Guides

Straight answers on rebates, solar, batteries & bills.

Clear, independent guides from an audit company that doesn't sell or install anything — so there's no system we're steering you toward. Figures are grounded in current schemes and flagged when they change.

Business · UK

Commercial Solar and Capital Allowances: The Annual Investment Allowance and the 'Full Expensing' Trap

How the Annual Investment Allowance cuts the real after-tax cost of a commercial solar install — and the common 'full expensing' mistake that catches businesses out.

Battery · UK

Solar in the UK: Do You Actually Need a Battery? When Storage Pays on a Smart Tariff — and When It Doesn't

You've got solar (or it's on the way). A battery is the obvious upsell — but the numbers only stack up under specific conditions. Here's the honest version.

Solar · UK

0% VAT on Solar and Batteries Until March 2027: What It Covers and the Deadline That Actually Matters

The temporary 0% VAT rate on home solar and battery installs is real money off — but it's smaller than it sounds, and the deadline is less urgent than the sales patter suggests. Here's the honest version.

Solar · UK

Is Solar Worth It in the UK in 2026? What a 4 kWp System Really Saves

An independent, no-strings look at what a typical 4 kWp home solar system actually saves in 2026 — with 0% VAT, SEG export, self-consumption and honest payback maths.

Tariffs · UK

Economy 7 and Smart Tariffs Explained: Shift the Big Loads, Cut the Bill

How the cheap overnight window works, which loads are worth shifting, and the honest cases where a time-of-use tariff will cost you more than it saves.

Heat pumps · UK

The £7,500 Boiler Upgrade Scheme (BUS) Explained for 2026: Who Qualifies and Whether a Heat Pump Actually Pays

The £7,500 grant is the biggest home-energy incentive in the UK — but the grant is the easy part. Here's who qualifies, what an air-source heat pump really costs afterwards, and the honest test of whether it pays for you.

Heat pumps · UK

Is a Heat Pump Worth It in the UK in 2026? Running Costs, the £7,500 Grant, and Who It Doesn't Pay For

An independent look at heat-pump running costs on a smart tariff, the Boiler Upgrade Scheme grant, and the honest question of whether it actually pays for your home.

Solar · UK

The Smart Export Guarantee (SEG) in 2026: How Export Tariffs Work and How to Pick a Good One

Export rates swing from around 4p to 16.5p per kWh, and your import and export supplier don't have to match. Here's how to read the market without getting dazzled by headline numbers.