Lewisham Loft Conversion Specialists – Transform Your Home

Running out of room? The only way is up! Building Group raises the roof (literally) to give you the space you need in Lewisham.

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Why Choose Loft Conversion in Lewisham?

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

Increase Lewisham Property Value

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

Stay in Lewisham

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

Quick Lewisham Installation

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

Extra Lewisham Living Space

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

Expert Lewisham Loft Conversion Specialists

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

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

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

Lewisham Loft Specialists

CITB Certified • Lewisham Planning • Building Regulations

Types of Loft Conversions in Lewisham

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

Velux Loft Conversion in Lewisham

Velux Loft Conversion Lewisham

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

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

Dormer Loft Conversion Lewisham

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

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

Hip-to-Gable Conversion Lewisham

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

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

Mansard Loft Conversion Lewisham

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

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

Lewisham Loft Conversion Requirements

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

Lewisham Planning & Regulations Guide

Permitted Development in Lewisham

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

Lewisham 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 Lewisham housing stock.

Party Wall Agreements

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

Complete Lewisham Loft Conversion Services

Free Lewisham Loft Assessment

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

Lewisham Design & Planning

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

Lewisham Structural Work

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

Lewisham Windows & Dormers

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

Lewisham En-Suite Bathrooms

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

Lewisham Interior Finishing

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

Our Lewisham Loft Conversion Process

Lewisham Planning & Design Phase

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

Lewisham Construction Phase

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

Free Lewisham Survey

Professional space assessment

Lewisham Design & Planning

Architectural drawings and approvals

Expert Lewisham Construction

Professional loft specialists

Loft Conversions Across Lewisham

Lewisham City Centre

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

Lewisham Suburbs

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

Lewisham Period Properties

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

Lewisham Conservation Areas

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

Lewisham Loft Conversion Statistics

500+

Lewisham Loft Conversions Completed

4.9/5

Average Lewisham Customer Rating

15+

Years Serving Lewisham

100%

Lewisham Building Control Approved

Why Choose Building Group for Lewisham Loft Conversions?

Local Lewisham Expertise

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

Lewisham Quality Guarantee

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

Lewisham Service Areas

  • Lewisham City Centre
  • North Lewisham
  • South Lewisham
  • East Lewisham
  • West Lewisham

Recent Lewisham Loft Conversion Projects

Hip to Gable Loft Conversion in Lewisham

Victorian Terrace - Lewisham

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

Project Value: £48,000

Dormer Loft Conversion in Lewisham

Modern Semi - Lewisham

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

Project Value: £42,000

Mansard Loft Conversion in Lewisham

Period Property - Lewisham

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

Project Value: £65,000

What Lewisham Homeowners Say

★★★★★

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

- Charles Scott, Lewisham

★★★★★

"They managed the party wall agreement with our Lewisham neighbors professionally. The whole street was impressed with their cleanliness."

- Victoria King, Lewisham

★★★★★

"Building Group provided excellent advice on the best layout for our Lewisham terrace. The result is better than we imagined."

- Emma Johnson, Lewisham

Lewisham Loft Conversion Pricing Guide

Lewisham Loft Conversion Costs

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

Estimated Investment for Lewisham Lofts

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

Meet Your Lewisham Project Lead

Senior Loft Consultant for Lewisham

Mathew Oneill

Senior Structural Specialist

"I oversee all loft conversions in the Lewisham 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 Lewisham Homes

Contact us today for a free design consultation and detailed quote for your Lewisham property.

Book Free Lewisham Loft Survey