Plot-LV — design tools for building services

Lay it out.
Check the coverage.
Hand it over.

Plot-LV makes focused design tools for building services engineers. FOV, for CCTV layouts, is free to try in your browser today. Flame, for fire alarm layouts, is in closed development.

Try FOV free — create an accountLog in →
No account needed. By continuing you agree to the terms of use.
FOV preview open nowRuns in your browserPlans stay on your device
01
One job each
Each tool covers one discipline and does it properly, rather than one bloated package.
02
Your drawings stay yours
Plans are processed on your device. FOV runs in your browser; Flame runs on your PC.
03
No host CAD
Not plugins. No AutoCAD, Revit or other CAD package needed.
04
Clear about limits
Preview data is labelled unverified until it has been checked against datasheets.

The Plot-LV range

Two tools today, one open to try. More disciplines to follow.

PLOT-LV-FOV Free preview · open now

FOV

CCTV coverage design

Load a floor plan, set the scale, draw walls and doors, then place cameras and see exactly what each one covers.

  • Coverage wedges, pixel density and DORI ranges per camera
  • Walls, doors and obstacles block the view by height
  • Security layers with a pass/fail coverage check per room
  • Camera point-of-view preview
  • Save projects as files, export the plan as PNG
Create free accountLog in
No account needed. By continuing you agree to the terms of use.
How FOV works: field of view, pixel density and DORI →FOV Pro is coming: join early access →

Preview: camera data is marked unverified while it is checked against manufacturer datasheets.

PLOT-LV-FLAMENot available to buy

Flame

Fire alarm layout & compliance

Trace the building, place catalogue devices and watch every room checked against the standard as you work.

  • Fire alarm layouts against BS 5839-1:2025
  • 17 automated checks as you draw
  • Coverage, audibility, call-point reach, zoning, escape routes
  • Report a competent person can sign off
  • Windows desktop app, works fully offline
See how it works →Get updates

Flame isn't on sale at the moment. Register below to hear when it opens.

Next upLux — lighting layout and illuminance checks. In development.
FOV Pro · coming soon

Pro is for real jobs

The free version handles image and PDF plans. Pro adds the parts that save time on every project:

  • CAD import: open DXF drawings with sharp lines and layers, scale set automatically
  • Walls taken straight from your CAD wall layer, no tracing
  • A coverage report to hand to your client
  • Pixel density and DORI calculations per camera, no camera limits

Early members get a founding price and a say in what gets built first.

I'll only use this to contact you about FOV Pro early access. Privacy notice

Start with FOV in three steps

Free while it's in preview. No card needed.

  1. 01

    Create your account

    Your name, work email and a password. Takes under a minute.

  2. 02

    Open your workspace

    Your account page is where you launch FOV and manage your details.

  3. 03

    Lay out your cameras

    Load a plan, set the scale, place cameras and check the coverage.

Create free account
Flame · not on sale yet

Get told when Flame opens

Leave your email and we'll let you know when Flame is available. One email, no spam.

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Talk to us
We're building these alongside the people who'll use them. Feedback, feature requests and questions are all welcome, as are multi-seat and custom-standard enquiries.

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