How we work
Our Process
From initial enquiry to final handover, here's exactly what to expect at every stage of your construction project.
Typically 16 to 24 weeks for extensions, 6 to 12 months for new builds

Phases
Project Phases
Open a phase to see each step, what you will receive, and what we need from you.
Your journey starts with a call or online enquiry. We'll respond within 2 hours during business hours.
- 1
Make Contact
Call us on 020 4569 0526, email info@britsconstructionservices.co.uk, or fill in our online enquiry form.
Your responsibility
Provide basic details: name, contact info, project type, rough budget, and timeline.
- 2
Initial Discussion
We'll have a 15 to 20 minute call to understand your project requirements and answer initial questions.
Your responsibility
Be ready to discuss your project goals, budget range, and ideal timeline.
- 3
Enquiry Confirmation
We'll send you a confirmation email with next steps and what to expect.
Your responsibility
Review the information and confirm you'd like to proceed.
Outputs
We'll visit your property to assess the site, discuss your requirements in detail, and take measurements.
- 1
Schedule Survey
We'll arrange a convenient time for the survey, typically within 5 working days.
Your responsibility
Ensure someone over 18 is present. Clear access to relevant areas.
- 2
Site Assessment
Our director or senior surveyor will assess the site, take measurements, and discuss your requirements in detail.
Your responsibility
Walk through your requirements, show us what you want to achieve, ask questions.
- 3
Initial Advice
We'll provide initial advice on feasibility, potential challenges, and rough budget.
Your responsibility
Take notes, ask questions about anything unclear.
Outputs
We'll prepare a detailed, fixed price quote with full breakdown of all works.
- 1
Quote Preparation
Our team will prepare a detailed quote including all materials, labour, and project management.
Your responsibility
None - we do all the work.
- 2
Quote Presentation
We'll present the quote in person or via video call, walking you through every line item.
Your responsibility
Review the quote, ask questions, request any adjustments.
- 3
Quote Revision (if needed)
If the quote exceeds your budget, we'll suggest value engineering options to reduce costs.
Your responsibility
Decide what's essential vs. nice-to-have, approve revisions.
Outputs
Once you're happy with the quote, we'll prepare the contract and you'll pay the initial deposit.
- 1
Contract Preparation
We'll prepare a JCT domestic contract with all agreed specifications, timeline, and payment schedule.
Your responsibility
Review the contract carefully, ask questions about any clauses.
- 2
Contract Signing
Both parties sign the contract. You'll receive a copy for your records.
Your responsibility
Sign the contract, pay the 10% deposit.
- 3
Project Setup
We'll set up your project file, assign your site manager, and schedule the design phase.
Your responsibility
None - we handle everything.
Outputs
Optional: If you do not already have drawings and engineering in place, we can coordinate that stage for you.
- 1
Optional: Design Services
If you do not already have plans, we can coordinate architectural drawings through our design partners or work with your chosen architect.
Your responsibility
Review drawings, request any changes, approve final version.
- 2
Optional: Structural Engineering
We can arrange structural calculations through our engineering partners or work with your chosen structural engineer.
Your responsibility
None - engineer handles everything.
- 3
Design Approval
Once the drawings are approved, we move to any planning, Building Regulations, or party wall steps that apply to your project.
Your responsibility
Approve final design in writing.
Outputs
Optional: If your project needs planning permission and that service is part of our agreed scope, we can coordinate the application for you.
- 1
Application Preparation
Where we are handling the pre-construction paperwork, we prepare the required documents including drawings, forms, and any supporting planning information.
Your responsibility
Provide any additional information requested.
- 2
Application Submission
We submit the application to the local planning authority and coordinate any follow up that comes back during validation or review.
Your responsibility
Approve the submission and cover the local authority fee where applicable.
- 3
Planning Determination
The planning authority will review the application and either approve it, approve it with conditions, or refuse it.
Your responsibility
Review the outcome with us and confirm any next steps if conditions need to be discharged.
Outputs
If you already have your own architect or approved planning consultant, we simply work with their drawings and approvals instead of handling this stage ourselves.
Optional: Building Regulations approval is required for construction work, and we can coordinate the submission when it forms part of our agreed scope.
- 1
Application Preparation
If required, we prepare or coordinate the technical information needed for Building Control review.
Your responsibility
Approve the final technical package if this stage sits within our agreed scope.
- 2
Application Submission
We submit to Building Control, whether that is the local authority or an approved inspector, and coordinate any technical queries.
Your responsibility
Cover the application fee where applicable, unless it is included in your agreed package.
- 3
Approval
Building Control reviews the submission and may raise queries before approval is issued.
Your responsibility
None if we are coordinating this stage. If you have your own architect or engineer, we work directly with them instead.
Outputs
If your architect, engineer, or approved inspector is already handling this stage, we build to their approved information and coordinate inspections on site.
Optional: If the work affects a party wall, boundary, or nearby foundations, a Party Wall Agreement may be needed before construction starts.
- 1
Party Wall Notice
Where requested, we help prepare the information needed for formal Party Wall notices and can coordinate with your surveyor.
Your responsibility
Confirm neighbour details and appoint a Party Wall surveyor if one is needed.
- 2
Neighbour Response
Neighbours have time to consent or dissent. If they dissent, Party Wall surveyors will need to be appointed to manage the process.
Your responsibility
Keep communication open with neighbours and respond promptly to surveyor requests.
- 3
Party Wall Award
If neighbours dissent, the surveyors agree a Party Wall Award that sets out how the work can proceed.
Your responsibility
Pay surveyor fees where applicable, often around £700 to £1,500 per neighbour.
Outputs
Not every project needs a Party Wall Agreement. If you already have your own surveyor, we work with them and follow the agreed award or notice procedure.
The physical construction begins! We'll set up the site and start groundworks.
- 1
Site Setup
We'll set up site facilities, welfare facilities, and protect existing structures.
Your responsibility
Clear the work area, provide access, remove any obstacles.
- 2
Groundworks
Excavation for foundations, drainage alterations, and utility diversions.
Your responsibility
None - construction team handles everything.
- 3
Weekly Progress Report
You'll receive a written report every Friday showing progress, next week's plan, and any issues.
Your responsibility
Review the report, raise any concerns.
Outputs
Foundations are poured and the main structure (walls, floors, roof) is built.
- 1
Foundations
Concrete foundations are poured and cured. Damp proof course is installed.
Your responsibility
None - construction team handles everything.
- 2
Walls & Floors
Blockwork or timber frame walls are built. Ground floor is constructed.
Your responsibility
None - construction team handles everything.
- 3
Roof Structure
Roof timbers or steel beams are installed. Roof covering is applied.
Your responsibility
None - construction team handles everything.
Outputs
All the hidden services are installed: electrics, plumbing, heating, and data.
- 1
Electrics First Fix
Cables are run to all socket, switch, and light positions. Consumer unit is installed.
Your responsibility
Confirm socket and switch positions before walls are closed.
- 2
Plumbing First Fix
Water pipes, waste pipes, and heating pipes are installed.
Your responsibility
Confirm bathroom and kitchen layouts.
- 3
Heating First Fix
Boiler position confirmed, underfloor heating manifolds installed, radiator positions set.
Your responsibility
Confirm heating preferences (radiators vs. underfloor).
Outputs
Walls are plastered, then all visible services are installed (sockets, lights, taps, etc.).
- 1
Plastering
All walls and ceilings are boarded and skimmed. Plaster needs 2 to 3 weeks to dry.
Your responsibility
Ensure good ventilation to help plaster dry.
- 2
Electrics Second Fix
Sockets, switches, and light fittings are installed. Consumer unit is completed.
Your responsibility
None - electrician handles everything.
- 3
Plumbing Second Fix
Taps, toilets, basins, showers, and radiators are installed.
Your responsibility
None - plumber handles everything.
Outputs
Final finishes are applied: painting, flooring, tiling, and kitchen/bathroom installation.
- 1
Decoration
All walls and ceilings are painted or wallpapered. Woodwork is painted.
Your responsibility
Confirm colour choices before work starts.
- 2
Flooring
Floor coverings are installed (tiles, wood, carpet, etc.).
Your responsibility
Confirm flooring choices and ensure materials are on site.
- 3
Kitchen & Bathroom
Kitchen units, worktops, and appliances are installed. Bathroom sanitaryware is fitted.
Your responsibility
Ensure all units and sanitaryware are delivered on time.
Outputs
We conduct a thorough snagging inspection and hand over your completed project.
- 1
Snagging Inspection
We conduct a thorough inspection and create a snag list. You're invited to do the same.
Your responsibility
Walk through the project, note any issues, create your snag list.
- 2
Snagging Rectification
We fix all snags on our list and yours. This typically takes 3 to 5 days.
Your responsibility
Allow access for snagging works.
- 3
Handover
We hand over the keys, certificates, warranties, and handover documents. The final stage payment is made, with the agreed 5% retention held back until the end of the defects period.
Your responsibility
Complete the final stage payment, keep all handover documents safe, and note any outstanding defects during the retention period.
Outputs
For 3 months after handover, we'll return to fix any issues that arise.
- 1
Settling In
As you use the space, minor issues may appear (plaster cracks, door adjustments, etc.).
Your responsibility
Note any issues as they appear.
- 2
Report Issues
Contact us with any issues. We'll schedule a visit to rectify.
Your responsibility
Report issues promptly, allow access for repairs.
- 3
Final Inspection
At 3 months, we'll do a final inspection and release the retention payment.
Your responsibility
Confirm all issues are resolved, approve retention release.
Outputs
Your 15 year structural warranty begins. We are always here if you need us.
- 1
Warranty Registration
Your structural warranty is registered. You will receive documentation.
Your responsibility
Keep all warranty documentation safe.
- 2
Ongoing Support
We're always available for advice, even years after completion.
Your responsibility
Contact us if you have any questions or issues.
- 3
Warranty Claims
If structural issues arise, contact us directly. We will assist with any claims.
Your responsibility
Report structural issues promptly to us.
Outputs
Working together
Your Responsibilities
A successful project requires collaboration. Here's what we need from you at each stage.
Before Construction
- Provide clear access to the work area
- Remove personal belongings from work areas
- Confirm all design choices before work starts
- Arrange temporary accommodation if needed for major works
- Inform neighbours of upcoming works
- Ensure utilities are accessible
During Construction
- Attend weekly progress meetings (if requested)
- Review and approve progress reports
- Make stage payments on time
- Make decisions promptly when requested
- Select and order any client-supplied materials
- Maintain safe access to the site
After Construction
- Report any defects during the 3 month liability period
- Maintain the property appropriately
- Follow care instructions for new installations
- Contact us before making alterations that might affect warranties
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Ready to Start Your Project?
Get a free consultation and detailed timeline for your project.