Advice
Straight answers on costs, batteries, roofs, planning and choosing an installer, with our published prices and warranties alongside.
11 guidesUpdated 7 October 2026
Start here
Answers to the questions we're asked most at survey stage, written by Pro-Fit. Each one covers a single question in plain terms: what something costs, how long it lasts, when you need permission, and what our own published prices and warranties actually are. No sales pitch, just the working detail you'd want before a survey.
Pick the question you have. If it's not covered yet, our FAQ or a free survey will get you a straight answer.
Quick answers
Costs and prices
How many panels you need, what plug-in kits can do, and what solar means when you sell.
Batteries
Sizing a battery, whether one suits your household, and adding one to panels you already have.
Roofs and planning
In-roof or on-roof, re-roofing at the same time, and when you need permission.
Choosing an installer
How group-buying schemes compare with a local quote, and what to ask anyone you consider.
Running a system
What to expect in winter, what wears out first and how long the parts last.
Ready to put a price on it?
Rather have an answer for your own roof?
Six questions about your property and how you use electricity, then a guide price on screen. A free survey fixes it in writing.
✓ Six questions, about a minute, no obligation.