Competitive prices. Excellent Service with prompt delivery. I would recommend IQ to others and will certainly use again.
Mr K
Excellent, professional, efficient service from IQ Builders Merchant. Needed to purchase 3000 bricks to finish a new build project, Oliver was great in sourcing the same bricks, at a very good price, had them delivered in a matter of a few days. Happy to use again and to recommend.
Mr G
Ordered the STUNNING XL Joinery PreFinished Walnut Portici Door . Very pleased with the service 10/10
Mrs W


With a 3kW (3000W) In-Roof Plug-In Solar Kit, it is estimated that you will generateæ3100kWhæper year. The carbon dioxide savings are estimated to be aroundæ1402.50 kgCO2æper year.*
Dispatched Via: Plug In Solar
Delivery Time: Estimated 5-7 Days
Product Code: PIS30
Product Brand: Plug In Solar
£3,239.99 (Exc Vat)
£3,887.99 (Inc Vat)
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  • Description
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This building integrated (BIPV) Plug-In Solar kit has been specifically put together to help developers meet the Part L Building Regulations (which is aligned with the Code for Sustainable Homes) when building new houses. This kit contains all you need to complete your solar installation and meet the SAP (Standard Assessment Procedure) calculations for your new build/office/conversion or extension. All components comply fully with the G83/2 requirements and have MCS certifications. The GSE In-Roof Integration Kit can also be used for retrofits.

The GSE integration kit is a simple, quick, lightweight, waterproof method of installing solar panels in-roof. It is much more inexpensive than doing on-roof installation of solar panels for new builds.

The GSE In-Roof Integration Kit has the following advantages:

  • Photovoltaic modules (Solar Panels) can be installed in all roof types.
  • It’s the simplest and quickest in-roof system available (as fast as installing an on-roof system)
  • It fits 95% of the PV Modules (Solar Panels) on the market
  • Solar Panels can be installed on 15° to 50° pitch
  • Compatible with virtually all photovoltaic panels on the market
  • Portrait or landscape solar panel installation
  • Meets the CEIAB 2012 standard, MCS012 Certification, and T4-Broof standards

Integration and watertightness come from installing the steel trough with a fixing system on high point. GSE Integration allows Photovoltaic modules to be fitted to any roof cover (Roman, interlocking or flat tiles, slate or steel troughs) on new and renovated buildings.

The kit can be installed in portrait or landscape format on both small installations (less than 3 kWp) and large ones (several hundred kWp). The GSE Integration system can be fitted to wooden or metal structures from 15° to 50° pitch.

Depending on panel size and thickness, virtually all photovoltaic panels on the market can be installed using the GSE INTEGRATION kit.

Plug-In Solar 3kW (3000W) New Build / Developer In-Roof Kit Specifications
14 x 250W MCS certified polycrystalline Solar Panels
(Individual solar panel dimensions are approximately 1650mm x 995mm x 40mm)
6 x G83/2 certified Dual Micro-Inverters (one for every two panels)
1 x GSE Integrated In-Roof Mount Kit (Please specify Landscape or Portrait orientation when ordering)
1 x 2 Metre AC (Mains) Power Cable (we can supply longer cabling, please ask for pricing)
1 x End Cap
2 x 20A, 3 Pole, Lockable, AC Isolators
1 x MCS Certified Single Phase Generation Meter
1 x Warning Labels Sheet
1 x Warranty and Certification Document Pack
1 x Plug In Solar Installation Manual

The Solar Panel

The 3.5kW (3500W) Plug-in Solar New Build / Developer In-Roof kit is supplied with 14 x MCS certified 250W MCS certified solar panels. Each solar panel has a 10 year warranty and a 25 year 80% power performance guarantee.

The Micro-Inverter

The 3.5kW (3500W) Plug-in Solar New Build / Developer In-Roof kit is supplied with 6 x G83/2 certified Dual Micro-Inverters. The Micro-Inverter converts direct current (DC) produced by the solar panels into alternating current (AC) for use in your home. As such, it forms the heart of the DIY Plug In Solar Kit. The Dual Micro-Inverter has a 10 year manufacturer guarantee, with the option to extend to 25 years.

The GSE In Roof Integrated Mount Kit

The 3.5kW (3500W) Plug-in Solar New Build / Developer In-Roof kit comes with a simple to install GSE integrated in-roof mounting kit. These are warrantied for 10 years.

The AC Isolator

Your 3.5kW (3500W) Plug-In Solar Kit includes two, 3-Pole, 20AMP, Lockable Isolator AC Isolators designed for Solar Installations.

The Generation Meter
Your 3.5kW (3500W) Plug-In Solar Kit includes an MCS Certified Single Phase Generation Meter.

If you have any bespoke requirements for this kit, such as a different roof mounting system, or alternative layout please contact us, we will be happy to accommodate your needs.

*Calculations undertaken using the JRC European Commission PV potential estimation utility: and the Energy Saving Trust cost and saving facility:

The Solar Panels, Micro-Inverters, mounts and fixings supplied with your kit may not match those shown in the photographs but will be of an equal or better standard.

Installations are undertaken at your own risk. The Installation manuals provided are to be used as a guide only, and your discretion must be used when installing the Plug In Solar product. Plug In Solar take no responsibility for incorrect installation of our product.

Here at IQ Builders Merchant we offer such a wide variety of products in all manner of shapes, sizes and weights. Each of our ranges has a particular delivery process to ensure the safe delivery of each item. Below we have listed a selection of our best selling ranges and the delivery time for these ranges;
  • Brick Reinforcement - 1-2 Days
  • Building Materials - 1-2 Days
  • Deanta Doors - 2-3 Days
  • JB Kind Doors - 5-7 Days
  • XL Joinery Doors - 5 Days
  • LDP Doors - 3-5 Days
  • Jeldwen Doors - 3-5 Days
  • Timber Windows - 4-5 Weeks
  • Roof Windows - 1-2 Days
  • Tools 1-2 Days
  • Drainage 2-3 Days
  • Velux Roof Windows usually 1-3 Days
All deliveries are subject to stock and we will be sure to give you as much notice as possible for any stock issues that may affect your delivery.

To keep things simple we have 3 delivery services/costs.
  • Free Delivery – Orders over £250.00 INC VAT
  • Standard Delivery £10 – Usually courier delivery.
  • Big & Bulky Delivery £35 – Items that require special attention for delivery, usually doors/bricks/blocks and most items that require delivery on a pallet.
Additional Delivery charges apply for the following postcodes: PA, DD, PH, KW, KV, AB, IV, HS 

A preferred delivery date can be entered when ordering, however this is not guaranteed. 

Deliveries are made between 7.00am – 5.30pm Monday - Friday although we will give you as much notice as possible for early/late deliveries.

In all cases we are able to arrange Saturday deliveries although this is a chargeable service.

Delivery will only be arranged to destinations within mainland UK. Please supply the full delivery address at the time of order this may differ from the billing address so long as the billing address matches the card holder’s address.

Delivery will occur when the Goods are ready for unloading at the delivery address specified at time of order or as subsequently agreed by both the buyer and IQ Builders Merchant.

Any dates specified by IQ Builders Merchant for delivery of the Goods are intended to be an estimate and time for delivery shall not be made of the essence by notice. If no dates are so specified, delivery shall be within a reasonable time.

Subject to the other provisions of these conditions, IQ Builders Merchant shall not be liable for any direct, indirect or consequential loss (all three of which terms include, without limitation, pure economic loss, loss of profits, loss of business, depletion of goodwill and similar loss), costs, damages, charges or expenses caused directly or indirectly by any delay in the delivery of the Goods.

IQ Builders Merchant shall arrange for delivery to site on the understanding that there is a suitable road to the delivery address requested. If no such road exists delivery will be made to the nearest point to which, in the opinion of the driver, the vehicle may safely proceed and unload. Except for the use of a vehicle mounted crane, the Buyer will provide all necessary labour and equipment required to unload the Goods promptly.

A signature on the delivery note constitutes that all materials have been received in good order.  It is the responsibility of the buyer to ensure that all goods have been checked and any damages noted to the delivery driver at the time of delivery.

Delivery of all Heavyside/Big & Bulky/Pallet items are made kerbside.

All deliveries of palletised products (Brick/Block/Paving/Specified at time of order) will be delivered using a pallet truck. A Crane offload delivery service is available also at an extra cost.

Parcel deliveries will only be made once to the specified delivery address, any required re-delivery may be chargeable.

It is the responsibility of the buyer to be home/on site on the day of delivery agreed by both the buyer and IQ Builders Merchant.
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