House Extension N4 | Rear & Side Extensions
Architectural design, planning permission and structural engineering for your N4 extension — handled by our London specialists.
Get Your Free Quote
Tell us about your project — we respond within 24 hours
Architect in n4 | Loft Conversions, Extensions & Planning
Crown Architecture — Award-winning architects serving n4 and surrounding areas. Call or Text: 07443804841
Crown Architecture & Structural Engineering Ltd provides expert architectural services in n4. Our team of qualified architects specialises in loft conversions, rear and side extensions, and full planning applications. We have extensive experience working with the London Borough of Islington and understand its planning policies, design guides, and supplementary planning documents. The n4 area features a mix of Victorian terraces and Edwardian semis, each presenting unique opportunities for extension and conversion. Whether you are looking to add a dormer loft conversion, create an open-plan kitchen extension, or undertake a full home renovation, our architects will design a solution that maximises your space while meeting all building regulations. We handle every aspect of your project from initial design concept through to planning permission submission and building regulations approval. Our track record with the London Borough of Islington means your application will be prepared to the highest standard, giving you the best chance of first-time approval.
Our Services in n4
- Loft Conversions (Dormer, Mansard, Hip-to-Gable)
- Rear and Side Extensions
- Planning Permission Applications
- Building Regulations Drawings
- Structural Engineering
- New Build Design
- Permitted Development Advice
Get a Free Quote
Why Choose Crown Architecture in n4?
✓ Local Expertise
Deep knowledge of the London Borough of Islington planning policies and local design guides.
✓ Full Service
From initial concept to planning approval and building regulations.
✓ First-Time Approval
Our applications are designed to meet council requirements from the start.
What Our Clients Say
Crown Architecture handled our loft conversion in n4 from design to planning approval. Excellent service and a first-time planning pass.
— Sarah T., n4 homeowner
Professional team with great knowledge of the local planning authority. They made the whole process straightforward.
— James M., n4 resident