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Planning Permission in Southfields

Planning permission for houses based in the SW18 area. A7 Architects specialise in measured drawings, Planning applications, Building Regulations, Party Wall Agreements & Builder referral. We can get started on the drawings today!

Upward Extensions Permitted Development - August 2020

A new permitted development right has been introduced since the 1st August 2020 that allows up to two additional storeys on an existing flatted residential building. To qualify, the building must have been constructed between 1st July 1948 - 5th March 2018. To qualify buildings must be:

  • Free Standing and purpose built as flats.
  • Three storeys or above
  • Including any extensions, no taller than 30 metres.
  • Floor to ceiling heights must not exceed those of the existing building or 3 metres in height.


  • Heritage buildings, Grade listed buildings or land within its curtilage.
  • Statues / monuments. Scheduled monuments or land within its curtilage
  • Natural reserves & sites of special scientific interest.
  • Dangerous sites & areas with safety hazards
  • Land within 3 kilometres of the perimeter of an airfield.
What is needed to submit an application?

The legislation sets out the requirements in terms of what needs to be submitted to the Local Authority. Architect7 can help building owners understand the planning policies around upward extensions and can submit Permitted Development applications.

How much do architects charge?

On average, a traditional practice will charge between 5% - 10% of the project cost.

This is the full amount that you will expect to pay. Throughout the whole build. Even the communication and support is included in the architects fees for any project from drawings to build completion.

For instance, if you are planning on building a 5 meter rear extension & kitchen renovation in London and your project costs £80,000 overall, you may find that with a traditional practice, expect to budget between £4000 and £8000 for your architect.

However before you commit to any build work measured drawings & planning permission applications will only cost you around the £1450 mark. Now, if this is your first time remodelling a home, it can be difficult to work out these costs upfront. After all, what’s 10% of a budget you haven’t decided on yet?.

Building Regulations / Building Control

The local authority is obliged to make sure that the standard of building work in their borough complies with Building Regulations. Architect 7 have built up communication history with the Building Control Department in the Southfields authority such that we already have a precursor to what plans are likely to pass eve before the application is submitted.
Building Control applications are submitted to the council together with a fee. The amount is usually based upon the scale of the build.

Basement Planning Architects in Southfields

Planning authorities have tightened their restrictions on basements and require additional information with any basement application. However many people are surprised to learn that planning permission for basements can still be easier than for some other types of project. This is because a basement will have no impact on the appearance of the house above ground, and a basement does not create overlooking or affect a neighbour’s amenity directly. In fact, if the basement is just under the house (not the front or rear garden) it can even be Permitted Development. To satisfy the planning department a well written Basement Impact Assessment will need to be submitted as part of the planning application.

New Build Architects

Each building design should have a unique project trail from the background and initial brief through to moodboard and presenting options through to the finished scheme and architecture drawing. London architecture is being tastefully refined by new housing developments. For more detailed information on modern house design.

House Extension Architects near

A house extension is the most popular method of adding space to a your house. The demand for house extensions throughout the UK shows no sign of slowing, and as one of the best residential architects in London and the surrounding area, our team have helped hundreds of clients transform ther living spaces into larger brighter spaces they can be proud of.

New Builds

A7 Architects have been involved with many new build flat developments in and around London. The combined knowledge of our architects allows us to easily overcome the planning and building regulations which enables plans going on to completion.

What are the main checks A7 Perform?
  • A feasibility analysis to determine if flats will work financially.
  • Are there flats on the street already?
  • Is there enough space for parking?
  • Is there enough space to meet minimum flat sizes?

Get Drawings & Application Done


House Extension Architects in North London

Expanding your London house does not only give you more liveable dwelling space, but it also increases the monetary value of your property. We have been serving clients up and down the country for many years.
In this time, we have completed a number of bespoke house extensions, including rear, side return, wrap around and kitchen extensions. At Architect7 we pride ourselves to perform the due diligence to connect with trusted and verified construction teams. Our aquaintance with experienced builders give you that hassle-free start to finish approach to expanding your living space.

Commercial Developments

Commercial Architectural Services

Commercial Developments most often involve reconfiguring the internal layout of the property. There are however still sums of jobs that involve extending floor space to increasing the build footprint. These can be setups such as Bed & Breakfast's & Restaurants to increase customer capacity.
Architect7's main approach is to to balance architectural creativity with future ROI. Our aim is to work in closely with you to ensure that we clearly understand what your investment purposes are and help you deliver the outcome you want from you commercial property. A7 was worked on plans fron clients in the private, corporate and public sector.

Loft Conversion Architects

A7 are very experienced in using both Planning and Permitted Development rights to help clients achieve some truly bold design projects for their planned loft conversion. We involve the client on all outcomes in consideration of structural engineering, materials, maintenance and many other key factors that come into play when it comes down to having a successful planning approval. We help our clients understand what is the allowable right to the limit based on their own projection before incorporating our on knowhow to allow the build to follow permitted Development rights.

We show all possible options & variations in plan, and when all is agreed we will submit your plans on your belhalf and provide an ongoing consultation during the project build.

Builder follow on service

We can link you up to the best value builders & most trusted contractors right for your house, most likely it is between two / three that we work closely with.

A7 Will show you the projects of the contractors who we work with this way you have an angle in to the standard of what you will be getting. The flow from A7 to the builders will be seemless as we have prior experience of how it will be handled.

Building Regulations / Building Control


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House Remodelling Architects

We work with RIBA chartered architects who have extensive experience working in the conversion of basements, as well as constructing modern extensions and additional storeys. We work closely with the local Planning Authorities in London and pride ourselves in obtaining all permissions approved on time.

Our comprehensive approach delivers the finest results that are truly individual, transforming your ideas into breathtaking spaces.

Typically, we like to arrange an on-site visit to understand your vision, and get a feel of the space we will be transforming.
We then go back to the drawing board and provide you with a couple of initial draft ideas.

We are confident we can provide you with the experience, insights & professionalism to realise your unique vision.

If this sounds of interest, you can request a free consultation and we will get in touch to discuss your project.

Commercial Building Design Architects

Your initial site visit

We provide professional advice you need to fully understand the scope and viability of your project so you can move forward with confidence and knowledge.

The perfect turnkey solution for residential & commercial builds

St Johns Wood

St Johns Wood project

Orlando Road SW4

Orlando Road Project

Angel Islington N1

Islington Project

Chisenhale Road, Bow

House Project in Bow

Kings Walk SW1E

Kings Gate Penthouse Project

Rainsborough, South East London

Rainsborough Road Project


Drop us a line

Architect 7 LTD
20-22 Wenlock Road
N1 7GU
United Kingdom

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Scale the most adventurous design projects with Architect7

A7 Architects are a professional team that will help you realise your ideal dwelling for either residential or commercial purposes.

Client projects range from

  • Residential House Conversions & Extensions
  • Bars, clubs & drinking establishments
  • Restautant & Eateries
  • Multi build flats
View Our Projects

We examine your options to give you the most appropriate advice and detailed information on costs and timescales.

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For help with your project…

Call or email now to discuss.


0333 772 7253

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Fill in your details below for us. We will get back to you with a quote on gaining permission on your proposed plans.

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