Those heading Gungahlin-bound on the light rail may have already seen the spooky transformation take hold of the Flemington Road house but owner Cristina Garcia promises that it will only get better come Thursday.

When the sun goes down, the undead will come to life and crawl across Garcia's front lawn, the creepy music will play and the eyes on the giant redback spider clawing its way down the front of the house will glow.

"We started with a haunted house theme and we contacted Tracey from Kids Coolest Parties, because she's done a few parties for us and we just got a bit of input from her," Garcia says.

"She came up with just doing the graveyards and even then we've put humourous names on them - including Ben Dover and Juanita Treat. We wanted it kid-friendly because we get a lot of traffic from Harrison school but also to be like 'Wow, that looks awesome'."

This is the first year the Harrison home has gone all out for Halloween, but it hasn't been without wanting to. Garcia's husband Marcos Banuelos is originally from America and the Halloween is his favourite holiday.

His hope is that others will follow the family's lead and get into the spooky spirit, even if it's just by decorating with a few spiderwebs in the front window.

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"We're already working on next year's. After the spider on the roof, I just feel like we have to top it," Garcia says.

"I'm not sure how or when it happened, but I started taking over and planning things for next year. My husband was like 'See, I told you it was going to be something that you'll get into'."

It may seem like a lot of decorations for just one day but in the not too distant future, Garcia will go through the process all over again - this time with Christmas.

While Halloween is the first for the Harrison household, Christmas is not, with the Flemington Road house regularly putting up lights and giant inflatables for the festive season.

"Christmas has always been my thing and I guess this year with him starting Halloween - because even our kids just got so into it - I think it will be Halloween and Christmas from now on," Garcia says.