We offer specialist planning services, navigating the complexities of the system delivering clearly articulated solutions.

Unparalleled expertise

We are accomplished planning advisors with a sound understanding of the planning system.  Our team is formed of ex-public sector and commercial planners offering a broad spectrum of knowledge and advice.  We are highly skilled in site appraisals and assessing development potential, informing our planning approach to ensure the best prospects for success through the planning system.

Excellent success rate

We are proud of our consistent successes achieving positive outcomes for our clients whilst maintaining our relationships with key stakeholders in the process.

One step ahead

Our planning team is skilled in its ability to manage all aspects through the planning process by effective communication and negotiation.  As Members of the RTPI we have established a strong position within the profession and property sector to provide our clients with forward thinking solutions to the ever-changing planning landscape.

Complex sites

Being located close to the South Downs National Park, Chichester Harbour Area of Outstanding Natural Beauty and a wealth of Conservation Areas our Practice is well versed in successfully achieving meaningful and high-quality consents within sensitive landscapes and built environments.


We are passionate about planning; we enjoy collaborating with all involved and realising our clients’ vision for their sites and homes. We have developed a reputation for our ability to apply our expertise and specialisms across a variety of property and land projects.


Our Services

Our breadth of expertise means we are able to provide clients with a full offering of Town and Country Planning services. These include:

Site appraisals
Planning applications
Strategic planning including land promotion
Neighbourhood planning
Permitted development
Lawful development certificates
Householder extensions and alterations
Commercial and mixed use
Brownfield -PDL
Greenfield and green belt
Conservation and heritage
National Parks and areas of outstanding beauty
Public consultation
Minerals and waste

What people say

Shopland Gray Developments
Daniel Gray
Smith Simmons have been integral to multiple successfully granted planning consents for us. Their planning knowledge, strategy & design work have been outstanding...
Private client
Mark Stanton
We are delighted with the design that Smith Simmons & Partners have developed for our refurbishment. With their support, planning sailed through too. We can’t wait to start building.
Private Client
Pete Smithers
SSP's track record & discussions with the planning team reaffirmed our research that they would be the best architect to achieve our goals on our site, we would strongly recommend SSP.
Private client
Louise Winterbotham
Our planning success would undoubtedly not have been achieved without the adaptive and strategic approach of Kerry and the team at Smith Simmons & Partners.
Private client
Alastair Strange
We used Smith Simmons to design and gain planning for works on our Grade II listed Farmhouse. Karo was excellent throughout, really listening to the brief and helped us put a modern twist on our property.
Junnell Homes
Edward Elliot
SSP are continually focused on the detail and making sure they convey that detail to all of the stakeholders involved, planning officers, parish councils and local residents alike.
Rawleigh Property
Miles Heaver
Ben is straight forward and easy to deal with. He takes a pro-active approach to solving any problem and always does what he says he is going to do. There is not much more that you can ask!
77 Property Group
Antony Payne
We have used Kerry to lead our planning campaigns for over 16 years, which should be testament in itself. During this time we have worked with her, across a diverse range of developments.

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