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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.

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  1.  
    Hi, room is 3.6m x 2.4m ie. 8.64m2

    I understand 500lux is required fro Office lighting, so I would need a light of 4300lumens? I have found a 4000 lumen one in Toolstation but wondering if that is up to the task?

    As such can anyone recommend a light for this purpose? The wiring will need to be surface mounted

    It will be myself in this office so have no requirement for any sensors etc, just a standard switch but maybe dimmable?
    •  
      CommentAuthordjh
    • CommentTimeNov 15th 2021
     
    Posted By: VictorianecoI understand 500lux is required fro Office lighting, so I would need a light of 4300lumens? I have found a 4000 lumen one in Toolstation but wondering if that is up to the task?

    Leaving aside the numbers, I would never fit just one light in a room. Firstly, as and when the lamp fails it's useful to have an alternative source of light. Secondly, multiple sources help to fill in shadows that can otherwise be quite annoying. And thirdly, if they can be controlled separately, they give some flexibility in lighting to suit circumstances.

    Make sure there's at least some overhead light in front of a desk rather than behind the person in the chair.
  2.  
    Even in a room 3.6m x 2.4m?
    •  
      CommentAuthordjh
    • CommentTimeNov 15th 2021
     
    Posted By: VictorianecoEven in a room 3.6m x 2.4m?

    I have 6 LEDs split between two fittings in our shower :bigsmile:

    You can always plug in standard lamps or desk lamps I suppose, but I'd rather have too much than too little.
  3.  
    Haha, I was thinking of one strip light or flat panel

    Couldn't find anything related to sizing other than lux
    • CommentAuthorGreenPaddy
    • CommentTimeNov 16th 2021
     
    Go for an LED flat panel. We used to use cat3 lighting, which basically had lots of silver reflectors in a grid, so the light did not reflect off the monitor screens.

    The LED panels give a very flat light, and do a much better job, look much better in my opinion.

    A 300x1200 would be good for a rectangular room, but various dims in 300mm steps are avail (300x600 , 600x600, etc)

    They come as recessible, but can buy a frame to make surface fix.

    Office working usually are daylight 5000K. I'd have thought a 30W unit would be fine
    • CommentAuthorGreenPaddy
    • CommentTimeNov 16th 2021
     
    I've PM'd a couple of links, that at least might point you in the right direction
  4.  
    Thanks for the links, we already picked up 2no. 4ft LED tubes yesterday

    Thanks
    • CommentAuthorrhamdu
    • CommentTimeNov 22nd 2021
     
    Now get yourself a couple of decent adjustable desk lamps, and you may find you only need the overhead lights for cleaning.
    Use one lamp to create a pool of light in front of you that reduces contrast between your screen and its surroundings (i.e. screen glare). Deploy the other lamp for comfortable reading/writing on paper.
    I'm assuming this is a one-person home office and you want it for typical office work, not watch repairs or something like that.
    Good advice here:
    Posted By: djhLeaving aside the numbers, I would never fit just one light in a room.
  5.  
    Any recommendations on a decent desk light?

    This is for a 1 person office within a bigger office/storage unit
    •  
      CommentAuthordjh
    • CommentTimeNov 23rd 2021
     
    Posted By: VictorianecoAny recommendations on a decent desk light?

    I always liked Anglepoise.
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