A4 Flyer folded into DL size for Solar Power

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This customer received 32 flyer designs from 12 designers. They chose this flyer design from Tony Walker Graphics Limited as the winning design.
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We need a design for a A4 sized flyer folded into a DL sized flyer. We are a Sydney based Solar sales, design and installation company called 'GPG Solar'.
This flyer is designed to inform and educate the general public on how much saving they can make by installing Solar panels on top of their household roof.
I already have the texts of the flyer copywritten, so all i need is the design.
Since the flyer is folded from A4 to DL size, there will be six faces, I've labelled and attached the documents for the layouts.
You can take any picture from our website: www.gpgsolar.com.au
I've also attached a few pictures, but if that's not enough please add your own.
Updates
If you want some reference, our current website is www.gpgsolar.com.au
Target Market(s)
Adults of Metro Sydney aged between 35-60 which own houses, and want to make savings on the their everyday electricity expenses.
Industry/Entity Type
It Company
Look and feel
Each slider illustrates characteristics of the customer's brand and the style your logo design should communicate.
Elegant
Bold
Playful
Serious
Traditional
Modern
Personable
Professional
Feminine
Masculine
Colorful
Conservative
Economical
Upmarket
Requirements
Should not have
- Do not put the Logo on the front of the brochure.