If you are considering a home extension, loft conversion, or residential refurbishment in Chelmsford or across Essex, choosing the right architect is critical. At Connor Ferris Architects, we specialise in well-designed, planning-led residential architecture that adds long-term value, improves daily living, and navigates local planning policy with confidence.
Based in Essex, we work closely with homeowners across Chelmsford, Billericay, Brentwood, Maldon, Witham, Writtle, Great Baddow, and surrounding towns, delivering practical, design-led solutions tailored to each site and household.
Why Appoint a Local Essex Architect?
Working with a local architect offers tangible advantages:
- Planning expertise with Chelmsford City Council and Essex authorities
- Familiarity with permitted development rights and local constraints
- Understanding of Essex housing typologies, plot sizes, and extensions that succeed at planning
- Established relationships with local consultants and builders
Our designs are not generic. Every project is shaped by the site, planning policy, budget, and how you actually live in your home.
Our Residential Architecture Services
Home Extensions
We design single-storey, double-storey, and wrap-around extensions that enhance space, light, and flow while respecting the existing building. Whether under permitted development or full planning, we ensure clarity from day one.
Loft Conversions
From dormer lofts to hip-to-gable conversions, we unlock unused roof space to create bedrooms, home offices, or master suites, all fully compliant with building regulations.
Renovations & Reconfigurations
Many Essex homes benefit more from internal re-planning than simply adding space. We specialise in improving layouts, daylight, and circulation without unnecessary cost.
Planning Permission & Lawful Development Certificates
We manage planning submissions, drawings, and consultant coordination, advising clearly on what is achievable and realistic before you commit.
Designed for Homeowners, Not Developers
Unlike volume practices, CFA focuses on homeowner-led projects. This means:
- Clear communication without jargon
- Honest advice on cost vs value
- Designs that support family life, resale value, and long-term sustainability
- A pragmatic approach to planning risk
We do not oversell. If something will struggle at planning, we will tell you early and propose an alternative strategy.
Sustainable, Future-Ready Design
Sustainability is embedded in our design approach, not treated as an optional add-on. We advise on:
- Fabric-first design and energy efficiency
- Sensible material choices and long-term durability
- Passive design strategies for light, ventilation, and comfort
- Future adaptability of layouts as families grow
This ensures your investment remains resilient, comfortable, and compliant with evolving standards.
Our Process
- Initial Consultation – Understand your goals, budget, and constraints
- Feasibility & Planning Strategy – Establish what is achievable
- Concept Design – Develop layouts and massing options
- Planning Submission – Full drawings and planning support
- Technical Design – Building regulations and construction detail
- Construction Support – Liaison with builders where required
This structured process gives clients confidence, cost control, and clarity.
Areas We Work In
Connor Ferris Architects works throughout Chelmsford and Essex, including:
- Chelmsford
- Billericay
- Brentwood
- Maldon
- Witham
- Writtle
- Great Baddow
- Ingatestone
- Danbury
If you are outside these areas, we are happy to advise.
Speak to an Architect in Chelmsford
If you are planning an extension, loft conversion, or home improvement in Essex, an early conversation with an architect can save time, money, and stress.







