English Consulting Engineers

tel:+4407494549661

English Consulting Engineers

Rear Extension

Building Extensions

One of the most popular ways to upsize is to build an extension. English Consulting Engineers provides the drawings and calculations for all elements of the building extension build from the foundations through to the roof. Our structural information complies with Building Control requirements and can be submitted to the local authority.

Looking for a free quote?

Drop us a line and we will aim to get back you within 24 hours

Do I need planning permission for my extension?

In the UK, permitted development rights allow householders to make alterations and extensions to their properties without the need to go through a full planning application. The allowable size of the extension is dependent on the property being extended. For a detached house the extension can extend 4m from the rear of the property and for semi-detached and detached houses it can extend 3m from the rear of the property.If applying for prior approval this can be increased to 8 and 6m respectively.

Do bear in mind that the above is a guideline only and an over-simplification of the rules. There are a number of requirements that have to be met to qualify for permitted development rights and if the criteria are not met then a full planning application has to be made. English Consulting Engineers Ltd will guide you through this complex process and advise if your project qualifies under permitted development rights.

At English Consulting Engineers we advise on applying for a lawful development certificate to confirm that the proposed works up to the point of construction are approved by the local authority which can be given to future buyers to tell them that all alterations to the property have been legally made. Works can start safe in the knowledge that they are not in breach of any planning laws.Future buyers may wish to see evidence of compliance for house alterations where full planning permission was not required.

Do I need an architect for a small extension?

Whilst there is no legal requirement to use an architect to produce and submit planning applications and drawings, appointing an architect should be considered. Their main focus is on the aesthetic and spatial awareness of the property therefore it is recommended to involve an architect for more complex projects. They can produce concepts which can be developed into detailed drawings and ensure that the project will be designed to the latest building regulation requirements.

At English Consulting Engineers we produce drawings for planning permission approval.

Chartered Engineers

We are a forward thinking chartered engineers consultancy operating in South West London.

Fully Insured

We are fully insured, guaranteeing a safe and reliable project completion.

Experienced Professionals

20+ years experience operating internationally and in the UK.

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I’ve had a fantastic experience with James at ECE. He conducted a building survey for me which was very thorough and professional. Special thanks for his helpfulness to my many follow up questions. I will be sure to use ECE in the future.
Jack Walker
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English Consulting Engineers provided a professional and detailed service at short notice. James was incredibly knowledgeable, listened to what we needed, offered honest guidance and conducted a thorough investigation of our two properties followed up by same day reports sent to us…FANTASTIC.

If you need professional, effective conveyancing support, are looking for an efficient/speedy service and great value for money look no further than ECE.

We will definitely be using James/ECE again for our personal and business needs.
The fact ECE are local was a huge selling point for us as we knew we would get a personal service. Overall we highly recommend ECE and would work with them again in a heartbeat!
Ricky Horner
Horner Homes Group Ltd
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A lovely, pleasant experience. We reached out to James as a recommendation by our estate agent for being the local expert on the Southfield properties, especially on the grid. Contacting James was effortless with clear and quick communication. We asked for a survey to be completed with an immediate and a future-planning perspective. After securing the time for the survey James made a curtesy call to talk through his findings ahead of the report being available. This was really helpful as it gave immediate reassurance and an opportunity to ask questions in real-time. I would recommend James to anyone looking for a structural engineer in the SW area. Thank you, James!
Alya Gutnikova
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James was very helpful and responsive when dealing with our building concerns.
Jenni Spargo
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James was responsive, quick and very knowledgeable. He promptly delivered our structural report which was detailed and clesrly addressed all the issues on which we wanted clarification. Would definitely go through James for future projects!
Sarah Collier
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James came to do an inspection on an internal wall to see if it was structural as well as provide drawings for the new layout. He was super friendly, very efficient and the drawings were just what I needed. Would fully recommend!
Natasha Sandars
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James took the time to understand our requirements fully and came up with a couple of options to meet these. Good communication throughout and did what did said he would do.
Heather Niven
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James helped us with a structural issue investigation on a property we are looking to buy. Definitely recommend.
- Alexios Papakonstantinou
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James was brilliant at turning round our plans quickly as requested and was on hand to discuss all queries and questions for me as a complete reno novice! The level of service was excellent and very fairly priced compared to other quotes I received. Thank you!
- Henni Bateman Williams
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We employed James to inspect some internal/external cracks to our property. He was very knowledgeable, easy to talk to and spent nearly two hours at our property. He put us at ease about the problem and listened carefully to what we had to say. He produced a report just two days after his visit. I would definitely recommend him.
- Silvana Riccio
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James did an excellent and very thorough survey - nearly 5 hours - of our somewhat lived in, but much loved old (1904) pile. I found his rating system of "3-serious/urgent, 2-not serious/urgent, 1-otherwise Ok", made very helpful, though depressing (we have a lot of 3s) reading. Would definitely use his services again.
- Aidan Magill
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James was great. He was very helpful, gave us sound advice and was quick in all comms. Would definitely recommend!
- Oz Osbaldeston
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Fantastic service. We had a specific question we need answering and English Consulting Engineers did an extremely thorough assessment and gave us a clear answer. I cannot recommend them enough.
- Sam Shribman
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We asked James to do some initial work to assess whether we could extend our property using the existing ground floor structure. James was very responsive and came back to us quickly with what we needed at a reasonable cost.
- Tom & Helen Cadwaladr
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Excellent & fast service! As first-time buyers we were keen to move quickly so were looking for a company who could undertake our survey quickly and would be responsive to our needs and questions. ECE went above and beyond to make us feel comfortable, the communication was clear and the turnaround time of the homebuyers survey was outstanding. 5 star, we will use ECE for all future needs.
- Ekaterina Steube
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ECE helped us to start our major renovation project by providing us with fast and accurate calculations necessary to remove a wall in our house and create a large open plan space. James took us through the process step by step, no question was left unanswered which meant there were no surprises, just as we had hoped.

The fact ECE are local was a huge selling point for us as we knew we would get a personal service. Overall we highly recommend ECE and would work with them again in a heartbeat!
- Kelvin Pearson
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Looking for a free quote?

Drop us a line and we will aim to get back you within 24 hours