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No SEO filler. These are the questions homeowners actually ask us, answered honestly.
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Solar PV and EV charging, designed in. Sharp Heating, Hertford.
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grants finance
From 21 July 2026 the Boiler Upgrade Scheme rises to £9,000 for homes heated by oil or LPG. Here is what the change means for off-grid homes across Hertfordshire, Essex and North London.
4 min readhow to
What landlords in Hertfordshire, Essex and London need to know about CP12 certificates, inspection frequency and record keeping.
5 min readrenewables
When adding a battery to a solar install makes sense, and when it does not. Payback periods, smart tariffs, and export rates explained.
7 min readheating
Signs your boiler is on borrowed time, and why repair-or-replace is more nuanced than "over 10 years, bin it".
6 min readheating
A considered comparison for UK homeowners weighing a new boiler against a heat pump. Running costs, upfront cost, and how each install looks in a serious home.
8 min readgrants finance
How the £7,500 BUS grant for heat pumps actually works, who is eligible, and how Sharp Renewables handles the paperwork on your behalf.
7 min readrenewables
A clear guide to air source heat pumps for Hertfordshire homeowners: how they work, what they cost, and how to install them properly.
9 min readTalk to the team or book a free no-obligation survey. Most enquiries quoted within 48 hours.
