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Design Spec Ltd. logo

Design Spec Ltd.

Westcliff-on-Sea, Southend-on-Sea, Essex

Design Spec Ltd. logo

Design Spec Ltd.

Westcliff-on-Sea, Southend-on-Sea, Essex



Here at Design Spec Ltd, we pride ourselves on our Fixed Fee Architecture and our OneStopPropertyShop covering everything that requires Planning Permission, Building Control Approval or even building works!

At Design Spec Ltd. we are best known for our Fixed Fee Solutions, our unlimited Preliminary Design Stage of works and 1 to 1 Management as standard.


Reviews (25)

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Alison Cox

26 August 2019

Have worked with the Design Spec team to develop plans for an upgrade to my home - input received on my initial plans has avoided me making some, potentially, costly choices. However the team have been very happy and responsive to include my wishes and ideas as the design developed - planning permission now received - Just need to find the right builder and let the work commence! More...


Juliet Barrable

19 August 2019

Absolutely delighted we chose Design Spec, they’ve made everything so easy, I can’t praise them enough. Kieron has been very friendly and helpful. I couldn’t ask for more. I would highly recommend. . More...



14 August 2019

The services Kieron and his guys provide is outstanding. Their one-off payment is very convenient and simple for every thing from a customised 1 to 1 design consultation, planning, applications to BC, following up and communication/ feedback is excellent. Very friendly and professional services. I will recommend them anytime and go back myself for phase 2 the project. Yet to complete the fish tank though !! More...


Emma Farrand

29 April 2019

James & Kieron were amazing! Very professional and produced results in such a short space of time. They are very attentive and very friendly and I would 100% recommend them!!!


Luke durrant

30 December 2018

I have worked very closely with Design Spec for many years now and the service and quality of drawings is incredible. I used them for my own home and the result was nothing less than brilliant, best group I have used across the industry.


Peter Halls

30 December 2018

Very happy with James and his colleagues .
Very helpful and knowledgeable team
Will definitely be using his services again


James Dove

30 December 2018

James and the team have been a brilliant help, they have been very professional and I would certainly recommend them to other professionals in need of a good architect and planning team.



6 December 2018

Very happy with James and his colleagues.
Always helpful and knowledgeable.
Will definitely be using his services again.
Anyone thinking about development should contact james


Lee Coote

4 November 2018

My company have worked to Design Spec's architectural layouts over the years on various projects, their drawings, notes and availability have helped our installations run smoothly from the first day on site right up to handover.

Due to their professional approach and attention to detail in the p...


Christine White

1 November 2018

Design Spec were thoroughly professional throughout the planning stage of our project and any queries were dealt with quickly and efficiently.

Unfortunately our project has had to be put on ice for the moment so I can't post any pictures of the work as it hasn't started.


Daniel Barrow

31 October 2018

Very professional service. Our Loft conversion plans were done within timescales promised with little amendments needed. Overall I would highly recommend James and Design Spec for your project. More...



17 June 2018

James provided an outstanding service. He was very understanding, professional and polite, hemade the whole design and planning process a breeze, he made sure we was kept up to date at all times. We found his prices to be very competitive and would have no hesitation in recommending him. More...


Matt Savill

29 May 2018

Needed some design plans made up and was guided to James at DesignSpec. So glad I was. Couldn’t be happier with the work and very reasonably priced. Would highly recommend this company. Thank you James for all your help. More...


LT Properties

29 May 2018

James is a fantastic young architect. He has done several plans for me at very reasonable prices. Anyone looking to build anything should get in touch with James.


Sam Mawdsley

11 April 2018

James has been great as we hired him to take over form another designer who really was not listening to what we wanted! James got on board very quickly to what we were looking to design and the type of vision we had. His design is now in build and it looks amazing so far, I wouldn't hesitate to us... More...


sharon kilcast

10 April 2018

Excellent service. James was really helpful, his designs were excellent and planning was really easy. I would definitely recommend Design Spec


annie felstead

2 April 2018

Design spec was recommended to us for a kitchen extension. We found them to be helpful, quick to respond and available for any of our questions, we'd certainly recommend!


HDRM Engineering

12 March 2018

We have worked on few jobs with James by now and he's always been of an extreme value to our team of professionals, both as an Architect and Project Manager. He's friendly, reliable, creative and always offers prompt and good advice. We can only hope to have more young people in the industry engaging in the way James does. Well, well done! More...


Pete and Jane Herriott

30 July 2017

Excellent service that we wouldn’t hesitate to recommend. James came to us on recommendation and certainly lived up to his reputation. James was always courteous and professional. He listened to our ideas and made suggestions, many of which were incorporated into our final design. He guided us throu... More...


Braymont UK Your Digital Scale Experts

17 July 2017

James was recommended to us, and we're glad we used his services. He was great from start to finish, and didnt give up until we were happy. James even supplied extra copies of Plans to builders, and was always forthcoming with helpful advice.
James submitted all necessary Planning paperwork, and ma...


toby marsden

11 July 2017

James has done several jobs for us. I find James to be friendly genuine and professional. He has a great future in this industry and have no hesitation forwarding him to anyone as he will be a big asset to anyones projects



10 July 2017

We hired James to design our loft conversion. We we're looking for someone to give us design ideas which we couldn't think of ourselves and this is what he delivered. I found him thorough, very knowledgable and professional. Drawings are of excellent quality. More...


andy gunn

18 May 2016

Great team to work with - very approachable and receptive to ideas and design changes, really responsive and deeply knowledgeable - very comfortable sitting there on a Saturday morning discussing design themes over a coffee - it's how house design should be done



26 April 2016

I have worked with James for a good while to evolve a two storey two bedroom chalet
design on a difficult plot. The deign was completed totally to my satisfaction and I am indebted to James for his ability to come up with the goods!
James listens and suggests also comes up with excellent ideas. He...



15 April 2016

Extremely pleased with the service we received from James at New World Designers Ltd. He couldn't have been more helpful, visiting us on numerous occasions to discuss what we wanted, offering ideas and suggestions and saying what was or wasn't possible. He also kept in regular contact throughout the... More...

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Garage conversions are a very cost-effective way to add space to your home, there are also very few hurdles involved!

Provided you have Permitted Development Rights at your address, you can simply apply for Building Control approval for your garage conversion.

Did you know garage conversions provide the highest ROI in any property investment... Fact!

A garage conversion must commence with a site survey, with this survey, we can prepare your initial preliminary plans. These plans can be used for obtaining simple budgets but can also be used as the template for your Structural Calculations and Building Control package.

Once a design has been agreed with the client, we will work to fulfil a complete Building Control standard plan and submit your application to the designated Building Control Authority.

We have partnerships with Structural Engineers and Building Control Authorities to ensure the smoothest and most cost-effective solution for your proposal.

Height. It is important to have at least 2.1m head height within your finished loft conversion. If your existing loft is 2.3m - 2.4m then consider the new floor joists, flat roof joists etc. when calculating your final head height.

Sometimes we can lower the ceilings in the rooms below, however, this can be a very costly solution if you are not planning to completely renovate the floors below.

We offer a free initial consultation to iron out any of these potential pitfalls on day one!

We start with your site survey, these details help us to build your initial preliminary plans and are used to work with you on your internal and external designs.

Once a design has been produced and agreed you will require Structural Calculations, we have many companies that we work with daily, providing the most competitive rates and best timescales.

Once the calculations and your final plans have been produced, we can submit your Building Control Application and/or your Certificate of Lawfulness for your works!

Our quotations provide a fixed fee solution to get you from A-Z.

We are fully insured to carry out all of our work, we also present our current policy details on our website!

We love the finished photos, we have built our company on positive feedback and customer satisfaction, allowing us to revisit our projects on completion to take lots of great photos!

In today's age, none of us will work with a company that does not have 5-star reviews, we carry our reviews with pride!

We do not agree with the standard way of running a design business. We have abolished percentage fees, travel expense, disbursements, hourly rates, paper copy charges etc.

The fact we could offer a fixed fee solution to all of our clients is the true reason for forming Design Spec Ltd.

Fixed fee solutions. As well as this, we offer a free consultation, free quotations, 1 to 1 management and our unlimited 'Preliminary Design Stage' of works as standard!

We can also set up private Houzz and Pinterest folders fully inclusive for all fo our clients!

Start your project by contacting us today.


We offer fixed fee architecture, 1 to 1 management and an unlimited 'Preliminary Design Stage' as a standard with all of our quotations. We also offer a free initial site meeting and free quotations for all of our work! Our company is built on one simple fact 'The average UK Citizen extends their home ONCE in their lifetime'. Contact us today to get your project started.