OPEN - ESDS

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6. L.A. This is the Local Authority code number on the PAF and is
(Local converted into the LA name at the bottom left of the sheet.
Authority) If more than one is listed you must call at each for
rateable values, concessionary fares etc.
7. W (Ward) This gives a code number for the electoral ward in which
each address is located (for office use only) .
8. Grid This gives the grid reference of the first address in the
Reference post code shared by the sampled address. There are, on
average, 17 addresses in each postcode so although the grid
reference may not be the precise one for the sampled
address, it will only be in an unusually widespread postcode
area that the sampled address is far from the grid
reference.
Most quotas, ie 17 addresses should fit onto one page of A3 size computer
printout. Howevsr, if the quota contains a number of ‘divided addresses’ it may
continue onto a second or even third page. Furthermore if the quota covers more
than one postal sector the sampled addresses in each sector will be printed on a
separate page.
If you have any difficulty in interpreting the computer listing or in finding an
ad5ress (after following the recommended procedure) please telephone Sampling
for further information (Ext 2366) . ?.lake sure you have the address to hand whez
telephoning!
Using grid references on PAF samples
All PAF addresses ha= an Ordnance Survey grid reference attached to them. This
is printed out on your address list. They are useful in planning your work i~
rural areas, particularly as addresses do not always fall in the Post-town qiv?n
on the address list.
A word of caution - not all the grid references will be completely accurate.
There may be occasional errors in them and since the reference is for the first
address in the post-code containing the sampled address, rather than the
specific sampled address, it is a guide to the locality of your sampled address
rather than an accurate location. Howev?r, we understand that 90% of addresses
are within 400 metres of the grid referenced address.
Grid references may still leave You unable to find some rural addresses and they
are not as useful in urban areas where a street map would be more useful. If
you still have problems locating an address, please refer to the section
“Addresses difficult to find”, page 6.
You need an Ordnance Surrey map of your area, which is fairly large-scale -
1 : 50,000 or 1 : 63,000 are best.
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