Every elevation to scale
Set each wall's height and width and the drawing scales to match. Opposite walls share their width, so the rear fills in from the front.
Retrofit Suite software
Cavity wall insulation diagram plans, drawn to scale.
Cavwall is the planner surveyors use to draw every elevation of a property, work out the treatable area and POPT as they go, and export the finished diagram plan as a PDF.
- For Retrofit Suite members
- Works on iPad, on site
- Plans saved to your organisation
Members only
Everything a cavity wall diagram plan needs, in one place.
Built by a working retrofit surveyor for the cavity wall insulation surveys done every day, and used on real jobs.
Treatable area and POPT, live
Wall, opening and untreatable areas total up for each elevation as you draw, and the whole-house POPT stays in view while you work.
Render, obstructions and drill points
Mark untreatable areas, rendered or clad sections and drilling points on the wall, and copy a render band from one elevation to the next.
A finished PDF in one click
Every elevation with its schedule, a full property breakdown and a 3D model of the house, ready to send.
Saved to your organisation
Plans are stored in the Retrofit Suite, so anyone in your team can pick up a survey on any device.
Built for site
Install it on an iPad and draw with a finger or a stylus. Once your access is confirmed it keeps working without a signal.
The plan you hand over.
The PDF is drawn from your elevations, page by page, with the same clean linework as the planner. It is ready to send as it comes out.
- Two elevations per A4 page, each to scale with its dimensions
- Window and door schedules beside every drawing
- Wall, opening and treatable areas for each elevation
- A full property breakdown, the whole-house POPT and a 3D model
From the site visit to a finished plan.
The same three steps on every job, with the arithmetic taken care of.
1
Measure on site
Record each wall's height and width, and note the windows, doors and anything that blocks treatment.
2
Draw the elevations
Place each opening on the wall and enter its real size. Areas and POPT update as you go.
3
Export and confirm
Download the PDF and check it against the property. Every plan is a draft for the surveyor to confirm.
Access for your team.
Cavwall is part of the Eco Futures Retrofit Suite and is available to member organisations. Access is set up for your organisation, and everyone you add signs in with their own account.
- Unlimited plans and PDF exports
- Saved plans shared across your organisation
- Works on desktop, iPad and phone, and offline on site
- One sign-in for every Retrofit Suite app
Cavwall membership
£10 per person, per month
Tell us about your team and we will set up your organisation in the Retrofit Suite, then email each person a sign-in invite.
Get accessAlready a member?
Sign-in happens once at the Retrofit Suite and carries across every suite app. An organisation admin can add people from the suite's team page.
Questions.
Who is Cavwall for?
Surveyors and retrofit firms who produce cavity wall insulation diagram plans. You draw each elevation to scale and Cavwall works out the treatable area and POPT as you go.
What does the PDF include?
Every elevation drawn to scale with its window and door schedule, untreatable areas, render and drilling points, then a full property breakdown with the whole-house POPT and a 3D model of the house.
Does it work without a signal?
Yes. Once your access has been confirmed on a device, the planner keeps working offline for 14 days, and your work saves on that device as you go.
Can my team share plans?
Plans saved to your organisation can be opened by anyone in it, on any device. Organisation admins can also delete them.
How do I get access?
Choose Get access. We set up your organisation in the Eco Futures Retrofit Suite and email each person a sign-in invite. If your organisation already has access, ask its admin to add you.