I would use landscaping to change the visuals from the curb.

Just going by sight, I would rate the curb appeal of the place pretty highly in the area.

Will you be at a disadvantage to getting quality rents in because of the curb appeal?

But it does nothing to boost my credit worthiness with any banks.

It's dramatically boosted the economy on the US side. 

. , ideal situation would be to invest where the rental market is strong but no new construction to curb the demand , supply needs to be low all the time .

I have to believe that with 5 properties, and 15 year mtgs on each, that would significantly boost your cash flow.

Trying to boost my credit score over time.

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Factor in about 10% of the sale price to go towards closing costs (transfer taxes, commissions, attorney fee, etc) and miscellaneous expenses and you're at $625K so far - this is NOT including demolition costs, holding costs (taxes, utilities, insurance, management, etc), architectural drawings, surveys, building department filing fees, etc.That said, you may also want to consider the costs and potential benefits of adding sq ft. to the existing home and/or updating the home to potentially boost your sale price.All the best!