London design and build
Architectural Homes, Renovated With Quiet Confidence
Architecture, planning, construction and refined interiors delivered by one experienced London team.
Luxury residential delivery
Bespoke interiors
Exceptional Interiors, Built Around Your Life
Considered layouts, bespoke finishes and precise installation for homes designed to be lived in beautifully.
Kitchens, bathrooms and fit-out
Architectural extensions
Extensions Designed With Purpose
Intelligent architectural design and skilled construction that add light, space and long-term value.
Rear, side-return and structural works
One accountable process
From First Sketch to Final Handover
A fully coordinated design-and-build process with one accountable team at every stage.
Planning, build and completion
29 Years of Excellence
500+ Projects Delivered
ISO 9001:2015 Certified
37+ Specialist Services
29 Years of Excellence500+ Projects37+ Specialist ServicesISO 9001:2015Federation of Master BuildersSafeContractorTrustMark
Integrated design and build
One Experienced Team, From First Sketch to Final Finish
Lion Group HDB brings architecture, planning, structural engineering, construction, interior design, compliance and handover together in one managed route.
The result is a clearer process for London homeowners: fewer disconnected decisions, better coordination between trades and a team that stays accountable from the first conversation to completion.
Founded in 1997
ISO 9001:2015 quality management
Discover Our Approach
Design, planning and delivery coordinated before construction begins.
Our Expertise
Specialist Services, Structured Around Your Project
From architecture, planning and structural design to construction, interiors and sustainable upgrades, our specialists coordinate every stage through one accountable team.
Explore All 37+ ServicesMore Specialist Services
From Brief to Permission
Architecture, Design & Planning
Early design thinking, permission strategy and technical coordination so the project starts with a clear route.
- Architectural Design
- Planning Permission
- Building Regulations
- Technical Drawings
Space and Structure
Extensions & Structural Works
Rear, side-return and structural alterations planned around light, space, compliance and long-term value.
- House Extensions
- Structural Openings
- Glazing Coordination
- Building Regulations
Whole-Home Renewal
Renovations & Refurbishments
Whole-home and targeted refurbishment works coordinated across trades, services, finishes and handover.
- Full Renovations
- Strip-Out and Preparation
- Services Upgrades
- Decoration and Finishes
Underused Space
Loft & Basement Conversions
Conversion planning for underused space, with attention to structure, access, waterproofing, light and comfort.
- Loft Conversions
- Basement Conversions
- Stairs and Access
- Insulation and Waterproofing
Finish and Fit-Out
Kitchens, Bathrooms & Interiors
Refined interior spaces shaped around daily use, durable materials, lighting and precise installation.
- Kitchen Design
- Bathroom Installation
- Interior Fit-Out
- Bespoke Joinery
Delivery Control
Construction & Project Management
Programme-led delivery with one accountable team managing trades, quality checks, communication and handover.
- New-Build Construction
- Project Management
- Site Coordination
- Completion Support
Integrated Trades
Roofing, Electrical & Plumbing
Specialist trades integrated into the wider project programme so services work with the architecture.
- Roofing and Waterproofing
- Electrical Services
- Plumbing and Heating
- Testing Coordination
Responsible Design
Sustainable Building Solutions
Responsible materials, energy performance and retrofit considerations integrated into the project from the earliest design stage.
- Responsible Materials
- Energy Efficiency
- Waste Reduction
- EPC Improvement Planning
Early design thinking, permission strategy and technical coordination so the project starts with a clear route.
- Architectural Design
- Planning Permission
- Building Regulations
Rear, side-return and structural alterations planned around light, space, compliance and long-term value.
- House Extensions
- Structural Openings
- Glazing Coordination
Whole-home and targeted refurbishment works coordinated across trades, services, finishes and handover.
- Full Renovations
- Strip-Out and Preparation
- Services Upgrades
Conversion planning for underused space, with attention to structure, access, waterproofing, light and comfort.
- Loft Conversions
- Basement Conversions
- Stairs and Access
Refined interior spaces shaped around daily use, durable materials, lighting and precise installation.
- Kitchen Design
- Bathroom Installation
- Interior Fit-Out
Programme-led delivery with one accountable team managing trades, quality checks, communication and handover.
- New-Build Construction
- Project Management
- Site Coordination
Specialist trades integrated into the wider project programme so services work with the architecture.
- Roofing and Waterproofing
- Electrical Services
- Plumbing and Heating
Responsible materials, energy performance and retrofit considerations integrated into the project from the earliest design stage.
- Responsible Materials
- Energy Efficiency
- Waste Reduction
Featured projects
Project Stories, Told Through Space and Detail
Explore completed homes shaped through thoughtful planning, precise construction and carefully selected finishes.
View All Projects
Whole-home renovation · London
West London Family Home
Editable placeholder for a verified full-property renovation case study.
View Project →
House extension · London
Contemporary Rear Extension
Prepared for client photography, brief, scope and delivery notes.
View Project →
Loft conversion · London
Refined Loft Suite
A future loft conversion case study area with verified project information.
View Project →
Kitchen and interiors · London
Kitchen and Dining Renewal
Placeholder for a kitchen-led refurbishment with design and installation scope.
View Project →
Interior and extension finish · London
Garden-Facing Living Space
Prepared for verified photography of a bright rear living space and final interior finish.
View Project →
Material story
Details That Define the Finished Home
From joinery and natural stone to lighting and final finishes, every detail is coordinated to create a consistent, refined result.
View Detail Gallery Craftsmanship, joinery, lighting and material coordination.
37+specialist services coordinated
Before and after
Transformation made easy to understand.
A large comparison view helps clients understand the scale of a renewal before the case study photography is finalised.
View Project
Six-stage process
A structured route from first call to handover.
Six clear stages keep the brief, permissions, cost plan, programme, construction and handover connected.
See the Process- 01
Initial Consultation
We discuss the property, brief, priorities and the support needed before design or costing begins.
- 02
Survey and Project Brief
Existing conditions, measurements and constraints are reviewed so the project has a practical foundation.
- 03
Design and Permissions
Architecture, planning, structural input and building regulation considerations are coordinated.
- 04
Cost Plan and Programme
Scope, specification, timeline and commercial route are clarified before work starts.
- 05
Construction and Coordination
Trades, materials, quality checks and communication are managed through one accountable team.
- 06
Completion and Handover
Final details, documentation and handover guidance are brought together with care.
Why choose Lion Group HDB
Recognised Standards. Disciplined Delivery. One Accountable Team.
High-value residential work demands clear communication, disciplined coordination and dependable compliance. Lion Group HDB brings design, engineering, construction and specialist trades together through one accountable team.
One Accountable Team
Design, technical coordination and construction managed through one point of responsibility.
Nearly Three Decades of Experience
Practical knowledge developed across complex residential projects.
ISO-Led Quality Management
Documented systems supporting consistency, control and accountability.
Planning and Compliance Support
Guidance across permissions, regulations and technical requirements.
Transparent Project Coordination
Clear communication, defined stages and practical progress updates.
Skilled Specialist Delivery
Experienced trades and consultants coordinated around the project brief.
Residential design-and-build experience
500+ ProjectsDelivered across a wide range of residential briefs
ISO 9001:2015
Quality management systems supporting consistent project delivery.
Federation of Master Builders
Recognised membership supporting professional building standards.
SafeContractor
Accreditation focused on health, safety and responsible working practices.
TrustMark
Government-endorsed quality scheme for registered trades and services.
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Verified portrait required
Leadership
A Message From Our Founder
“Successful projects are built on trust before construction begins. Our responsibility is to guide clients clearly, coordinate each stage carefully and deliver a finished home that reflects the standard promised at the outset.”
Bilal Mirza
Founder and CEO, Lion Group HDB
Learn more about Lion Group HDBCompany heritage
Crafting Excellence Since 1997
1997An established London company with a service history built around craftsmanship, accountable coordination and recognised quality systems.
1997 Founded on integrity, craftsmanship and attention to detail.
Nearly three decades Experience across London residential design and build.
500+ projects Completed across the company's service history.
Today A complete design-and-build company with ISO 9001:2015, FMB, SafeContractor and TrustMark credentials.
Sustainability
Responsible Decisions, Considered Early
Sustainability is approached through materials, efficiency, waste reduction and compliance, with careful wording where outcomes depend on property condition, specification and project scope.
Explore Sustainability
Early Specification
Better decisions are made before finishes, services and compliance routes are locked in.
Responsible Materials
FSC-certified timber and lower-impact material choices considered where appropriate.
Energy Efficiency
EPC improvement considerations and high-performance glazing discussed during specification.
Waste Reduction
Responsible disposal and sequencing planned to reduce unnecessary site waste.
Retrofit & Compliance
PAS 2035-informed retrofit thinking and Building Regulations compliance where relevant.
Client Feedback
Client Experiences, In Their Own Words
Thoughtful planning, clear communication and careful delivery are reflected in the experiences shared by our clients.
Residential projects across London and surrounding areas.
Client Experience
Client stories are published only after final approval, so every word shown here can be trusted.
Knowledge and insights
Useful Guidance Before You Commit to Work
Plain-English guidance for planning, budgeting, regulation and specification decisions before construction begins.
Planning
Planning Permission for London Home Projects
What to clarify before changing, extending or reworking a London property.
Read Article →
Renovation Guidance
What Shapes a Renovation Budget?
How structure, access, specification and finish level affect early budget planning.
Read Article →
Extensions
Preparing a Better House Extension Brief
The decisions that make extension design and costing more controlled.
Read Article →
Loft Conversions
Loft Conversion Considerations Before You Begin
Head height, access, fire safety and services should be assessed early.
Read Article →Standards & Memberships
Independent Standards Supporting Quality and Client Care
Lion Group HDB works with recognised quality, contractor and consumer standards. Logos can be added when approved brand assets are supplied.
ISO 9001:2015
Quality management standard supporting consistent process and continual improvement.
Federation of Master Builders
Industry membership supporting professional standards in building work.
SafeContractor
Contractor accreditation focused on health, safety and responsible working practices.
TrustMark
Government-endorsed quality scheme for trades working in and around the home.
Since 1997 Founded on integrity and craftsmanship
29+ Years Residential design and build experience
500+ Projects Across company service history
37+ Services Coordinated specialist disciplines
Smart project estimator
A calm starting point for budget conversations.
The full estimator gathers early project information and clearly states that any output is indicative only, not a formal quotation.
Clarify scope earlyPrepare better budget conversationsRoute enquiries to the right specialist
Indicative guidance only. A formal quotation requires survey, specification and scope review.
Start Your Project EstimateContact preview
Tell us what you are planning.
Share the essentials and the team will come back to you with the right next step.
Phone / WhatsApp+44 7498 211555 Emailinfo@lionhdb.co.ukOffice address23 Silchester Road, London, United Kingdom
Opening hoursMonday to Saturday, 08:00-18:00
Response timeWe aim to respond within 24 hours during working days.
LondonDesign, build, renovation and interiors across premium residential projects.
Let's Create a Home Worth Coming Back To
Speak with our London design-and-build team about your renovation, extension or complete home transformation.
Free initial consultation
Clear project guidance
Prompt next-step guidance