Design & Build Contractors London
Design and build construction for residential and commercial projects across London. Crestane Construction can coordinate the construction process alongside architects, structural engineers, building-services specialists and other designers where required, helping take suitable projects from developed scope through procurement, construction and handover.
Discuss Your Project Explore Design & BuildPlanning a project that needs design coordination and construction delivery?
Tell us about the property, proposed works, current design stage, drawings or surveys available, budget range if established and intended programme.
Connect the design information with the construction programme
Suitable design-and-build delivery can reduce gaps between designers, specialist trades, procurement and site construction.
Discuss a design & build project
Provide the main project information below.
A coordinated route from project information to completed construction
Construction projects often become difficult when design information, procurement and site delivery are managed in isolation from each other.
Crestane Construction can coordinate suitable residential and commercial projects alongside the relevant project designers and specialist contractors, creating a clearer route from developed scope to construction and handover.
The exact responsibilities should be defined for each project. Architects, structural engineers, building-services designers and other specialists may be appointed or retained where their professional input is required.
The construction package can then be planned around the agreed design information, programme, access constraints and budget.
Coordinate design information, procurement and construction
Suitable projects can involve different levels of design responsibility depending on the agreed contract and project requirements.
Project Scope Review
Review the brief, drawings, site information and required construction outcome before the delivery route is defined.
Design Coordination
Coordinate suitable architectural, structural and specialist design information where required for the project.
Buildability Review
Consider practical construction sequencing, interfaces, access and trade coordination alongside the design.
Cost Development
Develop construction pricing around defined scope, trade packages, materials, preliminaries and project risk.
Trade Procurement
Coordinate suitable subcontractor and specialist packages for the agreed construction works.
Programme Planning
Sequence the principal construction activities around design release, procurement and site constraints.
Construction Management
Coordinate agreed trades, materials, programme, variations and site delivery through the construction stage.
Quality & Snagging
Coordinate suitable quality checks, snagging and correction of agreed completion items.
Project Handover
Bring together agreed completion records and final construction handover information where applicable.
Design and build should make responsibilities clearer, not blur them
Different projects need different professional inputs. Structural calculations, architectural design, specialist building-services design and other technical work should be carried out by suitably appropriate project professionals where required.
Crestane can coordinate these inputs with the construction programme and agreed contract responsibilities rather than presenting every discipline as an in-house service.
Before appointment, the project should clearly define what design is already complete, what remains to be developed and which party is responsible for each element.
Extensions, refurbishments and larger residential projects
Residential projects can involve architects, structural engineers, building-control requirements, specialist suppliers and several construction trades.
A coordinated delivery route can help connect these inputs with the actual construction sequence and procurement programme.
Suitable projects can include house extensions, complete refurbishments, structural alterations and larger residential construction works.
For related services, see House Extensions London and House Refurbishment London.
Commercial refurbishment and fit-out delivery
Commercial projects can involve landlord requirements, interior designers, service designers, specialist systems, access restrictions and fixed business deadlines.
Design information needs to be released in time for procurement and construction, while specialist packages need to be coordinated with the wider interior works.
Crestane can coordinate suitable commercial construction packages around the agreed design and project team.
See Commercial Fit Out London and Office Refurbishment London for related commercial services.
What can a coordinated design & build project include?
The final scope depends on the contract, project stage and professional responsibilities agreed before construction.
Review available surveys, drawings, specifications and project constraints.
Coordinate relevant architectural, structural and specialist information where required.
Translate the agreed information into practical trade and construction packages.
Develop pricing against defined packages, materials and construction allowances.
Obtain and coordinate suitable subcontractor and supplier packages.
Plan design release, procurement, site activities and key construction stages.
Coordinate the agreed building works through the live project stage.
Coordinate snagging and agreed close-out information at completion.
Different projects require different professional inputs
The appropriate team should be established around the project rather than assuming every discipline is required on every job.
Architectural Information
Layouts, details, schedules and specifications may be required depending on the project and design stage.
Structural Engineering
Structural design and calculations should be provided by an appropriate structural engineer where structural works require them.
Building Services & Specialists
Electrical, mechanical, drainage, fire-related and other specialist systems may need dedicated design and contractor input depending on the project.
Resolve key information before site pressure begins
Good pre-construction work can reduce avoidable site delays caused by missing information, undefined scope and late procurement.
Before construction begins, the project should identify outstanding design decisions, long-lead materials, specialist requirements, access constraints and principal programme risks.
Where the project is still at an early stage, Crestane can review the available information and help define what is needed before a reliable construction price and programme can be developed.
The goal is not to eliminate every change, but to reduce preventable uncertainty before work starts.
What affects design & build project cost in London?
The overall cost depends on the construction scope, project maturity, design requirements, specification, access, programme and risk.
From initial brief to construction handover
The exact route depends on how developed the project is when Crestane becomes involved.
Project Brief
Provide the address, proposed works, current design information, surveys, desired programme and known constraints.
Scope & Responsibility Review
Identify what information exists, what remains outstanding and who is responsible for each design element.
Design & Cost Development
Coordinate suitable project information and develop construction pricing around a clearer scope.
Procurement & Programme
Plan trade packages, materials, long-lead items and construction sequencing.
Construction Delivery
Coordinate the agreed site works, subcontractors, programme, costs and variations.
Snag & Handover
Complete agreed snagging and coordinate suitable completion information before project close-out.
Design & build delivery for residential and commercial projects
What should you send for a design & build review?
The more project information available, the easier it is to identify the current stage and outstanding work needed before construction.
Project Address
Send the London property address or postcode.
Current Drawings
Provide architect, structural or other project drawings already available.
Surveys & Reports
Send relevant surveys, investigations or technical reports where available.
Planning / Approval Status
Explain the current planning and Building Regulations position if known.
Scope & Specification
Describe the required outcome, materials, finishes and specialist items where decided.
Programme
Provide intended start, completion target and any fixed deadlines.
Related Crestane construction services
Commercial construction and fit-out services
Design & build contractors across Greater London
Suitable residential and commercial design-and-build projects can be considered across Greater London depending on project stage, scope, access, programme and design requirements.
Frequently asked questions
What does design and build mean?
Design and build is a project delivery route where design responsibilities and construction delivery are coordinated under an agreed contractual structure. The precise responsibilities should be defined for the individual project.
Does Crestane provide architectural or structural engineering design directly?
Crestane can coordinate suitable project designers and specialist consultants where required. Architectural, structural and other professional design work should be undertaken by the appropriate project professionals for the scope involved.
Can you take over a project that already has an architect?
Yes. Existing architect and consultant information can be reviewed and coordinated with the construction scope, subject to the agreed responsibilities and project stage.
Can you work from completed planning drawings?
Yes, but planning drawings may not contain all information needed for construction. Additional technical details, calculations, specifications or Building Regulations information may still be required depending on the project.
Can you coordinate a structural engineer?
Where structural input is required, appropriate structural engineering information can be coordinated with the construction programme and agreed scope.
Can design and build be used for house extensions?
Yes. Suitable extension projects can be coordinated from developed design information through procurement, construction and handover.
Can you use design and build for a full house refurbishment?
Yes. It can be suitable where a major refurbishment needs coordinated design decisions, structural works, services, procurement and multiple construction trades.
Can you deliver commercial design and build projects?
Suitable commercial refurbishment and fit-out projects can be considered depending on the design team, specialist requirements, building constraints and programme.
Do you handle planning permission?
Planning requirements depend on the proposed works. Where planning input is required, this should be coordinated with the appropriate designer or planning professional as part of the project team.
Do you handle Building Regulations?
Relevant Building Regulations requirements should be established for the individual project. Suitable design and construction information can then be coordinated with the appropriate approval route.
When can you provide a fixed construction price?
The reliability of a fixed price depends on how clearly the scope, drawings, specification and project risks are defined. Earlier-stage projects may need design development before a firm construction price is appropriate.
Can you help with subcontractor procurement?
Yes. Suitable trade and specialist packages can be coordinated as part of the construction delivery process.
Can you coordinate the full construction programme?
Yes. Suitable projects can include programme planning and coordination of the agreed construction activities, procurement and trade sequence.
What should I send for an initial review?
Send the project address, drawings, surveys, planning or approval information, proposed scope, specification where available and your intended programme.
Which parts of London do you cover?
Suitable projects can be considered throughout Greater London including Central, North, North West, West, South West, South, South East and East London.