Fixed Price Loft Conversions in Mayfair

Turn that dusty, dark void above your head into cash in your pocket. A Building Group loft conversion is the smartest investment in Mayfair.

Get Your Free Mayfair 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 Mayfair?

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

Increase Mayfair Property Value

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

Stay in Mayfair

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

Quick Mayfair Installation

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

Extra Mayfair Living Space

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

Expert Mayfair Loft Conversion Specialists

Transform your Mayfair 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 Mayfair, we create bespoke solutions tailored to your lifestyle.

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

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

Mayfair Loft Specialists

CITB Certified • Mayfair Planning • Building Regulations

Types of Loft Conversions in Mayfair

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

Velux Loft Conversion in Mayfair

Velux Loft Conversion Mayfair

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

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

Dormer Loft Conversion Mayfair

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

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

Hip-to-Gable Conversion Mayfair

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

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

Mansard Loft Conversion Mayfair

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

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

Mayfair Loft Conversion Requirements

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

Mayfair Planning & Regulations Guide

Permitted Development in Mayfair

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

Mayfair 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 Mayfair housing stock.

Party Wall Agreements

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

Complete Mayfair Loft Conversion Services

Free Mayfair Loft Assessment

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

Mayfair Design & Planning

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

Mayfair Structural Work

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

Mayfair Windows & Dormers

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

Mayfair En-Suite Bathrooms

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

Mayfair Interior Finishing

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

Our Mayfair Loft Conversion Process

Mayfair Planning & Design Phase

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

Mayfair Construction Phase

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

Free Mayfair Survey

Professional space assessment

Mayfair Design & Planning

Architectural drawings and approvals

Expert Mayfair Construction

Professional loft specialists

Loft Conversions Across Mayfair

Mayfair City Centre

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

Mayfair Suburbs

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

Mayfair Period Properties

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

Mayfair Conservation Areas

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

Mayfair Loft Conversion Statistics

500+

Mayfair Loft Conversions Completed

4.9/5

Average Mayfair Customer Rating

15+

Years Serving Mayfair

100%

Mayfair Building Control Approved

Why Choose Building Group for Mayfair Loft Conversions?

Local Mayfair Expertise

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

Mayfair Quality Guarantee

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

Mayfair Service Areas

  • Mayfair City Centre
  • North Mayfair
  • South Mayfair
  • East Mayfair
  • West Mayfair

Recent Mayfair Loft Conversion Projects

Hip to Gable Loft Conversion in Mayfair

Victorian Terrace - Mayfair

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

Project Value: £48,000

Dormer Loft Conversion in Mayfair

Modern Semi - Mayfair

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

Project Value: £42,000

Mansard Loft Conversion in Mayfair

Period Property - Mayfair

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

Project Value: £65,000

What Mayfair Homeowners Say

★★★★★

"Our hip-to-gable conversion has completely changed our family life. We finally have the space we need in Mayfair without moving."

- Victoria King, Mayfair

★★★★★

"Professional service from start to finish. Our hip-to-gable conversion has added so much space to our Mayfair home. Quality workmanship."

- Jennifer Wright, Mayfair

★★★★★

"Great experience from the quote to the final sign-off. The project manager kept us updated every week on our Mayfair build."

- Richard Harris, Mayfair

Mayfair Loft Conversion Pricing Guide

Mayfair Loft Conversion Costs

Loft conversion costs in Mayfair vary based on type, size, and specifications. Typical Mayfair 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 Mayfair quotes include structural work, insulation, electrics, plastering, and building control fees. Contact us for a free Mayfair survey and detailed quote.

Estimated Investment for Mayfair Lofts

A transparent guide to typical conversion costs in the Mayfair 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 Mayfair properties and subject to survey.

Meet Your Mayfair Project Lead

Senior Loft Consultant for Mayfair

Mathew Oneill

Senior Structural Specialist

"I oversee all loft conversions in the Mayfair 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

Professional Loft Advice for Mayfair Homes

Warning: A new loft by Building Group may cause you to never leave your Mayfair house again.

Book Free Mayfair Loft Survey