Unleash Your Homes Potential by Extending Your Property. North London's leading Loft Conversion and House Extension Design Specialists.
At BARNET Planning & Design Consultants, we pride ourselves on specializing in the BARNET BOROUGH and surrounding areas of HERTFORDSHIRE, ensuring that your project is handled by a team with deep knowledge of the local area. Our expert Designers and Planning Consultants work closely with you to provide seamless planning and creative solutions that maximize your space, delivering outstanding results right from the start.
Our comprehensive team includes dedicated Surveyors, experienced Planning Consultants, a skilled Technical drafting team, certified Structural Engineers, and qualified Party Wall Surveyors. This diverse range of professionals allows us to support you through every stage of your project, from initial design concepts to securing Planning Permission and Building Control approval. Whether you want to add a simple extension or completely transform your space, we ensure everything runs smoothly and to the highest standards.
Since 2005, we have successfully served over 1,000 homeowners in BARNET alone, offering a wealth of experience in residential architecture and planning. Our in-depth understanding of the local regulations and approval processes allows us to fast-track your project, ensuring a swift turnaround. We deliver accurate, high-quality drawings within just two weeks of conducting a site-measured survey, enabling you to get your project moving as quickly as possible.
If you're seeking expert guidance and proven results, look no further. Fill out the quotation form below, and we’ll promptly provide a competitive quote for your project. We're confident that our expertise and dedication will exceed your expectations.
Our Services
Planning
Consultation
Services
Our planning consultation services are designed to guide you through the complexities of your building project. Whether you're at the concept stage or seeking approval, our experienced consultants offer expert advice tailored to your specific needs. We assist with site assessments, zoning regulations, planning applications, and more, ensuring every step is smooth and compliant with local authority guidelines. Our personalized approach ensures that potential challenges are identified and addressed early, saving you time and money. Let us help you turn your vision into reality with clear, strategic planning guidance at every stage of your project.
Planning
Design
Services
We offer comprehensive planning and design services tailored to your vision. Whether you're looking to develop residential, commercial, or industrial spaces, our experienced architects and designers collaborate with you to create detailed, innovative plans that meet all regulatory requirements. We take pride in providing customized solutions that blend functionality with aesthetics, ensuring your project is brought to life with precision. From initial concept designs to final approvals, our team supports you through every phase of the planning process, making sure your dream development is both achievable and sustainable. Let’s build something exceptional together.
Building
Regulation
Design
Our building regulation services ensure your project meets all legal and safety standards required by local authorities. From residential extensions to large-scale developments, our team provides expert guidance on compliance with current building regulations. We handle all necessary documentation, liaising with inspectors to secure approvals smoothly and efficiently. With our detailed knowledge of the regulatory framework, we ensure your project is structurally sound, energy-efficient, and built to code. Trust us to simplify the process, helping you avoid costly delays or complications. Let us take care of the details, so you can focus on bringing your vision to life.
Structural
Engineering
Design
Our Structural Engineering Services provide expert solutions for residential and commercial projects. From designing safe and efficient structures to ensuring compliance with all building regulations, our skilled team of engineers works closely with architects, builders, and clients to deliver results tailored to your needs. We specialize in structural analysis, reinforcement design, and foundation planning, guaranteeing durability and stability in every project. Whether you're planning a new build or making modifications to an existing structure, we ensure your project stands on a solid foundation, providing peace of mind and expert guidance at every step.
Prices - at a glance
LOFT CONVERSIONS
from - £600
EXTENSIONS
from - £600
OUTBUILDINGS
from - £350
Case Studies

Terraced Property
Rear Extension
Client Emma Brown / Borough Barnet Council
Project Category Single Storey Rear Extension
Emma needed a new kitchen, so our team of designers produced detailed drawings for a full-width ground-floor single-storey rear extension for the council to approve under a householder application. In eight weeks, the council accepted the design, and builders came in and completed the proposed works in just three months so that Eamma could enjoy her new extended ground-floor kitchen/diner. Call our team today for a quote, and we will guide you on the best design for your property.

Terraced Property
Loft Conversion
Client Jacobe Smiley / Borough FBarnet Council
Project Category Loft Conversion
Terraced properties are the most common to convert into that new 3rd or 4th bedroom; convert your attic space now and save thousands on wanted stamp duty money on buying a larger home. A new room can be achieved for £50,000 - £60,000, adding value to your property. Our team have designed many Loft Conversions in Barnet, mostly under permitted development applications, so in just 8 weeks, you will benefit from obtaining a Lawful Development Certificate.

Victorian Property
Loft Conversion
Client Gary Smith / Borough Barnet Council
Project Category Loft Conversion on a Butterfly Roof
Experts in converting your disused, non-existent, dusty attic space into a new home large office or a new master bedroom with a connected ensuite not only add extra space but also add value, benefiting from a capital gains tax exemption for that solid, safe investment. We produce Planning and Building Regulation drawings for a fraction of the price other services providers offer. Our in-house experts will advise you on the best design possible to obtain all the correct certifications.
Prices listed above are for PLANNING DESIGN services; contact our team for Building Regulation or Structural Design works for your proposed project, and we will quote you based on particular project needs, being the most competitive service provider
Explaining the Next Steps
Every design proposal we create is entirely unique. The process can vary depending on factors like the type of development, property location, and the project's size and scope. However, to give you a clearer picture of how we operate from start to finish, we’ve outlined the key steps involved in our process.
Here’s an overview of how we structure our approach and how our team is committed to supporting you at every stage:
1. Receive expert advice from our consultants, sharing ideas and possibilities with you.
2. A professional surveyor conducts a measured survey of your property.
3. We develop a design brief to fully understand the proposed works.
4. Planning drawings are produced, keeping your vision in mind.
5. Free-of-charge amendments made to drawings where necessary.
6. Plans submitted to the local council's planning department.
PLANS APPROVED
7. Drawings upgraded to Building Regulation standards.
8. Structural calculations and fabrication details are prepared.
9. Drainage drawings created. (for extensions)
THAMES WATER BUILDER OVER approval obtained (if applicable)
10. Registration with BUILDING CONTROL, PLANS APPROVED – Plans Check Certificate issued.
11. The building process begins.
12. Site inspections conducted regularly throughout the build.
13. Completion certificate issued by BUILDING CONTROL
HAPPY CUSTOMER at the end of a seamless process.
From the initial consultation to final completion, we are here to ensure that every detail is covered.
About Us
Welcome to Barnet - Planning & Design Consultants
Your Trusted Architectural Design & Planning Consultant in East London
At Barnet - Planning & Design Consultants, we’re passionate about turning your architectural dreams into reality.
For over 19 years, we’ve been delivering high-quality, affordable solutions to homeowners and businesses across North London and beyond. Our team is known for innovative, practical designs that are tailored to your unique needs—whether it’s a home extension, new build, or commercial project.
Our Mission
We’re more than just an Architectural design practice—we’re your partners in planning and design.
Our full range of services includes:
Residential & Commercial Building Plans: Whether it's a cosy home renovation or a large-scale commercial project, we’ll create detailed architectural plans that perfectly match your vision.
Planning Permission Assistance: Getting planning permission can be tricky, but we’re here to make the process as smooth as possible, ensuring your application has the best chance of success.
Consultation Services: From your first consultation to the final touches, we’re with you every step of the way, guiding you toward a smooth, successful project.
We believe great architecture should be accessible to everyone.
That’s why we offer competitive pricing without ever cutting corners on quality.
Why Choose us?
We aim to deliver top-notch architectural solutions at prices you’ll love. We make the design and building process simple, affordable, and tailored to fit your specific needs.
Customer Satisfaction: Our clients are our biggest advocates. Their glowing testimonials and referrals speak volumes about the
level of service and satisfaction we deliver.
Tailored Solutions: Every project is different. We take pride in creating customized designs that match your style, budget, and vision.
Experienced Team: With decades of combined experience, our talented architects, engineers, and surveyors handle your project with expertise and care.
Fast Turnaround: We know time is precious, so we work efficiently to complete your project within agreed timelines without sacrificing quality.
Whether you’re planning a minor renovation or a major development, we’re ready to help.
Contact us today for a free consultation, and let’s bring your architectural ideas to life.