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Before you sign · Independent review · No installer commissions

Got a solar quote? Run it past us first.

Solar quotes are deliberately hard to compare and easy to overpay on. We screen yours against trade-price benchmarks, verify the equipment SKUs, test the ROI assumptions against your actual electricity bill, and write you a plain-English report flagging every red flag. £95 per quote. No installer commissions, no referrals.
£95 per quote · free 15-min chat first
Send us your quoteCall 07944 877 329
  • £95 per quote · written report within 3 working days
  • Average 8–15% over-price or unnecessary spec identified in quotes we screen
  • Independent — no installer referral commissions, no recommended-list bias
What you get

Plain-English written report covering everything the salesperson glossed over.

Send us your quote
Free 15-min initial chat (no obligation)
Equipment SKUs verified (panel + inverter + battery)
DC/AC ratio + sizing logic checked
Optimiser / microinverter recommendation reviewed
Trade-pricing benchmark — hardware vs reasonable margin
ROI claims sanity-checked against your usage
Export-rate assumptions tested vs current SEG reality
Finance APR + exit-fee + small-print screen
Written report — typically 3–5 pages
Delivered within 3 working days of payment
5.0
Rated 5.0 on Google Read all 151 reviews

My 3-year old GivEnergy Solar/Inverter/Batteries installation went down with all generated electricity going to the grid and absolutely no help available from the Administrators! Thankfully, I found Solar Tech Support and Ron, who used to be a GivEnergy installer. His knowledge and ability are phenomenal and he sorted everything out remotely. I cannot recommend him more highly and a really pleasant guy to deal with! Very many thanks Ron!!

Jerry Robson · Aug 2026 Google

Had a problem with my GivEnergy battery which had decided to charge and discharge to a very limited extent. From AI, felt that the problem was probably a calibration issue on the Battery Management System, but which I could not fix myself. So contacted Solar Tech Support, and Ron was brilliant in being able to identify, confirm and fix the issue remotely and very speedily. Thoroughly recommend this outfit

Geoff Henney · Oct 2026 Google

After GivEnergy went into liquidation, just my luck, my battery started playing up (internal board crashed). Contacted my installer - not interested! Found Solar tech support on a Google search. Sooo glad I found this company! Ron is extremely helpful and has plenty of experience. He soon confirmed what the fault was, and helped me to get my system up and running again. Now moved my GivEnergy account to Solar tech support, and will definitely use again if I have more issues. Unusual to find such a helpful company in these times, no morons reading scripts, just direct contact with the engineer.

Keith Ballard · Apr 2026 Trustpilot

Great experience with STS great communication from Ron, very helpful and knowledgable. Installed me a second Givenergy battery to help take the strain off my original 9.5 that needs refurb due to a weak cell. They secured me an 8.2 arranged install. Levi arrived the whole install was done within 1.5 hours - great tidy job. Worked with me to alter my setup to allow easy removal of my 9.5 when i can get it away for refurb - very happy with their service and its reassuring to know there is a company out there that can help look after my givenergy system

Alan Glaister · Sep 2026 Google

Contacted Ron with a problem and he sorted it out quickly with no problems at all. Very knowledgeable on anything solar/ batteries. I would recommend him to anyone

Phill · May 2026 Trustpilot

Called spoke to Ron. Was very informative and more importantly listen to the issues regarding my system. Was very professional and tackled the problem and had my system back on it's way. Thank you once again Ron

Shawn Carmichael · Aug 2026 Google

Written by · Independent Solar Engineer Last updated

Quote review pricing

Single quote review
£95

One installer quote, full written screen + trade-pricing benchmark. Best when you've been pitched by one firm and want a second opinion before committing.

Multi-quote comparison
£145

2–3 quotes side-by-side with a written analysis — equipment differences, pricing benchmarks, and a clear recommendation on which is technically strongest. Best value if you've done your tendering.

Pair with independent design (upstream)
£245

If you haven't tendered yet, an independent design (£245) turns three quotes into a directly-comparable like-for-like — making the sense check much sharper.

What we screen for
Inflated savings projections

Models that quietly assume you'll buy an EV and a heat pump, doubling your electricity demand in the ROI calculation. We cross-check the savings figure against the kWh number on your actual annual electricity bill.

Inflated export rates

Quotes that model your exported solar at 20–30p/kWh because that's the headline of one tariff. Real-world SEG export is typically 8–15p depending on tariff and contract length. The savings claim should reflect the rate you'll actually receive.

Missing equipment SKUs

A quote that says "premium 450W panel" or "GivEnergy hybrid inverter" with no model number is a quote that can be silently downgraded between contract and install. We flag every line item that doesn't name the specific component.

DC/AC mismatch + sizing flaws

UK installs typically run a DC/AC ratio of 1.15–1.30:1. Quotes above 1.40 silently cap your output on sunny days; quotes at exactly 1:1 are leaving generation on the table. We check the maths.

Optimiser misjudgement

Optimisers and microinverters are right for some roofs and wrong for others. Quotes that include optimisers on a south-facing unshaded roof are upselling. Quotes that skip optimisers on a partially-shaded array are under-spec. The reasoning should be in the quote.

High-pressure + finance traps

Discounts that materialise only if you sign today, finance products with double-digit APRs hidden behind "monthly from £X" framing, rent-a-roof clauses that bury 20-year lease obligations in optional small print. We pull all of this into the report.

How it works — 5 steps

1
Send us the quote

Email the installer quote PDF to us, along with a recent electricity bill (so we can pressure-test the ROI claim against your real usage) and a few sentences about what you're trying to achieve.

2
Free 15-minute chat

We call you back, walk through the quote at a high level, flag anything we can see immediately, and confirm whether the paid deep-dive is going to surface anything useful. No obligation — if the quote looks fair, we'll tell you on the call and let you go.

3
Paid deep-dive (optional)

£95 for a single quote or £145 for multi-quote comparison. We go line-by-line through equipment SKUs, sizing logic, ROI claims, finance terms, and total pricing benchmarked against trade hardware costs.

4
Written report

Typically 3–5 pages per quote. Red-flag list with severity rating, equipment-spec verification, pricing comparison, ROI sanity check, finance/small-print summary, and recommended next-step questions for the installer. Delivered within 3 working days.

5
Follow-up if you want

Free 10-minute follow-up call after you've read the report. If the report turns up enough that you want to renegotiate, you go back to the installer armed; if not, you proceed with confidence. Either way, your decision is now defensible.

FAQ

Solar quote sense check — frequently asked questions

The big patterns we screen for: inflated savings projections (modelling you as if you already have an EV and a heat pump when you don't), inflated export-rate assumptions (using 20–30p/kWh when SEG reality is 8–15p), missing equipment SKUs ("GivEnergy hybrid inverter" with no model number), undersized inverter for the array (DC/AC ratio above 1.4 silently caps your output), missing optimisers on a roof that needs them, unnecessary optimisers on a roof that doesn't, monitoring listed as an optional add-on (it shouldn't be), scaffolding hidden in the small print, finance APR over 12%, exit fees buried in a rent-a-roof clause, and discounts that materialise only if you sign today.
You email us the installer's quote PDF. We have a free 15-minute chat where you tell us what matters to you — bill cut, EV charging, off-grid resilience, FIT replacement, whatever. For the paid sense check (£95 per quote, £145 for 2–3 quotes side-by-side), we go through it line-by-line: equipment SKUs verified, sizing logic checked, ROI assumptions tested against your actual electricity bill, and total price benchmarked against our knowledge of trade prices and reasonable installer margins. You get a written report within 3 working days.
We know what installers pay wholesale for the major inverter and battery brands — GivEnergy, Sunsynk, Fox ESS, SolarEdge, Tesla Powerwall, Pylontech, BYD, the panel manufacturers. We don't share trade-confidential pricing publicly, but we use it as the reference against which your quote's hardware cost is benchmarked. A reasonable installer margin on hardware is 15–25%; quotes pricing hardware at 50%+ markup get flagged in the report.
No. We don't take installer referral commissions and we don't want to. The sense check tells you whether each quote is technically sound and fairly priced — not who you should buy from. If two of your three quotes pass the screen, you choose between them on the things only you can weigh: aftercare reputation, gut feel from the salesperson, lead time, warranty terms, finance fit. We're engineering, not sales matchmaking.
Useful data. If the installer can explain why your roof genuinely needs the spec they've proposed — and the reasoning holds up — great. If they refuse to engage with the technical points, or react defensively, you've learned something about how they'll behave if there's a snag later. Either way, you're no worse off than before the sense check, and probably better armed for whatever happens next.
On average, in the quotes we screen, we find 8–15% of headline price that's either over-priced hardware, unnecessary specifications, or misrepresented savings inflating the ROI claim. On a £10,000 system that's £800–£1,500. The £95 sense-check fee pays for itself many times over even when the quote is broadly fair — and when it isn't, the savings are much bigger. We also catch under-spec that would have cost you years of underperformance.
Both options work, but they answer different questions. Before quotes — get an independent design first (£245), tender that to installers, and the sense check becomes much faster because there's a written spec to compare against. After quotes — send us whatever you've got and we screen each one against industry benchmarks and your own usage profile. Either order produces a defensible buying decision.
Rough benchmarks for a standard installation (May 2026 prices, VAT-free since 2022): 3–4 kWp solar only — £4,500–£7,000; 4–5 kWp solar + 5 kWh battery — £8,000–£11,000; 5–6 kWp solar + 10 kWh battery — £10,500–£14,500; complex roofs (multiple pitches, optimisers, three-phase) add 10–20%. Quotes outside these bands aren't automatically wrong — there are legitimate reasons for premium equipment, complex installs, or unusual sites — but the sense check explains why a quote sits where it does.
Quote sense check enquiry

Send us your solar quote

Tell us a bit about the system, attach the quote (or paste the figures), and we'll come back within one business day to schedule the free 15-minute chat. No obligation to proceed with the paid sense check.

  • Free 15-min initial chat — no commitment to the paid review
  • Written report within 3 working days of paid sense check
  • Independent — no installer referrals, no recommended-list kickbacks

By submitting you agree to be contacted about your diagnostic request. We don't share your data with 3rd parties.

Call 07944 877 329 Book free diagnostic