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Professional Construction & Building Design Services in Surrey
Onsite Developement has established itself as a trusted partner in the construction industry, delivering comprehensive solutions from initial concept to project completion. Our expertise spans new build developments, refurbishments, and bespoke design services, with a particular focus on residential and commercial properties. We prioritise timely delivery, budget adherence, and uncompromising quality, supported by in-house technical specialists and strategic partnerships with housing associations.

Our approach combines rapid site appraisal, value-adding planning strategies, and a commitment to resolving complex challenges efficiently. With a proven track record in small to medium-scale projects, we serve clients across the south-east, offering tailored solutions for private investors, developers, and affordable housing sectors.
Services
Construction Work New Builds Refurbishments Design Services Building Alterations
Highlights and features
  • We offer a complete 'one-stop shop' integrated solution with in-house technical expertise.
  • Our team has extensive experience in new build developments and technically challenging sites.
  • We partner with housing associations to deliver package deals efficiently.
  • All work is guaranteed to NHBC standards for residential projects.
  • We provide rapid site appraisals and value-adding planning strategies.
What people say
Great problem solver Successful projects Shrewd insight
Services
New Builds
We specialise in constructing modern residential properties tailored to client specifications. Our new build services cover everything from initial design to final handover, ensuring compliance with planning regulations and building standards. With a focus on quality craftsmanship and customer satisfaction, we deliver homes that meet both private and affordable housing needs across the south-east.
Refurbishments
Our refurbishment services restore and enhance existing buildings to modern standards. We handle complete renovations of damaged properties, including structural repairs, interior upgrades, and compliance with current regulations. With expertise in revitalising commercial and residential spaces, we ensure minimal disruption while maximising value and functionality for property owners.
Design Services
We provide comprehensive design solutions from concept to planning approval. Our in-house team creates functional, aesthetically pleasing designs for new builds and renovations, ensuring technical feasibility and regulatory compliance. By combining creativity with practicality, we help clients visualise and achieve their ideal property developments efficiently.
Commercial Building Services
Our commercial services include interior fit-outs, suspended ceilings, partitioning systems, and GRG installations. We cater to businesses requiring modern, functional office spaces with minimal disruption to operations. Using high-quality materials and skilled tradespeople, we deliver tailored solutions that enhance workplace environments while adhering to strict timelines and budgets.
Site Development
We identify and assess land for housing development potential, offering strategic advice on planning permissions and value-adding opportunities. Our services include site acquisition, feasibility studies, and partnership arrangements with housing associations. By focusing on technically challenging sites, we create viable development schemes that meet market demands and regulatory requirements.
People
Ray Wilson
Director
Ray Wilson leads our team with extensive experience in site development and construction management. Known for problem-solving expertise and strategic financial insight, he has successfully delivered numerous complex projects including fire-damaged properties and commercial renovations.
Questions
What areas do you operate in?
We primarily work across Surrey and London, focusing on residential and commercial developments.
Do you handle both new builds and renovations?
Yes, we specialise in new build developments and comprehensive property refurbishments.
Are your services guaranteed?
All residential work is covered by NHBC guarantees for customer peace of mind.
How do you handle planning applications?
We provide full support from initial site appraisal through to planning approval and construction.
Can you work with housing associations?
Yes, we partner with housing associations to deliver package deals efficiently.