When you outsource drafting for residential construction, the first question is not whether it can be done, but which part you hand over and which part you keep. In practice, we see a clear division. The design, the decisions and contact with the client and the municipality stay within your own firm.
The detailing, drafting through, updating and repetition come to us. That is the volume work: the same floor plan in five variants, a set of detail sheets that recurs for every plot number, a round of revisions to existing DWG files after changes during construction, and an as-built file that still needs tidying up after handover.
We draft and model; we do not do engineering and we do not make calculations. Our team works from its own office, with its own licences and to your drawing conventions. Everyone who drafts for us has more than ten years of CAD experience. We respond to a new enquiry within 1 to 2 working days, after which we go through the documents with you in a conversation.
Cable tray routing in the model, built with parametric families that carry the material schedule with them.
The repetitive part of residential drafting
Residential construction is work in which things recur more than anywhere else. The same house type appears thirty times in a scheme, mirrored, with a different facade treatment or with an extension that varies by plot number. Every detail that appears in one block also appears in the next. That is exactly where an in-house drawing office gets stuck, not because it is difficult but because there is so much of it. We are set up for that kind of volume. The work we take over often consists of a base that has to be set up properly once and then applied dozens of times.
We set up that base carefully and make sure a change in one place carries through, rather than someone retyping it thirty times. The time saving rarely lies in drawing faster and almost always in building things up more cleverly. A second place where a lot of hours get stuck is the round of revisions. Something changes during construction, the drawing falls behind, and after a few months nobody knows which sheet shows the current situation. We update sets like that and keep track of which change has been processed where.
A third place is the as-built file, which has to be produced but always ends up at the bottom of the schedule. We pick that up while your own team works on the next phase. That way, you keep control of content and schedule, while the number of drafting hours in your firm does not grow with the number of plots. We take the pace of construction as our guide. If it turns out along the way that a house type deviates from the base after all, we process that deviation straight away.
Parametric Revit families for residential drafting
We build parametric Revit families, in other words smart components. A part like that adapts to a new situation or a different size, so it is in place in a single action instead of someone redrawing it. The material schedule updates with it: if the part changes, the schedule changes automatically. In work with a lot of repetition, that is the difference between a day and an hour. We see the gain most clearly in an example from our own work outside residential construction.
Companies in greenhouse construction often draft in AutoCAD, and AutoCAD is not smart at building up parts such as valves in piping systems. Every valve in 90 and in 110 that is needed there has to be drawn by hand again. With a smart family, it is in place straight away at the right size. In that kind of work, the approach saves at least seventy per cent of the time. The same principle applies to a window frame, a roof detail or a bathroom layout that differs slightly for each house type.
We tackle existing families and templates, cleaning them up or rebuilding them. Which is more sensible depends on the condition of the existing set: with a family set that has become clogged up over the years, rebuilding is sometimes quicker than repairing. We only give that verdict after we have looked at the set, not in advance. Everything we build remains the property of the client, so the firm keeps the components even if the project stops. A partial clean-up with a number of new components added is also possible.
No ongoing payroll costs and no idle staff once the peak is over. If one of our people is off sick or on holiday, we replace them and the work simply carries on.
What the delivered set contains
What we deliver must be directly usable by the people who work with it afterwards. We deliver the drawings in the agreed formats, so DXF, DWG, Revit formats or STEP, and in the software version you use. The naming, layer structure and sheet layout follow your standard, not ours. With a set of families or templates, we also supply a short explanation of how it is built up, so an in-house drafter can continue the maintenance themselves. We also pass on which assumptions we made and where the source material was unclear. That list is usually short, but it saves the project lead having to trace decisions someone else has already made. We deliver in stages. After each stage, we gather feedback, process it and continue with the next block, so a correction never has to land on the full set.
Before a stage leaves our office, it passes through at least three review layers. A drafter produces the work, a second team member checks it, Sam, our team leader, then looks over the set, and Barry, our project manager, assesses it last. In practice, this keeps the number of errors to a minimum. That way, sales, work preparation and construction can all work from the same sheets from the same moment. The intellectual property belongs to the client, including interim versions. If a firm later wants to continue the work in-house, it can do so without anything being left behind with us. If a project lead spots something unclear months later in a sheet we produced, we deal with it without any discussion about scope. That is part of the job.
Scaling up without permanent drafters in residential construction
The amount of drafting in residential construction moves with the market, and that makes permanent staffing a difficult choice. A firm that hires for today's workload is left with the same payroll costs when demand falls in six months' time. We offer staffing that moves with you. For a small package, we assign one drafter, and for larger schemes we bring in as many drafters from our large, variable team as are needed.
The team is already there, so we do not need to recruit anyone. When it is urgent, we add people straight away. When the work tails off, we scale down and the costs stop with it. So you have no ongoing payroll costs with us, and we deliberately do not work with a prepaid hours card or a monthly hours subscription.
If one of our people is off sick or on holiday, we replace them and the work carries on. That is a real difference from a single drafter on whom the whole package rests. When we scale up, the point of contact stays the same. Barry is the first contact for a new enquiry, after which Sam takes over the technical side and remains the fixed contact for the content.
He directs our CAD team, has more than fifteen years of background in architecture and still works as an engineer himself. If the team on a project grows considerably, nothing changes for the project lead in the line of communication. That keeps outsourced drafting manageable, even in a scheme with many plots. It also makes the agreements up front a good deal simpler.
Frequently asked questions about outsourcing drafting for residential construction
Hand your residential drafting over to us
Send us your documents and drawing conventions and we will let you know within one to two working days what we can take on and when.