Fixed Price Loft Conversions in Belfast

Specializing in complex loft projects across Belfast. Whether you need a simple Velux install or a full hip-to-gable conversion, we can help.

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10-Year Warranty On all Structure
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Why Choose Loft Conversion in Belfast?

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

Increase Belfast Property Value

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

Stay in Belfast

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

Quick Belfast Installation

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

Extra Belfast Living Space

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

Expert Belfast Loft Conversion Specialists

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

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

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

Belfast Loft Specialists

CITB Certified • Belfast Planning • Building Regulations

Types of Loft Conversions in Belfast

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

Velux Loft Conversion in Belfast

Velux Loft Conversion Belfast

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

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

Dormer Loft Conversion Belfast

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

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

Hip-to-Gable Conversion Belfast

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

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

Mansard Loft Conversion Belfast

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

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

Belfast Loft Conversion Requirements

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

Belfast Planning & Regulations Guide

Permitted Development in Belfast

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

Belfast 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 Belfast housing stock.

Party Wall Agreements

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

Complete Belfast Loft Conversion Services

Free Belfast Loft Assessment

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

Belfast Design & Planning

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

Belfast Structural Work

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

Belfast Windows & Dormers

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

Belfast En-Suite Bathrooms

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

Belfast Interior Finishing

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

Our Belfast Loft Conversion Process

Belfast Planning & Design Phase

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

Belfast Construction Phase

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

Free Belfast Survey

Professional space assessment

Belfast Design & Planning

Architectural drawings and approvals

Expert Belfast Construction

Professional loft specialists

Loft Conversions Across Belfast

Belfast City Centre

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

Belfast Suburbs

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

Belfast Period Properties

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

Belfast Conservation Areas

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

Belfast Loft Conversion Statistics

500+

Belfast Loft Conversions Completed

4.9/5

Average Belfast Customer Rating

15+

Years Serving Belfast

100%

Belfast Building Control Approved

Why Choose Building Group for Belfast Loft Conversions?

Local Belfast Expertise

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

Belfast Quality Guarantee

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

Belfast Service Areas

  • Belfast City Centre
  • North Belfast
  • South Belfast
  • East Belfast
  • West Belfast

Recent Belfast Loft Conversion Projects

Hip to Gable Loft Conversion in Belfast

Victorian Terrace - Belfast

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

Project Value: £48,000

Dormer Loft Conversion in Belfast

Modern Semi - Belfast

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

Project Value: £42,000

Mansard Loft Conversion in Belfast

Period Property - Belfast

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

Project Value: £65,000

What Belfast Homeowners Say

★★★★★

"Honest, reliable and skilled. Our mansard loft in Belfast looks incredible. They finished exactly on budget."

- Emily Lewis, Belfast

★★★★★

"Fast, efficient, and friendly. Turned our dark Belfast attic into a bright, airy yoga studio. Thank you Building Group!"

- Michael Hughes, Belfast

★★★★★

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

- David Wilson, Belfast

Belfast Loft Conversion Pricing Guide

Belfast Loft Conversion Costs

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

Estimated Investment for Belfast Lofts

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

Meet Your Belfast Project Lead

Senior Loft Consultant for Belfast

Mathew Oneill

Senior Structural Specialist

"I oversee all loft conversions in the Belfast 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

Stop Dreaming, Start Building in Belfast

Make your Belfast neighbors jealous. It's not a competition, but if it was, you'd win with our lofts.

Book Free Belfast Loft Survey