Interior Renovations in London
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At Bigness Group, we bring spaces back to life through tailored interior renovation services across London.
Whether it’s a single-room transformation or a full property refurbishment, we focus on creating interiors that are functional, elegant, and built to last.
Our multi-trade team combines design precision, quality materials, and technical craftsmanship — ensuring every finish, fitting, and fixture meets the highest professional standards.
We understand that renovation is not just construction — it’s about reimagining the way people live and work. That’s why our process blends creativity with structural integrity, giving clients spaces that feel brand-new yet timeless.
Our Interior Renovation Services in London
Bigness Group covers the full spectrum of interior renovation and fit-out works for residential and commercial properties.
Our expertise ensures each project is managed end-to-end — from design concepts and structural works to final decoration and aftercare.
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Full Property Refurbishment – Complete transformations that enhance layout, lighting, and value while respecting the original structure.
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Kitchen & Bathroom Upgrades – Bespoke designs, premium fixtures, and precision installations that combine functionality with modern style.
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Open-Plan Conversions – Structural alterations and RSJ installations to create light, open, and connected living spaces.
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Flooring, Ceilings & Joinery – High-quality carpentry, tiling, and decorative finishes for lasting beauty and durability.
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Electrical, Lighting & Smart Controls – Modern rewiring, LED systems, and home automation integrated for comfort and efficiency.
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Painting, Decorating & Finishing Touches – Attention to every detail for a polished, professional aesthetic.
Each renovation is delivered under strict project management — ensuring cost control, timeline discipline, and exceptional workmanship.
Our Process
Renovations can be complex — that’s why our process is transparent and methodical from start to finish.
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Consultation & Design Brief – We meet with you to understand your vision, style preferences, and functional needs.
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Site Survey & Quotation – Our team inspects the property, identifies technical requirements, and prepares a detailed, itemised quote.
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Planning & Preparation – We coordinate materials, trades, and logistics to minimise disruption and maximise efficiency.
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Renovation & Installation – Skilled trades deliver the works under close supervision, ensuring quality at every stage.
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Quality Assurance & Handover – After completion, we perform full inspections, snagging, and a deep clean before final delivery.
Our promise: every project is treated like it’s our own home — with pride, care, and respect for your time and property.
Why Choose Bigness Group
We’ve built our reputation by delivering high-quality renovations with integrity and precision.
As a multi-disciplinary contractor, Bigness Group combines construction expertise, architectural insight, and design sensitivity to deliver results that exceed expectations.
Our clients choose us for our professionalism, our transparency, and our ability to turn even the most challenging renovation into a seamless experience.
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Decades of combined experience across all building trades
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Transparent cost planning with no hidden extras
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Sustainable materials and energy-efficient installations
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Certified professionals following strict Health & Safety standards
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Dedicated project manager for every renovation
Our work stands for craftsmanship, accountability, and the belief that every interior deserves a second life done right.
Frequently Asked Questions
Q: How long does a full interior renovation take?
Most projects range from 4 to 12 weeks depending on scale, design complexity, and structural changes. We provide a tailored programme before work begins.
Q: Can you help with interior design and layout planning?
Yes — our design partners can help visualise your new space through mood boards, 3D visuals, and detailed layouts before construction starts.
Q: Do you handle all trades in-house?
Yes, Bigness Group manages all aspects — electrical, plumbing, carpentry, flooring, and finishing — through our trusted team and certified subcontractors.
Q: Can you renovate listed or heritage properties?
Absolutely. Our team is experienced in working under conservation guidelines while preserving architectural character.
Q: Do you work with commercial interiors as well?
Yes. We provide office, retail, and hospitality interior refurbishments that align aesthetics with brand and performance.
Our Latest Interior Renovation Projects in London
Explore how we’ve transformed homes and workplaces across London.
Each renovation reflects our core principle — blending craftsmanship with creativity to produce interiors that elevate everyday life.
From minimalist lofts to heritage restorations, our portfolio demonstrates the care, skill, and technical precision that define the Bigness standard.
Interior Renovations Services Across London
Bigness Group delivers specialist heritage and listed-building restoration services across all London boroughs, including Westminster, Kensington & Chelsea, Camden, Islington, Richmond, Haringey, Greenwich, Hammersmith & Fulham, and beyond. Our local teams work closely with conservation officers, architects, and planning authorities to ensure every project meets historical, structural, and environmental standards. Whether you’re restoring a Victorian townhouse in Richmond, a Georgian terrace in Islington, or a commercial heritage site in Westminster, Bigness provides the craftsmanship and compliance your property deserves.
Barking and Dagenham / Barnet / Bexley / Brent / Bromley / Camden / Croydon / Ealing / Enfield / Greenwich / Hackney / Hammersmith and Fulham / Haringey / Harrow / Havering / Hillingdon / Hounslow / Islington / Kensington and Chelsea / Kingston upon Thames / Lambeth / Lewisham / Merton / Newham / Redbridge / Richmond upon Thames / Southwark / Sutton / Tower Hamlets / Waltham Forest / Wandsworth / Westminster