07446 975052info@smartdevelopmentsltd.co.ukUnit 5, Enterprise House, Ashford TW15 1XG Mon–Fri 9am – 5pm - HomeAboutServices ArchitectureConstructionResidential New BuildsResidential RefurbishmentsResidential ExtensionsLoft ConversionsKitchen ExtensionsPlanning & Architectural DrawingsCommercial Refurbishments View all services Our WorkAreas SurreyLondonWest LondonSouth LondonMiddlesexBerkshireHertfordshireKentBuckinghamshireAshfordStaines-upon-ThamesSunbury-on-ThamesSheppertonChertseyEghamWeybridge View all areas ReviewsContact07446 975052Request an Estimate Call HomeAboutServicesOur WorkAreasReviewsContactServices ArchitectureConstructionResidential New BuildsResidential RefurbishmentsResidential ExtensionsLoft ConversionsKitchen ExtensionsPlanning & Architectural DrawingsCommercial Refurbishments Areas SurreyLondonWest LondonSouth LondonMiddlesexBerkshireHertfordshireKentBuckinghamshireAshfordStaines-upon-ThamesSunbury-on-ThamesSheppertonChertseyEghamWeybridge Call 07446 975052Request an Estimate Architecture & Construction Under One Roof # Design & BuildSpecialists Based inAshford, SurreyDesign & Build SpecialistsBased in Ashford, SurreyArchitecture, New Builds & Extensions across Surrey & West London One team from first sketch to final keys. Architecture, planning, building regulations and construction are all handled in-house, so you are never left coordinating an architect, an engineer and a builder who have never worked together. Get My Free Estimate07446 975052 Free design visit at your property - No obligation, and no deposit on architecture-only work - Speak directly to the team, Mon to Fri Rated 5.0 by 19+ clients on Google “Excellent team of people to work with. Really happy with their professionalism, the quality of their work & finish who we have found to be approachable and honest.”Anita Jayadev: Google review 5.0★ from 19+ Google reviews ARB registered architect £5m public liability 12-month defects period The Difference ## Most building projects failin the gaps between people. The usual route means hiring an architect, then a structural engineer, then a builder; three companies who have never met, each blaming the other when the drawings do not match what can actually be built. Every gap between them costs you weeks and money. We removed the gaps. Our architect is employed here. Our building staff are employed here. We coordinate the structural engineering through a trusted partner firm so you never have to manage that relationship. The person who drew it is in the same office as the person building it. How we work ### One point of contact From concept to keys you speak to the same team. No handovers, no finger-pointing. ### ARB registered architect In-house, full-time. Our director also holds a degree in architecture. ### We project-manage the lot Structural engineers, trades, building control and material selection: coordinated by us. ### Trade discounts passed on We help you select materials and secure trade pricing where we can. ### You always know where the money is Valuation-based staged payments, assessed every few weeks against work actually completed. ### Trusted, regular trades The same electricians and plumbers job after job: never ad hoc hires. What We Do ## Residential and commercialdesign and build services All services ### Architecture ARB-registered, in-house architecture from first sketch to Stage 4 technical drawings: available on its own or as part of a full build. Read more ### Construction Directly employed building staff and long-standing subcontract teams, running under a JCT contract with valuation-based staged payments. Read more ### Residential New Builds Full ground-up private homes for individual clients and property developers, with NHBC or LABC warranty as standard. Read more ### Residential Refurbishments Whole-house renovations, basements and period property work, including listed schemes such as our recent Grade II project in Notting Hill. Read more ### Residential Extensions Single and double storey, side return and wrap-around extensions, designed and built by the same team. Read more ### Loft Conversions Additional bedrooms and bathrooms carved out of existing roof space, taken through planning and building regulations for you. Read more ### Kitchen Extensions Open-plan kitchen and dining spaces, with help selecting materials and access to our trade discounts. Read more ### Planning & Architectural Drawings Full planning applications, building regulations packages and technical drawings; the standalone service that makes up around 75% of our work. Read more ### Commercial Refurbishments Office fit-outs, restaurants, retail units and schools, delivered with the same single point of contact. Read more Latest Work ## Recent works from our sites Site progress, finished spaces and drawings in development. View all work - @smart_developments_ltd How It Works ## Five stages, one company,no gaps in between 01 ### Free design consultation We visit your property in person wherever possible, understand what you want the space to do, and tell you honestly what is achievable. - 02 ### Concept & scheme design Our in-house ARB registered architect develops the scheme with you until the drawings match the home you had in mind. - 03 ### Planning & building regs We prepare and submit the full planning application, the building regulations package and the Stage 4 technical drawings. - 04 ### Construction The same company builds it. We coordinate the structural engineer, run the trades and manage the programme under a JCT contract. - 05 ### Handover & 12-month defects You get sign-off, your warranty documents, and a 12-month defects period as standard on every build. Cover & Credentials ## Properly insured,properly contracted Every construction project runs under a JCT contract with a 12-month defects period as standard. New builds carry an NHBC or LABC structural warranty, and that warranty is available on other project types at your discretion. There is no deposit on architecture-only work. £5mPublic liability £10mEmployers' liability £1mProfessional indemnity 12 monthsDefects period on all builds 5.0★Google rating from 19+ reviews 75%Of our work is architecture Architectural services delivered for - - - - - - - - - - - - - - - - Client Reviews ## Rated 5.0 on Google Leave a review Where We Work ## Surrey, West Londonand the surrounding counties Based in Ashford, we work across Surrey and West London and out into the neighbouring counties. If your property sits just outside the list, call us; we will tell you straight away whether we can take it on. 07446 975052 SurreyLondonWest LondonSouth LondonMiddlesexBerkshireHertfordshireKentBuckinghamshireAshfordStaines-upon-ThamesSunbury-on-ThamesSheppertonChertseyEghamWeybridge Common Questions ## Answers beforeyou commit to anything ### Can you handle the design and the build, or just one? ### Is the initial consultation free? ### How do payments work? ### What if I already have a builder? ### Do you work on listed and period properties? ### What guarantees and cover do you carry? Request an Estimate ## Tell us aboutyour project Send a few details and we will come back to arrange a free design visit at your property: no cost and no obligation, with no deposit required on architecture-only work. Find Us ## SMART Developments LTD Unit 5, Enterprise House, Ashford TW15 1XG, United Kingdom 07446 975052 · 01233 543962 info@smartdevelopmentsltd.co.uk - Monday9am – 5pm - Tuesday9am – 5pm - Wednesday9am – 5pm - Thursday9am – 5pm - Friday9am – 5pm - SaturdayClosed - SundayClosed ## Get a clear price and a clear plan. Tell us about your project and we will arrange a free design visit at your property. One team, one point of contact, from first sketch to final handover. Request an Estimate07446 975052Free initial consultation · No obligation Design and build specialists across Surrey and West London. Architecture and construction under one roof: one team, one point of contact, from concept to keys. - Design & Build ServicesArchitecture Surrey & London - Construction Surrey & London - Residential New Builds Surrey & London - Residential Refurbishments Surrey & London - Residential Extensions Surrey & London - Loft Conversions Surrey & London - Kitchen Extensions Surrey & London - Planning & Architectural Drawings Surrey & London - Commercial Refurbishments Surrey & London Areas We Cover - Builders & architects in Surrey - Builders & architects in London - Builders & architects in West London - Builders & architects in South London - Builders & architects in Middlesex - Builders & architects in Berkshire - Builders & architects in Hertfordshire - Builders & architects in Kent - Builders & architects in Buckinghamshire - Builders & architects in Ashford - Builders & architects in Staines-upon-Thames - Builders & architects in Sunbury-on-Thames - Builders & architects in Shepperton - Builders & architects in Chertsey - Builders & architects in Egham - Builders & architects in Weybridge Get In Touch SMART Developments LTD Unit 5, Enterprise HouseAshford TW15 1XGUnited Kingdom 07446 975052 01233 543962 info@smartdevelopmentsltd.co.uk Mon – Fri: 9am – 5pm Sat – Sun: Closed Leave us a Google review © 2026 SMART Developments LTD. All rights reserved. Registered in England & Wales, company no. 14730581. Privacy PolicyTerms & ConditionsARB registered architect · £5m public liability · JCT contracts Call NowFree Estimate