Keep the purpose specific
For CCTV in Sydenham, explain whether you need a view of a caller, an approach to the property or activity within a business. A broad image is not automatically useful at the point where detail is needed. Describe that point and the event you want to understand before comparing camera numbers.
Where an entrance or path is shared, establish who controls it and can authorise equipment. Consider the relevant ICO guidance for recording and access to footage rather than assuming a shared-space camera is only a technical decision.
Consider the building and normal obstructions
Tell us about recessed doors, changing lighting and anything that regularly blocks the proposed view. If equipment already exists, describe the conditions in which its images are disappointing. The cause may involve the position or recording setup as well as the camera.
Check relevant property restrictions before agreeing external positions. Discuss cable routes, recorder location and network access, especially where a landlord or another occupier must be involved. A practical installation plan should include those arrangements from the outset.
Make the finished system usable
Identify the account holder and authorised viewers. Ask what recording history is proposed and whether remote features involve subscriptions or connection requirements. During handover, find a specific event and practise exporting a clip. Confirm that the responsible users can administer access when phones or occupants change. Keep the instructions available and revisit coverage if alterations or new obstructions change the view.
Further information: ICO guidance for home CCTV · ICO guidance for organisations