Don't Move Out, Move Up! Chelsea Loft Specialists

Is your house feeling a bit tight? Let our Chelsea team perform some magic. We turn cramped attics into spacious sanctuaries.

Get Your Free Chelsea Quote
10-Year Warranty On all Structure
FMB Member Vetted Master Builders
Fully Insured £5m Public Liability
TrustMark Gov. Endorsed Quality

Why Choose Loft Conversion in Chelsea?

Transform your Chelsea property without moving. Add space and value with our expert loft conversion service.

Increase Chelsea Property Value

Add up to 20% to your Chelsea property value with a professional loft conversion.

Stay in Chelsea

No need to leave Chelsea. Get the space you need in your current home.

Quick Chelsea Installation

Most Chelsea loft conversions completed in 4-6 weeks with minimal disruption.

Extra Chelsea Living Space

Create bedrooms, offices, or playrooms perfect for Chelsea family living.

Expert Chelsea Loft Conversion Specialists

Transform your Chelsea property's unused loft space into beautiful, functional living areas with our professional loft conversion services. Whether you need an extra bedroom, home office, or playroom in Chelsea, we create bespoke solutions tailored to your lifestyle.

Our experienced Chelsea team handles every aspect of your loft conversion project. From initial design and planning permission through to final decoration, we ensure your Chelsea conversion maximizes space, natural light, and property value.

  • Dormer loft conversions in Chelsea
  • Hip-to-gable conversions for Chelsea homes
  • Mansard loft conversions in Chelsea
  • Velux window installations across Chelsea
  • En-suite bathrooms for Chelsea lofts
  • Chelsea planning permission support
Chelsea loft conversion specialist at work

Chelsea Loft Specialists

CITB Certified • Chelsea Planning • Building Regulations

Types of Loft Conversions in Chelsea

Choose the perfect conversion type for your Chelsea property to maximize space and value

Velux Loft Conversion in Chelsea

Velux Loft Conversion Chelsea

The most cost-effective option for Chelsea properties using roof windows for natural light. Perfect for Chelsea homes with adequate headroom.

  • Most affordable in Chelsea
  • Minimal structural work
  • No Chelsea planning permission usually
  • Natural light throughout
Dormer Loft Conversion in Chelsea

Dormer Loft Conversion Chelsea

Add valuable floor space and headroom to your Chelsea property with single or multiple dormers. Popular choice in Chelsea for space optimization.

  • Maximum Chelsea space gain
  • Improved headroom
  • Additional windows
  • Cost-effective for Chelsea
Hip-to-Gable Conversion in Chelsea

Hip-to-Gable Conversion Chelsea

Transform sloping hip roofs into vertical gable walls in your Chelsea home, significantly increasing usable floor space. Ideal for Chelsea semi-detached properties.

  • Substantial Chelsea space increase
  • Improved room proportions
  • Better natural light
  • Enhanced Chelsea property value
Mansard Loft Conversion in Chelsea

Mansard Loft Conversion Chelsea

The premium option for Chelsea properties creating maximum space with near-vertical walls. Perfect for period properties in Chelsea.

  • Maximum Chelsea floor space
  • Multiple rooms possible
  • Period Chelsea property suitable
  • Highest value addition

Chelsea Loft Conversion Requirements

Your Chelsea property needs minimum 2.3m headroom at the highest point and sufficient floor area for conversion. Our Chelsea specialists provide free assessments to determine if your loft is suitable and advise on the best conversion type for your Chelsea property and budget. Most Chelsea conversions fall under permitted development rights, but we handle all planning and building regulations applications where required.

Chelsea Planning & Regulations Guide

Permitted Development in Chelsea

Most terraced and semi-detached homes in Chelsea have a 40-50 cubic meter allowance for roof extensions without full planning permission. We handle all Lawful Development Certificate applications for you.

Chelsea Building Control

Every conversion we build is inspected by approved inspectors to ensure compliance with Part B (Fire Safety) and Part L (Insulation) of the building regulations specific to Chelsea housing stock.

Party Wall Agreements

Living in a terraced or semi-detached house in Chelsea? We manage the Party Wall Notice process with your neighbors to ensure works can start on time.

Complete Chelsea Loft Conversion Services

Free Chelsea Loft Assessment

Comprehensive evaluation of your Chelsea loft space, structural assessment, and advice on the best conversion type for your property.

Chelsea Design & Planning

Architectural drawings, 3D visualizations, and planning permission applications for Chelsea properties. We handle all regulatory approvals.

Chelsea Structural Work

Steel beam installation, floor strengthening, and staircase construction by qualified Chelsea engineers.

Chelsea Windows & Dormers

Velux roof windows, dormer construction, and window installations to maximize natural light in Chelsea homes.

Chelsea En-Suite Bathrooms

Complete bathroom installations including plumbing, electrical work, and luxury fixtures in your Chelsea loft.

Chelsea Interior Finishing

Plastering, decorating, flooring, and interior design services to create beautiful Chelsea living spaces.

Our Chelsea Loft Conversion Process

Chelsea Planning & Design Phase

  • Free Chelsea Survey: Comprehensive assessment of your loft space
  • Design Development: Architectural drawings for Chelsea properties
  • Chelsea Planning Applications: Local authority submissions where required
  • Structural Calculations: Engineering assessments for Chelsea building control
  • Fixed Price Quote: Detailed Chelsea pricing with full breakdown

Chelsea Construction Phase

  • Project Management: Dedicated Chelsea project manager
  • Structural Work: Steel beams and strengthening in Chelsea
  • Roofing & Windows: Dormer construction for Chelsea homes
  • Services Installation: Chelsea certified electrical and plumbing
  • Interior Finishing: Quality finishing to Chelsea standards

Free Chelsea Survey

Professional space assessment

Chelsea Design & Planning

Architectural drawings and approvals

Expert Chelsea Construction

Professional loft specialists

Loft Conversions Across Chelsea

Chelsea City Centre

Professional loft conversions throughout Chelsea city centre, including period properties, modern homes, and conservation areas requiring specialist Chelsea planning expertise.

Chelsea Suburbs

Expert loft conversion services across all Chelsea suburban areas. Specializing in semi-detached, detached, and terraced properties throughout Chelsea.

Chelsea Period Properties

Specialist conversions for Chelsea's Victorian, Edwardian, and period properties. Sympathetic designs maintaining character while maximizing space.

Chelsea Conservation Areas

Expert handling of Chelsea conservation area requirements. We navigate planning restrictions and create beautiful conversions that comply with local regulations.

Chelsea Loft Conversion Statistics

500+

Chelsea Loft Conversions Completed

4.9/5

Average Chelsea Customer Rating

15+

Years Serving Chelsea

100%

Chelsea Building Control Approved

Why Choose Building Group for Chelsea Loft Conversions?

Local Chelsea Expertise

With over 15 years of experience in Chelsea, we understand local planning requirements, building regulations, and architectural styles. Our Chelsea team delivers exceptional loft conversions that enhance your property value.

Chelsea Quality Guarantee

  • Chelsea Planning Experts: We handle all local authority requirements
  • Local Chelsea Team: All work by trusted local professionals
  • 10-Year Guarantee: Full warranty on all Chelsea conversions
  • Fixed Chelsea Pricing: No hidden costs or surprises
  • Insurance: Fully insured for Chelsea projects

Chelsea Service Areas

  • Chelsea City Centre
  • North Chelsea
  • South Chelsea
  • East Chelsea
  • West Chelsea

Recent Chelsea Loft Conversion Projects

Hip to Gable Loft Conversion in Chelsea

Victorian Terrace - Chelsea

Hip-to-gable conversion creating master bedroom with ensuite in a Victorian Chelsea terrace. Added 30sqm of living space.

Project Value: £48,000

Dormer Loft Conversion in Chelsea

Modern Semi - Chelsea

Dormer loft conversion in modern Chelsea semi-detached. Created two bedrooms and bathroom for growing family.

Project Value: £42,000

Mansard Loft Conversion in Chelsea

Period Property - Chelsea

Mansard conversion in Chelsea conservation area. Luxury master suite with dressing room and ensuite.

Project Value: £65,000

What Chelsea Homeowners Say

★★★★★

"Building Group were the only company to spot a potential issue with our chimney in Chelsea and solved it before starting. True experts."

- Daniel Evans, Chelsea

★★★★★

"Cannot recommend them enough for loft conversions in Chelsea. They handled all the planning permission and the build was smooth."

- Richard Harris, Chelsea

★★★★★

"The neighbors are jealous, the kids are happy, and the house value went up. The trifecta! Best investment in Chelsea."

- Joseph Clark, Chelsea

Chelsea Loft Conversion Pricing Guide

Chelsea Loft Conversion Costs

Loft conversion costs in Chelsea vary based on type, size, and specifications. Typical Chelsea prices: Velux conversions £20,000-£30,000, Dormer conversions £35,000-£45,000, Hip-to-gable £40,000-£55,000, Mansard conversions £45,000-£65,000. All Chelsea quotes include structural work, insulation, electrics, plastering, and building control fees. Contact us for a free Chelsea survey and detailed quote.

Estimated Investment for Chelsea Lofts

A transparent guide to typical conversion costs in the Chelsea area (2025 Estimates)

Conversion Type Suitability Timeframe Price Range
Velux (Roof Light) Existing headroom > 2.3m 4-6 Weeks £20k - £30k
Dormer (Rear) Semis & Terraces 6-8 Weeks £35k - £50k
Hip-to-Gable End-terrace & Semi-detached 8-10 Weeks £45k - £60k
Mansard Period Properties / London Styles 10-12 Weeks £50k - £75k+

*Prices are indicative for Chelsea properties and subject to survey.

Meet Your Chelsea Project Lead

Senior Loft Consultant for Chelsea

Mathew Oneill

Senior Structural Specialist

"I oversee all loft conversions in the Chelsea area. My job is to ensure your project meets local building regulations while maximizing every inch of space. I'm happy to visit your property for a preliminary structural assessment."

  • 20+ Years Exp.
  • CIOB Member

Book Your Free Chelsea Loft Survey

Stop fighting over the bathroom! Add an ensuite to your Chelsea loft and restore family peace.

Book Free Chelsea Loft Survey