Fibre now fixed but slow speeds.

[#1]

Hi,
I upgraded from broadband to Fibre. The switch should have completed last Wednesday but it turns out the engineer plugged me into the wrong port. So no broadband for the past week. Anyway the engineer visited this morning and fixed the problem but I am now getting slower speeds on fibre than on broadband. Is this normal?
The plusnet data transfer page says:
Phone exchange:
BEDMINSTER
Estimated line speed:
80Mb (This may vary between 73.9Mb and 80Mb) - Checked on 2016-02-23 11:55:17
Current line speed:
16.6 Mb

I am currently getting 14Mbs download on speedtest, will this increase or is there a problem?
Just talked to plusnet on chat and they said it will take up to 4 hours for the speed to increase after a line reset, call back in 24 hours if there is still a problem. Is this true?
Thanks

[#2]

The chat agent could have upped your Plusnet line speed there and then if they had wanted to. Don''t know why they said wait.
Perhaps ChrisP who is answering some forum posts today will change the Plusnet Line Speed for you.

[#3]

I've bumped the profile on our side. If you try a disconnect/reconnect you should hopefully see an improvement.

[#4]

Thank you, I am now getting 72 Mbps download speed. I appreciate the help.