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Becca sat at a wood topped desk with a pencil, notebook and laptop. Becca is a white female with wavy brown hair with blonde highlights. She is wearing a mustard cardigan over a black top. She is smiling. Books and plants are on the shelves in the background.

Your standards.
Your deadlines.
Your ways of working.
My expertise.

Lead Interior Designer levels of experience, ad-hoc availability, and the ability to fit seamlessly into your workspace from the getgo: a match made in heaven, if I do say so myself

Freelance interior design support that perfectly fills any gaps

To help you kickstart projects, keep up the momentum, or get the designs over the line when you’re short of time, capacity, or a particular skillset.

Your wish is my command

Space Planning

Kickstart your projects with space planning, to help push them to the next stage.

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3D & Visualisation

Turn your floor plans into a fully functioning 3D model or juicy visualisation, with the full array of plans and technical drawings to suit.

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Drawing Packages

From general arrangement to small power to RCPs to finishes to detailing, get any or all of your drawing packages ready for your clients and site meetings.

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FF&E / Mood Boards

Create an easy to understand mood board to get your clients on board with the design ideas going forward.

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Detail Design

Turn your ideas for bespoke furniture, cabinetry, manifestation, signage (you name it) into fully detailed drawings, ready to pass on to your client, contractor or furniture maker.

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… and more

Hello/Shwmae, I'm Becca Mizzi-Harris

And across my career as a Lead Interior Designer I saw, over and over again, the impact of the cycle of busyness and burnout. I set up Stiwdio Mizzi-Harris in 2022 to stop that cycle by providing ad-hoc relief for both commercial and residential interior design projects. I'll slot right into your team like I've always been there and get straight to work: whether you need me for a few hours, a few days, or a few months.

Let’s chat about freelance interior design support

I'd love to hear what you're working on and see if there's a way I can support you.

Get in touch
Picture of Becca Mizzi-Harris

Frequently Asked Questions

Not found what you're looking for? Here's what people often ask me

How does pricing work?
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Hourly, daily, or project-based rates are available.

I know you’re often working to tight deadlines and budgets, and you need to know where this sits amongst that. After discussing your requirements and budget, I will request a detailed scope of work and I will price accordingly so you know exactly where you are.

How soon are you available?
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I’m usually booked up a week or 2 in advance, but on occasion I’m available within a few hours or days.

I always suggest getting in touch as soon as you think you may need help, even if it is a month or more away! That way we can stay in touch, and solidify the booking once you know projects have the go ahead.

What if my project needs doing ASAP?
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Similarly, if you find yourself needing help yesterday… I’m only a message away. It’s always worth an ask, in case I’m available to help you within hours.

What are your working hours?
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I work flexibly, but generally Monday-Friday, 9am - 5pm ish.

What software do you use?
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Revit, AutoCAD, Vectorworks, Enscape, Adobe Photoshop, Illustrator, InDesign, SketchUp, and all the classics for documentation and spreadsheets.

I try not to run all of the above software subscriptions at once, so please let me know what you need me to use on enquiry.

Can you learn new software?
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I’m happy to learn new software for longer term clients, projects and collaborations. So if you don’t see your go to software above, let me know and maybe we can add it to the list!

Listen to the Design and Build Podcast

Come and dive into design processes, sustainability, and inclusivity with industry experts, exploring workplace, education, retail, and hospitality projects that shape our built environments.

Recent Episodes

  • Rethinking the value of design with Liesl Wherry19 Feb 2025
  • Problem solving with product design with Phil Hallett5 Feb 2025
  • The art of retail design and visual merchandising with Verity Gray22 Jan 2025

All episodes and platforms

Latest Episode

In this episode, I’m joined by Liesl Wherry, Creative Lead at Interaction UK. Coming in with a big topic! The value of design. Liesl is an impressive South African born interior architect with 12 years of experience in design. She spent the first 6 years of her career working in the interior department of one of the biggest architecture firms in Africa. Before moving to Bath in the UK in 2018 to work at Interaction. The value of design is a subjective topic, and in our experience, undervalued when it comes to the build process. Together we explored the many elements that we think define value, emphasising the importance of client relationships, understanding project requirements and brief, and the evolving needs of people. We discuss the intricacies and challenges of communicating design value, the subjective nature of design appreciation, and the impact of sustainability and user-centric design in the process.This was a thought provoking episode, and really enjoyed the elements we got stuck into to finish off Season 1 of Design and Build podcast. I hope you enjoy the episode! Episode Highlights 13:19 The Value of Design 25:09 Challenges in Design and Build 26:04 The Journey of Design Implementation 31:11 Convincing Clients of Design Value 40:06 The Evolving Value of Design 43:16 Misconceptions About Design Value 49:13 The Satisfaction of Design and Build Find us online You can find Liesl Wherry online through ⁠⁠⁠⁠⁠ ⁠LinkedIn⁠⁠⁠⁠⁠⁠ . You can find me, your host Becca Mizzi-Harris, on ⁠⁠⁠⁠⁠⁠LinkedIn⁠⁠⁠⁠⁠⁠ and ⁠⁠⁠⁠⁠⁠Instagram⁠⁠⁠⁠⁠⁠ . I would love to connect with you. If you enjoyed this episode, please leave a 5* rating and review, and share with a friend to enjoy! This episode is kindly sponsored by ⁠⁠⁠⁠Unilin Flooring⁠⁠ ⁠⁠. Thank you! Find their brands on LinkedIn ⁠⁠IVC Commercial⁠⁠ and ⁠⁠Moduleo⁠⁠ , or ⁠⁠Instagram⁠⁠ . This podcast is lovingly recorded and produced by Becca Mizzi-Harris at Stiwdio Mizzi-Harris Ltd. Becca is a commercial freelance interior designer, based in South Wales. Helping dozens of busy designers and design teams grow and smash deadlines with her flexible freelance services. You can find out more at ⁠⁠⁠www.mizziharris.com⁠.

Stiwdio Mizzi-Harris
Connect on LinkedIn becca@mizziharris.com

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