Self Build Planner: Schedule Your Project
Stay on time and on budget with our week-by-week schedule of build works for your project
While every project is unique, the sequence of a typical self build will follow broadly the same pattern, regardless of where and when it is taking place.
There are a number of scheduling programmes out there, many of which cost a fair bit of money and are primarily aimed at developers who will benefit from the investment in software spread over a number of schemes.
But for a one-off project, most self builders and renovators manage to track their finances and block out a basic timetable on a spreadsheet, in conjunction with their contractor.
I've pulled together a simple schedule based on the average construction time for a large detached house. The calendar spans 30 weeks, offering an idea of what happens and when during a typical build.
The programme shadows both a masonry and conventional timber frame home, each with standard trench foundations. I've restricted the plan to these systems because trying to apply a universal timetable to other build routes simply won't work.
For instance, some flat pack structures that come ready with insulation, doors and windows already installed can be erected in a matter of days, so your schedule of works will be advised by the supplier and their construction team.
Be aware that this sequence of events is indicative only – some activities may take more or less time for your particular project (depending on the size and complexity). It's up to you to agree a precise itinerary and appropriate programme to work to with your contractors.
Always be prepared to amend the timetable on the advice of your tradesmen and the reality of the situation at the time. For example, you can't slavishly stick to a schedule if you've just had a week's delay because of heavy snowfall.
Before you start
The 30-week plan begins when construction work starts on site, but before any of this can go ahead, you'll need to ensure the following is completed:
- The plot has been acquired
- Designs have been drawn
- Planning permission has been granted
- Building Regulations plans and SAP assessment have been submitted and approved
- Invitations to tender have been issued
- Main contractor (or trades, if you are project managing yourself) has been selected
- Services have been arranged through the relevant electricity and water suppliers
- Suitable site insurances and structural warranty have been purchased
- Lead-in times for products and materials have been established (to ensure they're ordered correctly)
Key:
(M.O): Masonry only
(T.O): Timber frame only
Weeks 1-2 : Before building work starts
Weeks 2-3 : Foundations, footings & oversite
- Excavate foundation trenches and wait for BC inspection
- Fit foundation reinforcement and pour concrete (inspection may be required)
- Build foundation blockwork to damp proof course (DPC, inspection may be required)
- Backfill foundation cavities to ground level
- Pour concrete slab oversite to form the ground floor structure/install beam and block oversite to specification
- Fit at least 100mm insulation above or below slab
- Make sure the foundations are accurate enough for the timber frame's tolerances (T.O)
Week 4 : External works
Week 5 : Scaffolding & structural system
- Construct outer leaf walls to DPC (M.O)
- Install foot scaffolding as required (M.O)
- Lay drainage pipes in pea shingle
- Check falls and connections
- Erect scaffolding framework (T.O)
Week 6-9 : First floor construction
- Construct lower storey walls from DPC upwards (M.O)
- Install cavity insulation (M.O)
- Place meter boxes (M.O)
- Build in structural openings and lintels (M.O)
- Raise scaffolding as required (M.O)
- Position first floor joists or beam and block intermediate floor
- Erect timber frame — including roof structure (T.O)
- Apply breathable membrane to the outside of the frame (T.O)
Weeks 10-12 : Superstructure construction
Weeks 13-14 : Roof structure/tiling
- Install roof trusses (M.O)
- Affix wind bracing (M.O)
- Build in gable ladders (M.O)
- Construct dormers if required (M.O)
- Batten out and fit undercloak (T.O)
- Fit roof and ridge tiles (T.O)
- Apply flashing (T.O)
- Affix soffits, fascia and bargeboards (T.O)
- Apply external cladding — brick, render etc (T.O)
- Gutters and downpipes (T.O)
- Take down scaffolding (T.O)
Note: The erection of a timber frame superstructure is generally much quicker than a masonry build, so you're likely to get to watertight up to six weeks earlier. For the sake of simplicity, the next few weeks in this schedule allow for the remaining masonry elements, with timber continuing at weeks 18-19. Please allow for this in your timeframe.
Weeks 15-16 : Roof tiling
- Lay sarking/breathable membrane (M.O)
- Fit undercloak (M.O)
- Set down battening at correct gauge (M.O)
- Lay roof tiles (M.O)
- Fit ridge tiles (M.O)
- Apply mortar and bargeboards (M.O)
- Put in flashings (M.O)
- Weeks 17-18 : Works to watertight
- Install windows and doors (M.O)
- Affix soffits and fascias (M.O)
- Apply external render if required (M.O)
- Fit guttering and downpipes and connect to drainage (M.O)
- Drop scaffolding (M.O)
- Conduct airtightness testing once structure is wind and watertight and all potential air leakage points are sealed
Weeks 18-19 : First fix
Joinery:
- Fit floor deck
- Door linings
- Install staircase (with protective cover)
- Studwork for partition walls and plasterboard noggins
- Loft hatch framework
- Tank stands
Plumbing:
Electrics:
Weeks 20-22 : Plastering/tacking
- Lay floor screeds
- Tack ceilings
- Fit coving
- Wet plaster or ‘dot and dab' plasterboard (M.O)
- Allow plaster to dry (M.O)
- Dry lining (T.O)
Weeks 23-24 : Internal fit out
Weeks 25-26 : Second fix
Joinery:
- Hang doors
- Fit balustrades and hand rails
- Apply skirting and architraves
- Board out loft if required
- Install wardrobes
Plumbing:
Electrics:
- Affix faceplates for sockets and switches
- Set in place consumer unit fuse board
- Install internal and external light fittings
- Fit alarm system
- Arrange garage supply
Weeks 27-29 : Painting, decorating & landscaping
- Sweep up
- Internal decoration (only apply a mist coat to wet plaster while it's still drying out)
- Ceramic tiling
- External decoration
- Test drains and backfill trenches when BC are happy
- Lay paths
- Build retaining walls
- Set down driveways
- Establish patios and outdoor decking
- Boundary treatments (fences, hedging, walls and gates)
- Install turf/seed lawns
Weeks 30 : Completion & post contract work
- Final building control inspection
- Completion certification
- VAT reclaim
- Clean up
- Snagging
- Move in!
Article provided by www.self-build.co.uk