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Thanks to OAS, my planning permission was approved smoothly, and I couldn’t have asked for a better experience. I highly recommend OAS to anyone looking for a reliable, efficient, and friendly architectural service. Thank you for making everything so simple!

If you're looking for an architect in London for a new build or major renovation, look no further. Online Architectural Services took our vision and turned it into a stunning, viable design. They were very helpful with the structural considerations and planning nuances. A truly top-tier architectural firm

Working with OAS completely changed my expectations of the planning permission process. I thought it would involve endless paperwork and uncertainty, but their team made everything feel clear, structured, and surprisingly stress-free. They kept me updated at every stage, answered every question with patience, and dealt with the technical details so I never felt overwhelmed. Their knowledge, organisation, and genuine commitment to getting the best outcome gave me real peace of mind. I would happily trust OAS with another project and recommend them to anyone looking for a reliable and professional planning team.

Choosing OAS was one of the best decisions I made for my home project. I was expecting the planning permission process to be complicated, but their team made everything feel simple and well organised. They were always quick to respond, explained every step clearly, and took care of all the paperwork with great attention to detail.

Fantastic service for my loft conversion project. OAS provided detailed architectural designs and handled the lawful development certificate with ease. They are clearly experts in residential architecture across London boroughs. Professional, responsive, and very transparent with costs. Five stars!

I had a great experience with Architectural Service Online. They were extremely helpful throughout the planning permission process and made everything much easier to understand. The team was professional, responsive, and guided me through each step clearly. Their knowledge and support helped my application progress smoothly. I would definitely recommend them to anyone needing assistance with planning permission and architectural services.

Absolutely fantastic service from start to finish. Online Architectural Services made the whole design process simple and stress-free. Their attention to detail and innovative ideas really stood out. I was impressed with how quickly they responded to queries and made revisions without any hassle. I wouldn’t hesitate to use their services again.

I've had the pleasure of working with Seema, who created and executed some incredible ideas for our floor plan reconfiguration and kitchen addition. She is a productive and considerate person who has fulfilled her commitments to produce everything on schedule. Seema, I appreciate all of your support. Online Architecture Services is a very skilled and knowledgeable company.

The level of communication, consideration, and knowledge we received from Online Architectural Services really impressed us. The group was amiable, dependable, and competent. They collaborated closely with us, assisting us with the planning and design phases as well as the hiring of structural engineers, quantity surveyors, party wall surveyors, and quantity surveyors, and preparing us for what will hopefully be a successful build.

We are very pleased with the service provided by Online Architectural Services. The procedure was clear at every step of the way. Nothing was too difficult, and we felt in command of our project. As a result, we thoroughly enjoyed the process and are enthusiastic about our project!

Just starting out with Online Architectural Services, and I'm already very impressed with their professionalism and services. We are excited to collaborate with them on our project because so far it has been a real pleasure! In addition, their price is very fair, especially in light of the potential contribution they can make to our project.

Online architecture services provide excellent service throughout and are very professional. They are the best providers of planning permission, so I am delighted and highly recommend them.

Fantastic service from start to finish. Architect Seema helped us bring our designs to life and assisted all the way to planning permission approval by the local council. Communication was always prompt and in a timely manner by WhatsApp or email. Premiums charged are fair and reasonable but ultimately the service provided is exceptional which is what matters the most. They also provide structural calculations and building regulations which we are looking forward to working with the team again.

Amazing 'pro-active' service. I have never had an architectural team who really listens, and also proposes out of the box ideas. Will 100% use again and recommend to others.

Great response, competitive prices and attentive customer service! Thank you

Online architectural services teams done my loft conversion for my house in Barking. I am very please used with the overall services . I would surely recommend them .

Positive, they gave me lots of advice on planning and how to go with my application. Highly recommend it

I used online architectural services (Arch Studio) for my side and rear double storey extension. Last week I have received the confirmation planning permission from the council. There are some few complications from council side, but Seema and her team worked so hard whole team was friendly and cooperative.

have received a great service from Seema and the team, very knowledgeable and professional about my planning needs, very thorough and detailed with all their explanation with my project and keeping me informed along the way, all within time and very good value for the level of service - highly recommend them.

Very professional Good company!

Very professional company,they doing for my single store extension in addlestone and I’m very happy , Highly recommended!!!

Good company, I highly recommend.

I have received a great service from Seema and the team at OAS London, very knowledgeable and professional about my planning needs, very thorough and detailed with all their explanation with my project and keeping me informed along the way, all within time and very good value for the level of service - highly recommended.

Very fast and work efficient. Maintained the original deadline, though I have changed my mind about the drawings couple times but the team worked hard and provided revision within 24h. The whole process of site survey to submission took 10days. They also provided some furnitures and work units within the floor plan which makes it easy to understand more like Zoopla floor plans. Also their prices where reasonable out of other quotations that I have received. So would definitely recommend them!

Seema has been really helpful throughout the planning application process. The team who visited were polite and meticulous in getting the details for the design work. I also hustled Seema quite a lot and the planning officer requested several changes to the drawings; throughout this process Seema was calm and responded in good time leading to a successful application. The whole exercise was cost effective too. I would highly recommend OAS.

I did used them to prepare my drawings for my kitchen extension . The team were excellent throughout the process.

Excellent service 👍👌

Quick, reliable, innovative and friendly team . I Will recommend them to my friends and family .

I used online architectural services for my loft conversion . They submitted my planning application in 7 workings days as promised . There whole team was friendly and cooperative during the procedure.

I have been working with OAS Architecture London for over a year and have always received excellent service. As a building contractor, it is vital to my line of work to be able to communicate with the architects, receive a quick and efficient service along.