Luxury Home Extensions, Conversions & Renovations in London

Elevate Your Living Space Without Changing Your Address

At Marku & Co. Developments, we specialise in transforming London's most prestigious residences into bespoke sanctuaries that reflect your lifestyle and aspirations. Whether restoring a period townhouse in Kensington, expanding a family home in Hampstead, or converting a loft in Notting Hill, our comprehensive, design-led services are delivered with precision, discretion and exceptional craftsmanship.

Our Bespoke Services

House Extensions

Seamlessly expand your home to match your evolving lifestyle:

— Single-Storey Rear Extensions: Light-filled kitchens, dining areas or lounges with steel-framed and frameless glazing
— Wraparound & Double-Storey Extensions: Add bedrooms, ensuites or flexible living zones with architectural cohesion
— Planning & Permissions: Full support navigating planning, building control, listed status or conservation zones

Loft, Basement & Garage Conversions

Unlock the potential of underused space with thoughtful, high-spec conversions:

— Lofts: Master suites, studios or soundproofed home cinemas
— Basements: Home gyms, wine cellars or wellness retreats
— Garages: Transform into functional, design-led offices or guest suites

Full Home Renovations

Reimagine your property from the ground up with our end-to-end renovation expertise:

— Structural Reconfigurations: Open-plan layouts, load-bearing wall removals, vertical flow enhancements
— MEP Upgrades: Rewiring, underfloor heating, MVHR systems and full smart home integration
— Interior Fit-Outs: Custom kitchens, bathrooms, joinery and premium finishes in natural stone, lime-wash, timber & micro-cement

Our Process

1. Consultation & Feasibility

We assess your property, discuss your vision and provide planning and structural guidance.

2. Design Development

Working with your architect — or ours — we produce detailed layouts, finish schedules and technical specifications.

3. Planning & Approvals

We manage permissions, listed building consents and building regulations, ensuring full compliance.

4. Construction & Delivery

Your project is delivered by an experienced team with regular progress updates and a clean, respectful site.

5. Completion & Aftercare

We deliver a snag-free, fully tested home — with ongoing post-handover support available.

Why Choose Marku & Co.?

20+ Years' Experience in London's most prestigious postcodes

Listed Building & Conservation Area Expertise

Single Point of Contact: One team managing your entire project

Craftsmanship Without Compromise: No shortcuts, just precision

Transparent Timelines & Costings from the outset

Areas We Serve

Chelsea • Kensington • Fulham • Notting Hill • Marylebone • Hampstead • Belgravia • St. John's Wood • Wimbledon

Recent Renovation Project

Setting ourselves apart through unwavering precision and timeless quality.
CONTACT US

Let's Redefine Your Space

Whether you're planning a whole-home renovation, seamless extension, or high-spec conversion — your transformation starts here.
E. office@markudevelopments.co.uk
Text. +44 (0)74 8269 6010
Based in London. Serving All Surrounding Boroughs