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Innovative Architectural & Interior Design Solutions in London
D4B Studio is an innovative architectural practice dedicated to transforming conceptual ideas into detailed proposals. Our team combines expertise from diverse disciplines through strategic partnerships, enabling tailored solutions for corporate and private clients. We employ cutting-edge technology to streamline the design process, reduce iterations, and deliver cost-effective results. With a multicultural team, we address varied client needs while prioritising sustainability and design optimisation. Our services range from pre-conceptual guidance to comprehensive design solutions and project management. We serve large corporations, individuals, and property professionals, including estate agents and investors.

Founded by experienced architects, our practice spans commercial and private sectors, from multimillion-pound mixed-use projects to bespoke residential conversions. We are committed to creating inspiring spaces that enhance living and working environments through sustainable innovation. Our expertise extends to retail, healthcare, hospitality, and residential architecture, supported by advanced BIM coordination and contract administration. Clients benefit from our dedication to quality, efficiency, and environmentally conscious design principles.
Services
Office Design Retail Design Residential Architecture Hospitality Design Healthcare Architecture Real Estate Services Bespoke Homes Interior Design Exhibition Design Property Consultancy
Highlights and features
  • We use the latest technologies to accelerate design deliverables
  • Our multicultural team addresses diverse client needs
  • We specialise in sustainable and innovative architectural solutions
  • Our team includes RIBA chartered architects with global experience
  • We provide end-to-end project management from concept to completion
Associations and certifications
  • RIBA
  • ARB
  • CII
Services
Office Design
We create functional and inspiring office spaces tailored to modern business needs. Our designs optimise workflow efficiency while incorporating sustainable materials and technology integration. Clients benefit from our expertise in corporate environments across London's commercial sectors.
Residential Architecture
Our residential services focus on creating bespoke living spaces that combine aesthetics with practicality. From property conversions to new builds, we specialise in sustainable solutions that enhance property value and meet individual client requirements across London.
Retail Design
We design retail environments that balance customer experience with commercial effectiveness. Our approach integrates brand identity with spatial functionality, creating engaging spaces that drive footfall and sales performance for businesses in London.
Bespoke Homes
Our tailored home design service addresses unique client needs through innovative architectural solutions. We specialise in creating distinctive residential properties and conversions that maximise space utilisation while maintaining environmental sustainability standards.
Interior Design
We deliver interior design solutions that harmonise aesthetics with practical functionality. Our team creates cohesive environments across residential and commercial sectors, incorporating the latest design trends and sustainable material choices.
People
Ewa Moskwiak
Managing Director
RIBA chartered architect with international experience in commercial and private sector projects. Specialises in mixed-use developments and bespoke house conversions. Holds Master of Architecture from UK studies.
Dr Harald Braun
Operations Director
Healthcare consultant with NHS commissioning expertise. Founded multiple startups across insurance and property sectors. Combines architectural knowledge with healthcare pathway design and financial management experience.
Joanna Lindley
Chartered Architect
Member of The Green Register with sustainability focus. Teaches architecture and provides homebuilding consultations. Experienced in London and Zurich practices, including disaster reconstruction projects in Peru.
Kenechi Udogu
Chartered Architect
Project architect specialising in retail and public projects. Expert in contract administration and affordable housing solutions. Graduated from Cambridge University with focus on spatial design coordination.
Pi-Lin Quek
Registered Architect
Experienced in UK and Malaysian projects across education, transport, and residential sectors. Specialises in BIM coordination and sustainable design solutions from feasibility studies to construction phases.
Questions
What architectural services do you offer?
We provide office, retail, residential, healthcare, and hospitality design services, along with bespoke home solutions and property consultancy.
Do you work with both corporate and private clients?
Yes, we serve large corporations, individuals, and property professionals including estate agents and investors.
How do you incorporate sustainability into your designs?
We prioritise sustainable materials, energy efficiency, and design optimisation to minimise environmental impact across all projects.
What areas do you cover?
We primarily operate in London, with expertise in Notting Hill and surrounding regions.
Can you manage projects from concept to completion?
Yes, we offer end-to-end project management including feasibility studies, design development, and construction oversight.
What qualifications do your architects hold?
Our team includes RIBA chartered architects, ARB registered professionals, and specialists with international experience.