Turn That Dusty Attic into Greenisland's Best Room

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

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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 Greenisland?

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

Increase Greenisland Property Value

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

Stay in Greenisland

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

Quick Greenisland Installation

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

Extra Greenisland Living Space

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

Expert Greenisland Loft Conversion Specialists

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

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

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

Greenisland Loft Specialists

CITB Certified • Greenisland Planning • Building Regulations

Types of Loft Conversions in Greenisland

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

Velux Loft Conversion in Greenisland

Velux Loft Conversion Greenisland

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

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

Dormer Loft Conversion Greenisland

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

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

Hip-to-Gable Conversion Greenisland

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

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

Mansard Loft Conversion Greenisland

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

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

Greenisland Loft Conversion Requirements

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

Greenisland Planning & Regulations Guide

Permitted Development in Greenisland

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

Greenisland 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 Greenisland housing stock.

Party Wall Agreements

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

Complete Greenisland Loft Conversion Services

Free Greenisland Loft Assessment

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

Greenisland Design & Planning

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

Greenisland Structural Work

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

Greenisland Windows & Dormers

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

Greenisland En-Suite Bathrooms

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

Greenisland Interior Finishing

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

Our Greenisland Loft Conversion Process

Greenisland Planning & Design Phase

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

Greenisland Construction Phase

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

Free Greenisland Survey

Professional space assessment

Greenisland Design & Planning

Architectural drawings and approvals

Expert Greenisland Construction

Professional loft specialists

Loft Conversions Across Greenisland

Greenisland City Centre

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

Greenisland Suburbs

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

Greenisland Period Properties

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

Greenisland Conservation Areas

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

Greenisland Loft Conversion Statistics

500+

Greenisland Loft Conversions Completed

4.9/5

Average Greenisland Customer Rating

15+

Years Serving Greenisland

100%

Greenisland Building Control Approved

Why Choose Building Group for Greenisland Loft Conversions?

Local Greenisland Expertise

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

Greenisland Quality Guarantee

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

Greenisland Service Areas

  • Greenisland City Centre
  • North Greenisland
  • South Greenisland
  • East Greenisland
  • West Greenisland

Recent Greenisland Loft Conversion Projects

Hip to Gable Loft Conversion in Greenisland

Victorian Terrace - Greenisland

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

Project Value: £48,000

Dormer Loft Conversion in Greenisland

Modern Semi - Greenisland

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

Project Value: £42,000

Mansard Loft Conversion in Greenisland

Period Property - Greenisland

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

Project Value: £65,000

What Greenisland Homeowners Say

★★★★★

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

- Karen Clarke, Greenisland

★★★★★

"My husband is finally out of the living room and into his new man-cave! Thank you Building Group for saving my sanity in Greenisland!"

- Olivia White, Greenisland

★★★★★

"Fantastic loft conversion in our Greenisland home. The team was professional, tidy, and finished on time. Our new master bedroom with ensuite is stunning."

- Andrew Martin, Greenisland

Greenisland Loft Conversion Pricing Guide

Greenisland Loft Conversion Costs

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

Estimated Investment for Greenisland Lofts

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

Meet Your Greenisland Project Lead

Senior Loft Consultant for Greenisland

Mathew Oneill

Senior Structural Specialist

"I oversee all loft conversions in the Greenisland 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

Trust Building Group with Your Greenisland Project

Your house is like a TARDIS... bigger on the inside (once we finish your Greenisland loft conversion!).

Book Free Greenisland Loft Survey