The Green Belt is a policy designation used to control urban growth. It acts as a "buffer zone" of open land around certain cities and large built-up areas. It aims to avoid inappropriate development which is by definition harmful, but as green belt experts we know the exceptions and know how to navigate the local council's specific rules.
The green belt policy is strict one, but with the right experienced green belt architect company it is not impossible to overcome any planning obstacles. Many people do not understand that you still have homeowner permitted development rights in green belt for home extensions and also the ability to do Class Q barn conversions. There are other policies like Paragraph 80 and many other planning strategies which can be implemented to allow you to maximise your home or commercial development project even though you are in green belt.
The planning strategy is essential to unlock the potential of your Green Belt land. We specialise in securing planning permission for extensions, replacement dwellings, and sensitive new builds.
We are specialists in Paragraph 80 (Para 79 / para 55) houses. We design homes of exceptional quality that enhance the landscape and secure planning in the countryside. If you are looking for a bespoke grand design we can certainly help.
Maximize your home within Green Belt rules. We are experts architects for replacement dwellings and ‘disproportionate’ extension arguments. Create your dream family home.
We have worked on many Class Q barn conversion in green belt, therefore if you are a farmers or landowners with agricultural buildings please get in touch to book a consultation with one of our green belt architects.
We’re straight-talking, approachable people who will listen first and guide you on your design and build journey.
Explore some of our amazing bespoke architectural designs.
Commercial
A sustainable development of five high-specification homes, cleverly designed for modern living.
Sharing the local village vernacular of brick and clay tiles, these five houses each have open-plan living accommodation with a separate office space and snug area.
Commercial
This project creates a mix of 48 new build homes (2, 3 and 4 bed) and includes detached, semi-detached and terrace properties. The design of the homes is in a traditional style with contemporary touches finished in brick, render and stone detailing. The site is located on the old RAF site in Alconbury in Cambridgeshire and forms part of a large masterplan by Urban & Civic for 6,500 homes as well as other large infrastructure.
The biggest issue with 2d plans and 3d images is that our clients struggle to understand the designs concept and when you are paying thousands of pounds on a building project this is not good enough. We use virtual reality as part of the design process to show you options and allow you to walk around the proposals as if you would in real life. You get a sense of how the completed building will feel and the sense of space.
Posted on Google martyn sakolTrustindex verifies that the original source of the review is Google. We have been delighted about the way Grant and the team at CBBA, have understood our aspirations for our additional space, and how they have translated that into a building design that we are really excited about. Grant is really great to work with. He got us effortlessly through the planning process and he and the team are highly recommended by us. We look forward to working with them as our project is realised. Martyn & AlessandraPosted on Google JasTrustindex verifies that the original source of the review is Google. We had a fantastic experience with CBB Architects planning our single storey extension. With this being the first project like this that we have undertook, we felt we were in great hands since Grant was informative and always responded quickly to any questions. He took the time to understand exactly what we wanted and offered his own advice and creative ideas that really improved the final design. We would have no hesitation in recommending CBB architects.Posted on Google Mohammed AzamuddinTrustindex verifies that the original source of the review is Google. It’s been a pleasure working with Grant on several projects, including a residential large HMO planning on St Albans rd. he been consistently responsive, knowledgeable, and client-focused, always considering return on investment. Being local to Cambridge has also been a real asset when dealing with planning matters. I wouldn’t hesitate to recommend them.Posted on Google Josie StevensTrustindex verifies that the original source of the review is Google. Oliver Brookes assisted us from survey to preparation of initial concept design options and ideas to preparation and submission of a full planning application. This was a very smooth & timely process. We now look forward to working with him on the technical design stage.Posted on Google Lucy owersTrustindex verifies that the original source of the review is Google. Amazing Service - super responsive and helpful with getting my planning permission application updated with the correct documents! ThankyouPosted on Google dimitris vasilopoulosTrustindex verifies that the original source of the review is Google. During Stage 3 (planning period), Oliver Brookes provided exceptional services, carefully developing the design and addressing all planning requirements with professionalism and expertise. Their thorough approach and attention to detail enabled us to successfully obtain planning permission. We are now looking forward to moving into Stage 4 and continuing the project with the same high level of collaboration and quality. We highly recommend them for any kind project.Posted on Google Kaisa Maki-PetajaTrustindex verifies that the original source of the review is Google. We had a fantastic experience with CBB architects. Grant really understood our vision and turned it into clear, well-designed plans that perfectly matched what we wanted. They guided us smoothly through the planning permission process, which was handled efficiently and successfully. They also helped us choose the right builders, which made a big difference. Throughout, they were patient, helpful, and always responsive. We would highly recommend them.Posted on Google nicola holdstockTrustindex verifies that the original source of the review is Google. Grant was genuinely brilliant. I needed an extremely quick turn around for planning permission and listed buildings advice. He was so professional and approachable. I genuinely couldn't recommend Cameron Bosque Brookes Architects more highly.Posted on Google Harry GreshamTrustindex verifies that the original source of the review is Google. Our trusted surveyor recommended CBB.We worked with Oliver who helped us design our extension and reconfigure our internal floor plan to make the most of the space. Very happy with the outcome. Oliver was responsive to telephone and email queries and had the know-how to navigate the planning process with us. We would use Oliver and CBB again in the future and would recommend them to friends, family and colleagues.Posted on Google valentina ruffoloTrustindex verifies that the original source of the review is Google. I had an outstanding experience working with Grant Cameron from Cameron Bosque Brookes Architects. From the first conversation, he was exceptionally kind, attentive, and genuinely listened to our needs and constraints. His approach was pragmatic and solution-oriented, consistently translating my vision into thoughtful, buildable designs without compromising on quality or aesthetics. Communication was seamless providing clear cost transparency and smart value-for-money. I would recommend them to anyone seeking a client-focused, reliable, and budget-conscious architect.
Building in the Green Belt is notoriously difficult because the policy’s primary aim is to prevent urban sprawl by keeping land permanently “open,” making most new development “inappropriate” by default. Cameron Bosque Brookes Architects will help you overcome this by shifting their role from simple designer to strategic negotiator. We identify specific exceptions within the National Planning Policy Framework (NPPF) such as replacing an existing building, limited infilling in a village, or converting redundant agricultural barns (Class Q or Class R) to bypass the blanket ban.
Find answers to common questions about our architectural services and how we can assist you.
Generally no, unless you meet specific exceptions which we use to get around this. Replacement dwellings where you can usually demolish an existing house and replace it, provided the new one is not "materially larger" considering permitted development additions are acceptable. Infilling with a building in a gap between existing frontages in a recognized village settlement is acceptable. Agricultural Conversion (Class Q) Converting barns to homes is acceptable. In this case we often use this as a “fall back” position then post approval submit a new application for a new build dwelling to be more flexible on the design. Paragraph 84 (formerly Para 80): The "Grand Designs" clause. You can build a new isolated home if the design is of "exceptional quality" and significantly enhances its immediate setting. This is the "gold standard" service for Green Belt architects.
Under homeowner planning application usually no more than 30–50% larger than the "original" house. The "Original Dwelling" is as it stood on July 1, 1948, or when built. If previous owners already extended the house by 30% or more, you may have used up your allowance. A green belt architect’s trick we often use "Permitted Development" (PD) rights to build out extensions before applying for planning permission for the main project, or they use a strategy called "Fall-back." This involves proving you could build a large ugly extension under PD rights, and offering to "trade" that potential volume for a better-designed, slightly larger single extension that the council prefers.
A legal argument used when your project breaks the rules, but the benefits "clearly outweigh" the harm. You must prove the development provides public benefits that override the protection of the Green Belt. An example of this would be restoring a listed heritage asset that is falling down, remediating highly contaminated land, or providing essential rural worker accommodation. At Cameron Bosque Brookes we will assess what legislation and arguments we can use in our client’s favor to gain planning permission within green belt.
A subjective test by planners to see if your building makes the countryside look "cluttered." "Openness" is the most important word in Green Belt policy. It is not just about size; it is about visual impact. To pass the openness test, Cameron Bosque Brookes could design subterranean (basement) levels, use green roofs to merge the building into the field, or use glass links to break up the "massing" of a building so it looks like a cluster of small farm sheds rather than one giant mansion. We have lots of more clever design tricks to comply with subjective planning policies.
For Green Belt, you pay for the strategy, not just the drawings. A standard architect might draw a beautiful house that gets rejected immediately because it looks "suburban." A Green Belt specialist understands landscape-led design and planning policies. At Cameron Bosque Brookes Architects we model all of our buildings in 3d and can produce "Visual Impact Assessments" (3D renders showing the house from long-distance public footpaths) to prove to the planning officer that the house effectively "disappears" into the trees. This is something a 2d draftsperson usually cannot do.