hundreds of thousands of people in the Moneybox community to save for their first homes through our Lifetime ISA. Now, we’re excited to help on the next step of the journey, whether you’re buying your first home, next home or remortgaging.

In February this year, we launched Moneybox Mortgage Advice — a full in-app service to help find a mortgage that’s right for you. Here, our design team takes you through how we built our new Mortgage In Principle in-app journey and brought to life our new mortgages service.

moneybx mortgages screens

The beginning…

When the Moneybox home-buying team first began to tackle the world of mortgages, we knew we wanted our customers to be able to complete their mortgage application from start to finish all from within the app. First up, the Mortgage In Principle (MIP), which is an official estimate from a mortgage lender confirming that, in principle, they would lend you a certain amount as a mortgage. We stripped this process down to the core questions that were legally required within a MIP, making the process a lot more digestible for the customer. We chose to show one question per screen and organised them into five meaningful sections: personal details, eligibility, income, outgoings, and mortgage details. To help make the process even smoother for our customers, we pre-populated some of the answers with information already known to us, like personal details.

moneybx mortgages screens first draft

From a UI perspective, we made use of our input components in order to take advantage of elements we’ve previously designed and built. These were all part of our Design System.

The form itself made use of micro-interactions to elevate progress throughout the application. It visually scrolls down as soon as the customer completes their answer, and has the previously answered question appearing at the top. Tapping on that section of the screen will lead you back to the appropriate question.

Moneybox mortgages form

To further highlight progress, we also introduced a progress bar right below the navigation to showcase percentage of completion. We worked really closely with developers in order to achieve the right balance between a user friendly UI and a seamless technical implementation.

Good user experience doesn’t translate into visuals only. As designers, we look at the entire process, and this also extends to screen copy. At Moneybox, our tone of voice is simple, engaging and easy to understand, so we always opt for a friendly language. We also worked with our team of mortgage advisers to ensure the right terminology was used throughout the flow.

Moneybox mortgages details

Finally, to make sure we were catering for our customer’s busy lives, we built a ‘save & exit’ functionality to allow for information to be completed at different points in time. This also helps if customer’s don’t have all of their information at hand at the time of starting a new MIP.

Moneybox mortgages income

At the end of the MIP journey, customers wait a few short seconds for their Mortgage In Principle details to be calculated and are entertained with a fun lottie animation, before being presented with their estimate certificate.

Moneybox mortgages income

The customer’s MIP application (or offer) can be accessed at any time in-app in the Accounts > Mortgages tab. After receiving and reviewing their MIP, they will have the option to choose between a phone call or an in-app chat with a Moneybox mortgage adviser. We believe that giving customers more than one option to choose from will help better accommodate their needs.

We then track the customer’s journey through their mortgage application with updated copy at each milestone stage, keeping customers informed of their progress.

Moneybox mortgages statuses

Testing our assumptions

Ahead of any new service or app release, it’s important we test new in-app journeys with our beta customers to understand feedback and make any improvements necessary.

Moneybox mortgages testing

The objective for this beta testing was:

Moneybox mortgages feedback

What we learned

After reviewing the feedback received from users, we learned the following:

✅ The level of questions felt appropriate: All participants were comfortable answering all the questions presented in the MIP.

✅ It was quick and easy to apply: All participants felt the application was very easy to complete and were positively surprised about how quick and easy the process was.

🆗Visual progress was good enough: All participants noticed the progress bar at the top and felt it didn’t positively or negatively impact their application.

✅ The level of questions felt appropriate: All participants were comfortable answering all the questions presented in the MIP.

❌ People were not familiar with MIP terminology: All participants were not familiar with the “Mortgage in Principle” terminology and would prefer to get more information upfront.

✅ The order of questions made sense: All participants found the order of the sections logical.

🆚 People prefer chatting: All participants expressed their preference in chatting vs. arranging a callback, mostly because they felt they could get an immediate reply.

✅ People are comfortable applying in-app: All participants were comfortable with starting a mortgage application from their mobile phone, especially if the application was well designed and only takes a few minutes to get started.

🤩 The UI felt friendly: All participants praised the intuitive and clean interface and were delighted by the graphics.

🤔 The save and exit option wasn’t clear: Participants didn’t understand that closing the application would save it. They were also expecting a back button on the top left corner and not an “X”.

✏️ People requested an easy way to make changes to their application: All participants would expect to be able to edit each individual section rather than having to go through the whole application again.

ℹ️ People would prefer helpful context in-place: Even though participants said the questions were clear, there was a suggestion to explain further some of the questions, such as government schemes.

Turning feedback into actions

We shared the results with the wider team and incorporated the feedback to improve the prototype even further:

Moneybox mortgages feedback 2


We’ve now rolled out Moneybox Mortgage Advice to all Moneybox customers and it’s been great to see so many people begin their mortgage journey with us.

Great design is the iteration of good design, and this is only possible through great collaboration from team members and feedback from our customers.

While there is always room for iteration and improvement, we’re proud to have created a full in-app mortgage application experience that is functional, easy to use and that will help many people achieve their home ownership goals.

Moneybox mortgages final screens