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Chartered Architects in Crawley
JNA Architects have dedicated over 25 years to delivering high-quality architectural solutions, specialising in residential extensions, loft conversions, and bespoke house designs. Our approach begins with comprehensive consultation, offering expert guidance on planning, budgeting, and project timelines. We produce detailed sketch designs and working drawings, ensuring every project aligns with client aspirations and regulatory standards. Our services extend to contract preparation and construction supervision, guaranteeing seamless execution.

With a strong focus on practicality and creativity, we serve both private residential clients and commercial sectors, including bars, clubs, and restaurants. Our portfolio demonstrates a commitment to integrating traditional materials with modern design principles, tailored to diverse client needs. Client testimonials highlight our professionalism, innovative solutions, and ability to deliver projects on time and within budget.
Services
Residential Extensions Loft Conversions Bespoke House Designs Commercial Design Planning Applications
Highlights and features
  • We offer 25+ years of architectural expertise in residential and commercial projects.
  • Our end-to-end service covers consultation, design, planning, and construction supervision.
  • We specialise in creating tailored designs that balance creativity with practicality.
  • Our pragmatic approach ensures cost-effective solutions for bars, clubs, and restaurants.
  • Client testimonials highlight our reliability, innovation, and commitment to quality.
Associations and certifications
  • Royal Institute of British Architects (RIBA)
What people say
Incredibly creative Professional and trustworthy Excellent ideas Diplomatic skills Exemplary advice
Services
Residential Extensions
We design and oversee residential extensions, including side, rear, and two-storey additions. Our process ensures compliance with planning regulations while enhancing property value and functionality. Clients benefit from tailored solutions that integrate seamlessly with existing structures.
Loft Conversions
Our loft conversion services maximise underutilised space, creating functional living areas. We handle structural assessments, planning permissions, and construction supervision to deliver safe, compliant conversions that enhance property utility and market appeal.
Bespoke House Designs
We specialise in one-off house designs tailored to client preferences and site characteristics. From concept to completion, we ensure unique architectural solutions that reflect individual needs while adhering to environmental and regulatory standards.
Commercial Design
Our commercial design services cater to bars, clubs, and restaurants, focusing on practical layouts and aesthetic appeal. We provide licensing advice and design solutions that balance functionality with contemporary style for high-traffic environments.
Planning Applications
We prepare and submit comprehensive planning applications, including feasibility studies and regulatory drawings. Our expertise ensures efficient navigation of local authority requirements, minimising delays and maximising approval success rates.
Questions
What architectural services does JNA Architects offer?
We provide residential extensions, loft conversions, bespoke house designs, commercial projects, and planning application support.
How experienced is JNA Architects?
We have over 25 years of experience in residential and commercial architecture, with a focus on practical, client-centred solutions.
What areas do you serve?
We primarily operate in Crawley, West Sussex, and surrounding regions for residential and commercial projects.
Do you handle both design and construction supervision?
Yes, we offer end-to-end services from initial design to construction oversight to ensure project success.
Can you assist with commercial projects like bars and restaurants?
Yes, we specialise in commercial design for licensed premises, providing tailored layouts and licensing advice.