Business Details
31 Years
experience
Expert Residential Architects in London
Thomas de Cruz Architects & Designers are a distinguished London-based practice specialising in contemporary residential architecture and interior design. With over 25 years of experience, our approach prioritises the seamless integration of space and light, creating environments that harmonise with their surroundings. We deliver full architectural services from concept to completion, focusing on new builds, extensions, and remodelling projects across the UK and internationally. Our design philosophy centres on timeless aesthetics, clean lines, and the blurring of boundaries between indoor and outdoor spaces. We excel in transforming challenging urban sites and historic properties, combining modern innovation with conservation where necessary. Our team's global perspective, informed by projects in 64 countries, ensures culturally responsive solutions tailored to each client's lifestyle.Recognised for excellence in contemporary design, we hold memberships with prestigious institutions including the Royal Institute of British Architects and the Royal Geographical Society. Our commitment to quality is evidenced by numerous client testimonials praising our meticulous attention to detail, innovative problem-solving, and ability to exceed expectations. We maintain rigorous quality standards through collaboration with trusted contractors and consultants, ensuring every project achieves both aesthetic and functional excellence. Our practice continues to push architectural boundaries while maintaining a steadfast dedication to client satisfaction and sustainable design principles.
Services
New Build Houses
Extensions
Remodelling
Conservation Projects
International Architecture
Pool Design
Loft Conversions
Basement Developments
Contemporary Interiors
Planning Consultancy
Details
- Year established: 1995
Highlights and features
- We offer over 25 years of experience in contemporary residential design
- Our expertise lies in creating spaces that maximise natural light and connectivity
- We specialise in integrating modern extensions with historic buildings
- Our international portfolio spans 14 countries across diverse climates
- We provide full-service architectural solutions from concept to completion
What people say
Stunning contemporary designs
Excellent project management
Attention to detail
International expertise
Innovative solutions
Services
New Build Houses
Creating bespoke contemporary homes tailored to site-specific conditions and client lifestyles. Our designs prioritise natural light integration, seamless indoor-outdoor connectivity, and energy-efficient construction. Each project features flowing living spaces, double-height volumes, and innovative spatial solutions that enhance daily living experiences while maintaining architectural integrity across diverse global locations.
Extensions
Designing modern extensions that harmonise with existing structures while maximising spatial efficiency. Specialising in challenging urban sites and conservation areas, we create open-plan living spaces that transform dark interiors into light-filled environments. Our approach combines structural innovation with contextual sensitivity to deliver functional extensions that enhance property value and livability.
Conservation Projects
Specialist remodelling of listed buildings and historic properties while preserving architectural heritage. We implement contemporary interventions that respect original features, employing modern materials and techniques to upgrade functionality without compromising historical integrity. Our expertise ensures successful planning approvals for sensitive modifications to period properties.
International Architecture
Delivering bespoke architectural solutions across diverse international contexts. Our experience spans tropical climates, Mediterranean regions, and urban metropolises, adapting design principles to local conditions while maintaining contemporary aesthetics. We manage cross-border projects with coordinated local partnerships, ensuring cultural appropriateness and regulatory compliance in every location.
Contemporary Interiors
Creating functional yet aesthetically striking interior spaces that optimise natural light and spatial flow. Our designs incorporate bespoke joinery, smart home technology, and premium finishes to craft environments that respond to individual client needs. Each interior scheme maintains architectural coherence with exterior spaces while prioritising comfort and practicality for modern living.
People
Peter Thomas de Cruz
Design Director
With over 25 years' experience, Peter established the practice in 1995 after working with leading architectural firms. A RIBA Fellow, he specialises in contemporary residential design, drawing inspiration from global influences and architectural pioneers. His expertise lies in transforming challenging sites into exceptional living spaces.
Jenny Thomas de Cruz
Director
Managing the practice's operations, Jenny brings strategic oversight to project delivery and client relations. With a background in education and business management, she ensures efficient practice administration while maintaining quality control across all projects.
Jonathan Freeman
Senior Architect
A qualified RIBA architect with specialist expertise in residential projects, Jonathan contributes technical precision and creative problem-solving to complex developments. His experience spans education, healthcare, and high-end residential sectors, ensuring comprehensive design solutions from concept to completion.
Delia Coman
Architect
Graduated from Kingston University, Delia specialises in high-end residential projects with a focus on spatial innovation. Her international perspective combines Romanian heritage with Spanish and UK architectural influences, delivering context-sensitive contemporary designs that meet exacting client requirements.
Dominika Zielinska
Architect
With a masters from the University of East London, Dominika focuses on bespoke residential projects that prioritise functional elegance. Her design approach balances creative vision with practical considerations, ensuring each project achieves both aesthetic excellence and optimal usability for contemporary living.
Questions
What architectural services do you specialise in?
We specialise in contemporary residential architecture including new builds, extensions, and remodelling projects across the UK and internationally.
How do you approach listed building projects?
We combine conservation of original features with modern extensions, ensuring planning compliance while enhancing livability through contemporary interventions.
What is your design philosophy?
Our approach focuses on maximising natural light, creating seamless indoor-outdoor connections, and designing spaces that prioritise both aesthetics and functional efficiency.
Do you work internationally?
Yes, we've completed projects in 14 countries including Spain, France, USA, Australia, and Caribbean nations, adapting designs to local contexts.
How are fees calculated?
Fees are typically calculated as a percentage of total project cost, varying by design complexity and service level from 8.4% to 16.8%.
What planning challenges do you handle?
We specialise in securing planning permissions for challenging sites including conservation areas, listed buildings, and green belt locations.
