How much does residential interior design cost in London?
If you’re planning a home renovation or redesign, one of the first questions is likely: “How much will an interior designer cost?” The answer depends on many factors, from the size of your home to the level of customisation you want. Drawing on our experience with residential projects across London, this guide will help you understand costs, what influences them, and how to get the most value from your investment.
types of residential interior design services
At Interior105, we specialise in residential projects, covering:
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Bespoke interior design tailored to the client’s needs
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Space planning and interior layout optimisation
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Material and finish selection guidance
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Furniture and décor sourcing
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Project management support from concept to completion
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Virtual design
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Expert 1:1 consultancy
Each project is tailored to the client’s lifestyle, preferences, and the property’s potential, ensuring a perfect balance of style and functionality.
case study 01
Clapham common renovation
We helped a client reconfigure the entire layout of their three-bedroom split-level apartment to suit modern living while keeping it appealing for future resale. The project included the design of a new kitchen and bathroom.
- Focus: Smart layout changes and timeless design choices
- Result: Functional, stylish, and practical spaces
Client feedback: “I’m looking to purchase a new place — I will definitely contact you again.”
case study 02
Ascot renovation (in progress)
A full renovation and design of a countryside cottage with the addition of extra rooms and a summer house.
- Scope: New layout design, complete interior design, furniture and décor procurement
- Focus: Optimised flow and use of space, realistic budgeting exercise
- Design style: A refined blend of traditional cottage character with contemporary, thoughtfully curated elements.
interior design pricing structure
We offer a flexible pricing model to suit different project needs:
- Fixed fees for well-defined projects
- Hourly rates for small or advisory-based work
- Percentage-based fees for larger renovations. Usually, between 6% and 10% of the total project cost
Our starting price for a room layout design is £500, but every project is different and comes with a bespoke fee proposal.
what influences the cost of interior design?
Several factors affect the final cost:
- Project scope and complexity
- Materials and finishes chosen
- Property size and layout
- Project timeline and deadlines
- Level of customisation required
Every proposal we provide is customised to reflect the unique requirements of your home.
why hiring an interior designer saves money
Many homeowners think they don’t need an interior designer. In reality, working with a designer saves time, reduces stress, and prevents costly mistakes. With careful planning, you can make every pound count and still achieve your dream home. For a clearer picture of the benefits, check out our 7 compelling reasons to hire an interior designer
our background and design philosophy
Having studied in Italy, we bring a mindset rooted in creativity, lateral thinking, and attention to detail. Each project combines elegance with practicality, tailored to your lifestyle.
what makes our process different
We design through storytelling. Every home has its own narrative — different people, habits, and aspirations. Our designs reflect this story, creating spaces that are functional, unique, and meaningful.
power hour: a focused session with an actionable plan
Not every project requires a full interior design service. Our Interior Power Hour provides clarity in one hour:
- Pre-project review: Review of project details beforehand.
- One-hour call: Addressing key questions and challenges.
- 24-hour action plan: Clear step-by-step plan to move forward confidently.
last but not least: essential budgeting tip for your interior design project
The key to keeping costs under control is understanding your priorities and being clear about your budget from the start. Discuss your expectations with your designer, plan carefully, and remain flexible, as unexpected changes can occur. With a problem-solving mindset, you can achieve your dream home efficiently without overspending.
Transforming a home is more than decoration; it’s about creating spaces that reflect your story. Whether it’s a single room or a full renovation, we design interiors that are timeless, functional, and tailored to you.
Want to talk it through?
Click here → to book a 15-minute coffee chat with Francesca.
mood board @interior105_design
case study 01 @interior105_design
case study 02 @interior105_design