What are the reasons for the building regulations? and why do architects always dislike these regulations?

Well, apparently the building regulations are there to protect the urbanely appearances of the cities and to guarantee the comfort & safety of the human beings who use these buildings.
Also, they maintain the discipline and order of the circulation and guarantee that the design puts the right function in the right place .
The Environmental & Social circumstances are also so important and they've got to be considered and respected.
I think without these legislations we'd have designed randomly and the final image would have been so ugly and the Environmental conditions would have been neglected and the comfort of the users would have been gone.
As per why we, the architects, hate them, that's because they obviously restrict our imagination.
The architects love to unleash their imaginary ideas.
They would hate to see their ideas and designs get distorted by the regulations and structural laws.
In the end these laws make every city distinct.
Sometimes we recognize cities just from the skyline and the streets order.
that's my opinion & Thank you for Inviting me .
Regards.

Hello Ahmed, how are? First, regulations are in general important in all aspects of our life, they sure help to discipline and refine ourselves, behaviors, the actions and reactions....etc Our architecture is considered as a mirror that reflects who we are, and so our cities but in a larger scale.
The more the city is well planned and arranged, the more humen of this city become positively influenced, so more active and better organised.
Second, not only architects hate building regulations, but almost everybody hates any kind of rules, because we are by nature dislike to be forced by others to obey obligatory orders and regulations, this's normal ! Imagine when you have to modify and sometimes change your concept and design for such regulations, you may think "as an architect" that why not to be free and design whatever i want to? so our city will be full of dissimilar and various projects?.
That's how architects think and this's why they hate building regulations.

Briefly building regulations were mainly implemented for safety reasons, then evolved to meet each area/ country's requirements & own philosophy measures....why do architects hate them? ...
not only architects but designers too...simply because of it's constrains and limitations ...it's like a helium balloon tied to the ground :)

الجزء الأول من وجهة نظري : انه في حالة عدم وجود نظام لا يوجد عمار لان كل شخص سيقوم بعمل نظامه بنفسه الجزء الثاني : لان المعماريين او بعض منهم لا يحب من يقيده باللوائح والقوانين ومنهم من يجد فيها ظلم بين لقطعة الأرض التي ستصمم او المبني الذي سينشأ

it's such specifications are set by the government as minimum standards for building design and construction, and are there to ensure the health and safety of people in and around buildings by providing functional requirements for building design and construction.
The regulations also promote energy efficiency in buildings and contribute to meeting the needs of disabled people.some architect think that regulations are part of the background, and not something that seems too important in shape their design philosophy and this is a result that when you're at university or when you're going through architectural courses, there needs to be a time when each architect is allowed to develop their spatial thinking without having to learn about regulations.

In3 words : the building must secure three points :1 - the function2 - the firmness3 - the beauty

IS A PERSONAL ARCHITECTS MATTER OF1.LOSS OF INSPIRATION IN SPACE,DIMENSIONS,FORM VARIETY

2.ELIMINATIONS IN SCHEMES AND FREE DESIGN COMBINATIONS AND 

3.SELF INSPIRATION DECREASE