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Waiting list
Register
One site or a portfolio
Tell us roughly how many roofs you are weighing. We will be in touch when capacity opens.
Join waiting list What an assessment includesStage1Energy
Rank every roof before you commit capital.
Assessments open by waiting list. Register interest for one roof or the whole estate.
Join the waiting list
Register interest for assessments. We open capacity in order - one roof or the whole estate.
Why Stage1Energy
over the usual options
Not an installer. Not a day-rate consultancy. Independent feasibility for estates teams who need a board-safe answer.
Independent
Free installer studies sell panels. We deliver a pursue-or-park verdict - no sales agenda attached
Speed
1–5 sites in 5 working days once we have your data - 5+ sites take longer
Board-ready
Written recommendation with named assumptions and next steps - not an open-ended consultancy slog
Detailed modelling
LiDAR, financial, energy & engineering - engineering flags DNO connection, planning and permits, not detailed design calcs
Independent by design
A clear written recommendation - with evidence and named next steps. Independent of installers. Join the waiting list to register interest.
From roof to written verdict
How an assessment runs - without installer theatre.
01
Site & aerial inputs
02
Yield & returns model
03
Pursue / conditional / park
04
Named next steps
Latest insights
See all insights →Feasibility
What is a commercial solar feasibility study?
What a board-ready study covers - and what it deliberately leaves to others.
Returns
Is commercial solar worth it in the UK?
How to read payback, IRR, and hurdle rates without installer theatre.
Process
Feasibility study vs installer quote
Why the order matters when capital and roofs are on the line.
