Growing IG/F following - Windows and doors installer in the UK

Hello, I need a short strategic plan on how to grow the following channels:

https://www.facebook.com/SGSwindows
https://www.instagram.com/sgs.windows/

We will have a small allocated budget for paid ads as well.

I need a social media specialist (ideally in construction B2C) to deliver one to two pages document - to include what type of content we need, specific steps on what to do to grow organically the following, best ways to utilise small budgets for paid ads. We have a person who creates reels for us and we would like to guide her on best ways to use this content.

The team is very small and people don't like to be in front of the camera so please do not suggest meet the team topics or interviews with the team. Original ideas for giveaways are welcome.