
Loft Conversions in Chiswick: Add Space, Value & Style with Crest Projects
Unlock Your Home’s Potential with a Tailored Loft Conversion
If you’re looking to maximise your home’s space without moving, a loft conversion in Chiswick is one of the smartest investments you can make. With property prices in West London at a premium, homeowners are increasingly turning to their unused roof space to create additional living areas—whether it’s a new bedroom, office, studio, or even a luxury bathroom.
At Crest Projects, we specialise in delivering bespoke loft conversions in Chiswick, offering seamless design-and-build services that add style, comfort, and value to your home.

Why Choose a Loft Conversion in Chiswick?
Chiswick is known for its Victorian and Edwardian properties, many of which offer the perfect structure for loft transformations. Converting your loft is not only more cost-effective than moving house but also allows you to design a space that truly reflects your needs.
Top Benefits of a Loft Conversion:
- Extra Living Space without extending the footprint of your home
- Increased Property Value, often adding 20% or more to your home’s market price
- Avoid the Cost and Stress of Moving
- Energy Efficiency, with modern insulation and windows
- Tailored Design to suit your lifestyle
Types of Loft Conversions We Offer in Chiswick
Each property is unique, and our approach is always tailored to ensure the most practical and visually appealing outcome. We offer a variety of loft conversion styles depending on your property type, budget, and planning considerations.
1. Dormer Loft Conversions
The most popular option, a dormer extension adds vertical space by projecting out from the existing roof, creating generous headroom and usable floor space.
2. Mansard Loft Conversions
Ideal for terraced or semi-detached homes in Chiswick, mansard conversions offer a flat-roofed rear extension, maximising space and giving a more modern finish.
3. Hip-to-Gable Loft Conversions
Perfect for end-of-terrace or detached homes with a sloping side roof, this conversion extends the roof line, providing ample room for a spacious new room.
4. Velux (Rooflight) Loft Conversions
The most budget-friendly option, Velux conversions maintain the original roof shape but add rooflights to bring in natural light. Great for storage or study rooms.
Our Loft Conversion Process at Crest Projects
We understand that any home improvement project can feel daunting, which is why we offer full project management from start to finish. Our team of skilled designers, architects, builders, and project managers work collaboratively to bring your vision to life—on time and within budget.
Step-by-Step Loft Conversion Journey:
- Free Initial Consultation
We visit your home in Chiswick to assess feasibility and understand your goals. - Design & Planning
Our design team creates detailed drawings, and we handle any planning permissions or party wall agreements if needed. - Quotation & Timeline
We provide a transparent, fixed-price quote along with a realistic timeline. - Construction Phase
Our in-house team manages all construction work, including structural adjustments, insulation, plumbing, and electrics. - Final Touches & Handover
We complete with painting, flooring, and final styling before a thorough handover.
Why Homeowners in Chiswick Choose Crest Projects
Crest Projects is a trusted West London renovation company with a reputation for excellence. We’ve completed numerous loft conversions in Chiswick and the surrounding areas, always delivering results that exceed expectations.
Our Strengths:
- Local Expertise: We understand the specific styles and planning regulations of Chiswick properties.
- Bespoke Design: Every loft is tailored to your unique taste and lifestyle.
- In-House Team: Skilled professionals including architects, builders, electricians, and decorators.
- Transparent Communication: Clear updates throughout the project with a single point of contact.
- Turnkey Service: From concept to completion—we handle it all.
Planning Permission for Loft Conversions in Chiswick
Most loft conversions in Chiswick fall under permitted development rights, meaning you won’t need planning permission if specific criteria are met. However, if your home is in a conservation area or you’re planning a larger extension, we can assist with planning applications through Hounslow Council or the appropriate local authority.
We also handle Party Wall Agreements, structural calculations, and building regulations approval, so you don’t have to worry about the legalities.
Estimated Costs for Loft Conversions in Chiswick
Costs depend on the size and complexity of your conversion. Here’s a general guide:
- Velux Conversion: From £30,000
- Dormer Conversion: From £45,000–£60,000
- Mansard Conversion: From £60,000+
- Hip-to-Gable: From £55,000+
We provide all-inclusive quotes covering design, labour, materials, and finishing.
Book Your Free Loft Consultation in Chiswick Today
If you’re ready to explore the possibilities of a loft conversion in Chiswick, Crest Projects is your trusted local partner. With a strong focus on design, quality, and service, we transform unused attic space into stunning, functional living areas.
Contact us today to schedule your free consultation and take the first step toward unlocking your home’s potential.