See what sunlight is worth.
Point your phone at any balcony, roof, garden or campervan and WattSnap instantly estimates the electricity — and money — a solar panel could generate there. No installer. No spreadsheets. Just an answer.
- No installer visit
- Real-world surroundings
- Instant estimate
Solar shouldn’t be a guessing game
Millions of people are curious about solar. Almost none can answer the one question that actually matters:
“Will solar actually save me money — right here?”
Generic postcode math
Most tools guess from your postcode — blind to your wall, your trees, your exact balcony.
Built for installers
Spreadsheets, kilowatt-hours and jargon. Useful for pros, baffling for everyone else.
So people give up
Faced with complexity and doubt, most would-be solar buyers simply walk away.
Point. Snap. Save.
From curious to confident in about ten seconds.
- 01
Open WattSnap
Launch the app wherever you're picturing a panel — balcony, roof, shed or campervan.
- 02
Point at the spot
Aim your camera at the exact place you'd mount it.
- 03
Scan the skyline
Sweep across the horizon so we can read shading and orientation.
- 04
Get your assessment
See live output, yearly savings and the best place to put it.
In one tap, you’ll see
Everything you need to decide — in plain English, not engineering units.
- Current generation potential
- Daily, monthly & annual production
- Expected financial savings
- Payback period
- Optimal placement & orientation
What an answer looks like
No kilowatt-hour homework. Just clear, useful sentences.
“If a 440W panel were installed here.”
“Generating live — saving about 8p per hour.”
“Move the panel 1 metre to the left.”
See what your spot could be worth
The app reads your real surroundings. Here’s a quick taste with just a few details.
Indicative estimate from a 440W panel facing South with none shade. The WattSnap app sharpens this with your exact spot, angle and live skyline.
Estimates use standard solar assumptions (≈80% performance ratio, regional sunlight averages) and are for illustration only — not financial advice.
Not a solar calculator. A sunlight value meter.
We answer the human question — “is this worth it?” — using the world right in front of you.
Reads your real surroundings
Actual shading, walls and angles — not a postcode average.
Money first, not megawatts
Answers in pounds and payback, never technical jargon.
Made for everyday people
If you can check the weather, you can check solar.
Mobile-first, in the moment
Decide on the spot, wherever you happen to be standing.
Instant — no site visit
A confident answer in seconds, completely free.
The value of sunlight
We measure what your view is worth, not which hardware to buy.
From balconies to boardrooms
Built first for everyday people — powerful enough for the whole property world.
Made for you
Also powerful for
For renters and owners it’s a confidence boost. For agents, landlords and installers, it’s a fast, visual way to show the value of any sunny spot.
WattSnap isn’t a solar calculator.
It measures the value of sunlight.
Just as you check the weather before you head out, WattSnap is where you’ll check the value of sunlight — at any location on earth. Our goal is simple: make solar potential as easy to understand as the forecast.
Know before you go solar
Be first to point, snap and save. Join the early-access list and we’ll tell you the moment WattSnap lands.
Prefer email? hello@wattsnap.co.uk
Point. Snap. Save.