Interior Design Services

Interiors Designed With the Architecture, Not After It. Sussex & Surrey.

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Why Sussex Homeowners Choose ArchEvolve for Interior Design

Interior design that is considered alongside the architectural design, rather than added afterwards, produces spaces that genuinely work. ArchEvolve is MCIAT-chartered with 15 years of experience.

      
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   9 Google reviews 
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   Jonathan Gilbert 
 
 
 
 Trustindex verifies that the original source of the review is Google. I would highly recommend Alex and his company. He has amazing suggestions as well as taking into account our preferences and ideas too. He is easily accessible and has been so helpful in answering all our many questions! Looking forward to seeing our vision come to life!
  
 
      Posted on Google  
   
   James Riley 
 
 
 
 Trustindex verifies that the original source of the review is Google. Alex was really helpful throughout the whole process. This was our first ever project like this and he was on hand to answer MANY questions!
  
 
      Posted on Google  
   
   Nick Rutter 
 
 
 
 Trustindex verifies that the original source of the review is Google. Alex was so helpful from start to finish, great communication throughout. Would strongly recommend and will definitely use their services again in the future!
  
 
      Posted on Google  
   
   arron tully 
 
 
 
 Trustindex verifies that the original source of the review is Google. Alex at Arch Evolve assisted with obtaining planning permission for a couple of extensions that we were intending on doing. Very professional and offered allot of very helpful advice. Very Happy Thank you.
  
 
      Posted on Google  
   
   Marcus Eaton 
 
 
 
 Trustindex verifies that the original source of the review is Google. I have worked with Alex on many projects over the years and he has always been brilliant! Looking forward to working together again soon. Very professional and smooth process throughout the whole process.
  
 
      Posted on Google  
   
   Charlotte Morley 
 
 
 
 Trustindex verifies that the original source of the review is Google. Archevolve has completed a number of plans for us due to changing my mind regularly. They have been consistently patient & listened to my requirements at all time. Alex has then been on hand for our builders if required. Fantastic company & highly recommended
  
 
      Posted on Google  
   
   Peter Proto 
 
 
 
 Trustindex verifies that the original source of the review is Google. Used Alex for our large project, loft conversion, side garage and rear extension. Unbelievable service from start to finish. We are over the moon with the finish. Thank you so much!!
  
 
      Posted on Google  
   
   Tony Maio 
 
 
 
 Trustindex verifies that the original source of the review is Google. Great service, they had an excellent understanding of my requirements. They applied great attention to detail, with a  fast and very efficient service together very reasonable costs. I highly recommend this firm.

Our services

Interior Design Alongside Related Services

Interior design delivers the strongest results when combined with structural or spatial change. It pairs naturally with a full house refurbishment, a kitchen extension, or a loft conversion. For inspiration on making the most of existing space, read our guide to smart architecture for small spaces.

Completed rear extension at Oldfield Crescent

17 services · Sussex & Surrey

Residential

Extensions, conversions and whole-home projects for homeowners, with site visits across West Sussex, East Sussex and Surrey.

Extensions

House extensions Single storey extensions Double storey extensions Rear extensions Side return extensions Wrap around extensions Kitchen extensions Glass extensions

Conversions

Loft conversions Garage conversions Basement conversions Barn conversions

Whole home

House refurbishment Interior design Listed building design Self-build design Sustainable design

20 services · Nationwide

Developers & Commercial

Planning and technical design for developers and commercial clients across England.

Developer services

Design for developers Planning for developers Technical design for housing

Site & feasibility

Housing development feasibility Development site appraisals Residential masterplanning

Conversions

Commercial conversions Office to residential Flat conversions

Development types

New build schemes Residential developments Blocks of flats Infill housing Brownfield sites Affordable housing Mixed-use developments Care homes Student accommodation HMOs Rooftop developments

3D visualisation of a rear extension design

15 services · Homeowners and developers

Planning & Drawings

From the first feasibility check to construction drawings, in the order a project needs them.

01Feasibility & survey

Feasibility studies Measured building surveys Pre-application advice 3D visualisations

02Planning

Planning applications Planning drawings Permitted development Design and access statements Outline planning Reserved matters Discharge of conditions

03Technical & construction

Building regulations drawings Construction drawings Technical design for housing Contract administration

Interior Design: Where Aesthetics and Architecture Disconnect

Interior design that is treated as a separate, later-stage decision often clashes with the architecture underneath it. Structural openings, window positions and ceiling heights are decided during the architectural design phase, and interiors work best when planned alongside them, not after.

Common challenges

Interior schemes commissioned after the architecture is fixed
Lighting layouts that do not relate to how rooms are actually used
Material choices that clash with the existing building fabric
Storage solutions treated as an afterthought
Structural constraints only discovered once furniture is chosen
Designers with no architectural training working in isolation

How ArchEvolve solves them

Interior design considered from the earliest architectural stage
Lighting layouts developed around real room use and daily routines
Materials specified to complement the building's existing character
Storage integrated into the architectural design, not added later
One team managing both the architecture and the interior scheme
One team managing both the architecture and the interior scheme

How an ArchEvolve Project Works

Every project follows a clear, stage-by-stage process aligned with the RIBA Plan of Work framework.

Initial Consultation

We discuss your brief, site and budget for your interior design project, along with any planning constraints specific to your council. Free, no obligation.

Feasibility Assessment

We assess planning viability and site constraints before any design fees are committed. This includes understanding how each room is used day to day, not just how it should look.

Concept Design

We develop the interior design design in 3D and produce Enscape renders for your review before planning is prepared.

Planning Application

We prepare and submit the full application to your local planning authority and manage it through to decision.

Building Regulations

We produce the full Building Regulations package covering structure, thermal performance, drainage and fire safety. Interior alterations that involve structural openings or services changes are covered by the same Building Regulations package as the wider project.

Construction Drawings

We deliver the complete technical drawing set your contractor needs to build your interior design accurately on site.

Construction Support

We remain available during the build to respond to queries and issue drawing updates where required.

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Areas we cover

Proudly Serving Homeowners Across Sussex and Surrey

Residential projects across West Sussex, East Sussex and Surrey, with site visits and local planning knowledge. Developer and commercial projects are delivered across England.

3Counties

14Towns

UKDevelopers

Town not listed? Ask us

West Sussex11 towns

Storrington Worthing Horsham Chichester Crawley Littlehampton Bognor Regis Burgess Hill Steyning Findon Hassocks

East Sussex2 towns

Brighton Eastbourne

Surrey1 town

Guildford

Developer or commercial project outside Sussex?

We work across England →

A Different Standard of Design for Interior Design in Sussex and Surrey

Most practices in the region still work in 2D CAD. ArchEvolve designs interior design projects in Revit and renders in Enscape, so you see the finished space before planning is submitted.

3D Visualisations Included

Every interior design project is modelled in Revit and rendered in Enscape. You see accurate light, materials and spatial quality before a planning application goes in.

Faster Planning Submissions

Drawings produced in a coordinated 3D environment are more complete and less prone to officer queries, which keeps your interior design timeline on track.

Local Planning Knowledge

ArchEvolve has submitted interior design applications across West Sussex, East Sussex and Surrey planning authorities. Your submission is prepared for the specific council from day one.

End-to-End Service

From feasibility through to construction drawings, Alex Page manages every stage of your interior design project personally. No handoffs, no junior staff taking over mid-project.

Interior Design Across Sussex and Surrey

ArchEvolve provides architectural interior design for homeowners across the region, whether as a standalone service or alongside a wider project.

Interior design focuses on layout, materials, lighting and finishes within a space, while architectural design addresses the structure, planning and Building Regulations. ArchEvolve combines both, so decisions made during the architectural stage support the interior scheme rather than working against it.

Cosmetic interior design does not require planning permission. If the scheme involves removing structural walls or altering the layout significantly, Building Regulations approval is needed, which ArchEvolve prepares as part of a combined project.

Yes. Interior design is offered as a standalone service for homeowners who are not extending or altering the structure but want a considered scheme for their existing layout.

Every interior scheme is modelled in Revit and rendered in Enscape, so you can see materials, lighting and furniture layout accurately before committing to a specification, rather than relying on a mood board alone.

Yes, and this is where interior design adds the most value. Combining it with a kitchen extension or full refurbishment means the interior scheme is designed around the new architecture from day one.

The service covers space planning, materials and finishes specification, lighting design, and Revit and Enscape visualisation, delivered either standalone or integrated with a wider architectural project.

ArchEvolve covers West Sussex, East Sussex and Surrey, including Worthing, Horsham, Chichester, Crawley, Guildford and Brighton, with a free initial consultation offered throughout the region.

Frequently Asked Questions

Start Your Interior Design Project Today

Free initial consultation for homeowners across Sussex and Surrey. Get in touch to discuss your interior scheme.