Residential Extension Architects Kent and East Sussex

Do you feel that you don’t have enough space, or that your house is a little outdated and isn’t working for you and your family? Do you need more living area, extra bedrooms, additional bathrooms or home office space? Perhaps your family is growing, you have a relative that will be living with you, or you now need to work from home? 


jhd Architects can evaluate the possibilities to expand your home and collaborate closely with you to develop your home extension design. We’ll help to create a residential extension that’s spacious, light, bright, functional and aesthetically pleasing. As residential extension specialist architects, we are experienced at creating beautifully designed extensions to unlock the full potential of your property.

Don't move - improve! See our top tips to design your perfect extension. Our work as architects generally involves extensions to create superb family spaces with lots of light and direct connections to the garden. We incorporate plenty of storage and features like vaulted ceilings and even basements.

Camber Sands Beach View

Camber Sands

Beach View


The view of the beach was marred by poor quality timber windows with very large frames. We used a specialist company we have worked with many times to make new glazing with minimal frames to maximise the beach view. We also created a glass box extension that picks the view of a distant headland.


Our work as Architects generally involves extensions to create superb family spaces with lots of light and direct connections to the garden. We incorporate plenty of storage, features like vaulted ceilings and even basements

Sevenoaks Seamless Extension


Seamless Extension

We added a two storey side extension that seamlessly matches the existing and a full width garden extension to make the connection from the Kitchen Family area to the garden terrace.

Front Entrance

Tunbridge Wells

House Transformation

A couple approached us to redesign their 1980’s house in Tunbridge Wells which is on on a lovely plot tucked away next to woodland within walking distance of the station. It was too small and needed a family extension and complete renovation.

We have added two new bedrooms as a first floor extension and created a large kitchen and family area with a high vaulted ceiling that includes a south facing light scoop. 

Wittersham Ridgetop Extension


Ridgetop Extension

This cottage had been extended several times before in a rather haphazard way. We filled in the centre of the building with an extension that brings together the whole floor plan and also connects to the garden and the view over the valley.

Penshurst Family Extension in Greenbelt


Family Extension in Greenbelt

This 1950’s house needs complete renovation and replanning. Our design created much larger internal family space and extra bedrooms. We also changed the style with new windows, roof and wall finishes. Negotiations to maximise the extension area succeeded despite the strict Greenbelt rules.

Tenterden Granny Annexe

Tenterden Granny Annexe

Annexe for Elderly Parents

The client wanted an annexe where elderly parents could live independently but with help on hand from the family if required. Our design creates a shared glazed entrance that connects the two buildings but allows independent living in the annexe which has its own living room, kitchen and bathroom.

Contemporary Addition to Victorian Villa


Contemporary Addition to Victorian Villa

Extending a single storey Victorian cottage with a strong character can be tricky. Our bold solution adds a two storey and with large open plan Kitchen Family space and much better sized bedrooms.

Coulsdon Rear Elevation.jpeg


Garden Space Integrated With House Design

Our clients bought a house that hadn’t been touched for many years and needed complete renovation. The garden was a key feature and although we don’t design gardens, our projects always respond to the possibilities of garden design right from the start. Our design integrates the garden as an external space into the overall house design.

Westerham Artists Studio


Artists Studio

An artist asked us to design a radical studio extension to an existing house. Our design creates a flexible studio space overlooking the garden with a Utility Room below. It’s a real shame this was never built.

Family Holiday Home Transformed

Spanish Renovation

Family Holiday Home Transformed

Open plan spaces to entertain a large extended family and friends in a contemporary style

Why would you need a home extension from jhd Architects?


  • To create more space

  • To make your home more enjoyable to live in

  • You love where you live and want to stay

  • Avoid the costs and stress associated with moving

  • Add more value to your home


Just as your life changes and evolves, your home needs to grow and adapt to suit. Whether you want to extend by building an open plan living space, a kitchen extension, extra bedrooms, an office for home working, add a conservatory or orangery, or convert your loft or basement, jhd Architects will be working with you to manage all stages of the home extension design and building process.

RIBA chartered architects for your home extension project

Your extension, whether single or double storey, will be a modern contemporary design that complements and enhances the character of the existing building and will also connect the interior and exterior spaces to make best use of the garden, sunlight and views.

Why choose jhd Architects for your residential extension?

  • Innovative individual bespoke designs for your changing needs

  • A track record of successful planning applications

  • All aspects of design from conception to completion

  • 3D graphic images for virtual representation

  • Site specific recommendations 

  • Spacious, light filled beautiful extensions

  • Seamless merging of the outside with the inside of your property


By choosing jhd Architects to design your home extension, you will be working with architects who can balance your current and future requirements, your design aspirations and your budget to give you an individual bespoke design. We will give you a realistic appraisal of the costs so that you can be sure it's a good long term investment.

Extension design and build architects in Kent and Sussex

With jhd Architects, you will be extending your home with experienced architects who have a broad portfolio of architectural projects including listed building extensions, period properties and contemporary homes.

If you want to maximise the full potential of your house and to work with home extension architects who can deliver exceptional architectural quality, call us on 01892 231172.

‘Design Magic’ from jhd Architects throughout Kent and Sussex