Poringland Roofers installs solar PV panels on homes across Bowthorpe, handling every roofing element from mounting frames to weatherproofing so your roof stays sound for decades.
Call any time. Calls are answered day and night and passed straight to our roofers.
Solar PV installation is not just an electrical job. The part most homeowners underestimate is the roofwork: cutting through the roof covering, attaching mounting brackets to the rafters, weatherproofing every penetration and making sure the load is spread correctly. Do that badly and you end up with a roof that leaks within a couple of winters.
We handle the structural and weatherproofing side of the installation. Certified electricians take care of the wiring, inverter and grid connection. The whole job is covered from the initial roof assessment right through to switch-on.
The process on a standard pitched roof in Bowthorpe runs roughly like this: survey the roof condition and structure, agree the panel layout, fix the rail system to the rafters through purpose-made weatherproof flashings, clip the panels to the rails, seal every penetration, then hand over to the electrician for cabling, inverter fitting and metering.
This is the question we get into detail on with every customer in Bowthorpe before any panels go on. Solar panels are designed to last 25 years or more. The roof underneath needs to last at least as long. If it does not, panels have to come off, the roof gets fixed, and panels go back on - which costs significantly more than sorting the roof out first.
The decision breaks into three situations, and it is worth understanding each one clearly before you commit to anything.
If your roof is in sound condition - tiles or slates sitting flat and unbroken, no sagging in the ridge or valleys, flashings in good order around chimneys and dormers, and gutters and fascias doing their job - you do not need to do anything to the roof before installation. A survey will confirm this, but a roof that has had no recent problems and is less than around 15 years old is usually a good candidate for immediate installation.
On a sound roof we can work confidently, knowing the mounting brackets are going into healthy timber and the weatherproofing will hold. A roof survey should check the rafters, the felt underneath the tiles, the condition of the ridge and any existing flashings.
Many roofs are in reasonable overall condition but have specific faults - a handful of cracked or slipped tiles, a section of flashing that has lifted, a small area of felt that has split under the ridge. These faults do not mean the whole roof needs stripping and rebuilding. They mean the roof needs targeted repair before the panels go on.
Repair makes sense when the main structure is sound - no rot in the rafters, no widespread failure of the underfelt - and the defects are isolated. A competent roofer can replace individual tiles or slates to match, re-dress flashings with lead or lead-effect materials, and seal any minor penetrations. Cost for repair work of this type is typically in the range of £200 to £800 depending on what is needed, which is a small fraction of a full re-roof and a sensible investment before locking panels in place for 25 years.
There are signs that repair rather than replacement is the right call:
If you are unsure, the survey will identify which category your roof falls into. There is no benefit in replacing a roof that can be repaired, and equally no sense in laying panels over a roof that is going to give you trouble.
Full roof replacement before solar installation is the right call when the roof has reached the end of its serviceable life. This is not about age alone - a 40-year-old slate roof that has been maintained can outlast a 15-year-old roof laid with poor-quality interlocking tiles. The condition matters more than the calendar.
Replacement is worth serious consideration when:
A full re-roof on a typical domestic property using concrete interlocking tiles runs broadly between £4,000 and £8,000 depending on the roof area, pitch and any additional work such as new fascias and soffits. Natural slate costs more, typically £6,000 to £14,000 for the same property, but it lasts considerably longer. These are general market figures - your own quote will depend on the specific roof.
When replacement is needed, the smart move is to re-roof first, then install the solar system onto a brand-new roof. The total outlay is higher upfront but you avoid the cost of removing and reinstating panels partway through the life of the system.
Panel removal and reinstatement is an avoidable expense that catches homeowners out when the roof under the panels fails a few years into the system's life. Removing a typical 10-panel domestic array, carrying out roof repairs, and re-installing the panels generally costs £600 to £1,500 on top of whatever the roofwork itself costs. Over a 25-year system life, doing this even once significantly reduces the return on investment from going solar.
The survey we carry out before quoting for installation is specifically designed to flag this risk early. If we identify anything that puts the roof's long-term integrity in question, we say so and explain the options before you make any decision.
For a standard home in Bowthorpe, most domestic solar installations involve 6 to 16 panels covering 1.5 to 4 kWp of generating capacity. Here are typical installed cost ranges to give you an honest starting point:
These figures reflect current UK market pricing and include panels, mounting hardware, inverter, and electrical work. They do not include any roofing repair or replacement that may be needed first. Prices vary with roof complexity, panel brand, inverter type and access requirements.
Adding battery storage lets you use the electricity generated during the day during the evening, which increases the proportion of your own generation that you actually consume rather than export to the grid. For many households this makes battery storage worth considering alongside the initial installation rather than as a later add-on.
Flat or low-pitch roofs - common on extensions, garages and some bungalows - can carry solar panels using angled ballast frames or mechanically fixed mounting systems. On a flat roof the key roofing questions are slightly different: the membrane material matters (EPDM rubber and modern torch-on felt systems are both suitable platforms when in good condition), and the drainage must be working correctly before any additional load goes on.
Flat roofs that are approaching the end of their felt or membrane life should be recovered before installation, for exactly the same reason as pitched roofs - a failing surface under a fixed array is much more disruptive and expensive to deal with after the panels are in place.
After a properly done job, the panels sit flush on a rigid rail system, with no visible gaps between the mounting brackets and the roof surface. Every tile or slate around each bracket should sit in its correct position with no cracking. Flashings around any penetrations should be neatly dressed and fully sealed. Inside the loft, the rafter fixings should be visible and clearly going into solid timber, not just into the boarding.
Ask any installer to show you the fixing points in the loft once they are in. If a company is reluctant to do this, that is worth noting. The fixings are the part of the job that matters most for both structural integrity and weather resistance, and a confident installer will have no hesitation showing you the work.
As well as Bowthorpe, we install solar panels on homes across Norwich, Wymondham, Cringleford, Mulbarton, Long Stratton, Loddon, Hellesdon, Drayton, Taverham and the surrounding villages. Our base in Poringland means we cover a wide area of south and west Norfolk, including Old Buckenham and Tibenham.
Before committing to any company for solar installation, ask these directly:
These questions separate companies who treat the roofwork as an afterthought from those who treat it as the foundation of a system that has to last 25 years.
Call us to arrange a roof assessment for your property in Bowthorpe. We will check the condition of your roof, advise honestly on whether repair, replacement or straightforward installation is the right route, and give you a clear picture of costs before you make any decisions.
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Call any time. Calls are answered day and night and passed straight to our roofers.
