Unlock Your Home's Potential in Merton

Professional, reliable, and high-quality loft extensions. We manage the entire process for Merton homeowners, from planning permission to the final coat of paint.

Get Your Free Merton 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 Merton?

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

Increase Merton Property Value

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

Stay in Merton

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

Quick Merton Installation

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

Extra Merton Living Space

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

Expert Merton Loft Conversion Specialists

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

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

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

Merton Loft Specialists

CITB Certified • Merton Planning • Building Regulations

Types of Loft Conversions in Merton

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

Velux Loft Conversion in Merton

Velux Loft Conversion Merton

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

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

Dormer Loft Conversion Merton

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

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

Hip-to-Gable Conversion Merton

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

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

Mansard Loft Conversion Merton

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

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

Merton Loft Conversion Requirements

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

Merton Planning & Regulations Guide

Permitted Development in Merton

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

Merton 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 Merton housing stock.

Party Wall Agreements

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

Complete Merton Loft Conversion Services

Free Merton Loft Assessment

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

Merton Design & Planning

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

Merton Structural Work

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

Merton Windows & Dormers

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

Merton En-Suite Bathrooms

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

Merton Interior Finishing

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

Our Merton Loft Conversion Process

Merton Planning & Design Phase

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

Merton Construction Phase

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

Free Merton Survey

Professional space assessment

Merton Design & Planning

Architectural drawings and approvals

Expert Merton Construction

Professional loft specialists

Loft Conversions Across Merton

Merton City Centre

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

Merton Suburbs

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

Merton Period Properties

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

Merton Conservation Areas

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

Merton Loft Conversion Statistics

500+

Merton Loft Conversions Completed

4.9/5

Average Merton Customer Rating

15+

Years Serving Merton

100%

Merton Building Control Approved

Why Choose Building Group for Merton Loft Conversions?

Local Merton Expertise

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

Merton Quality Guarantee

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

Merton Service Areas

  • Merton City Centre
  • North Merton
  • South Merton
  • East Merton
  • West Merton

Recent Merton Loft Conversion Projects

Hip to Gable Loft Conversion in Merton

Victorian Terrace - Merton

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

Project Value: £48,000

Dormer Loft Conversion in Merton

Modern Semi - Merton

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

Project Value: £42,000

Mansard Loft Conversion in Merton

Period Property - Merton

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

Project Value: £65,000

What Merton Homeowners Say

★★★★★

"Exceptional value for money. We got quotes from three Merton firms and Building Group offered the best spec for the price."

- Richard Harris, Merton

★★★★★

"I was expecting dust everywhere, but they left my Merton house cleaner than they found it. Wizards, not builders!"

- Sarah Jenkins, Merton

★★★★★

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

- Andrew Martin, Merton

Merton Loft Conversion Pricing Guide

Merton Loft Conversion Costs

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

Estimated Investment for Merton Lofts

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

Meet Your Merton Project Lead

Senior Loft Consultant for Merton

Mathew Oneill

Senior Structural Specialist

"I oversee all loft conversions in the Merton 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

Don't Move Out, Move Up in Merton!

Book a free survey with our expert Merton team and find out what is possible with your attic space.

Book Free Merton Loft Survey