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Actually, because of the "party wall etc. act" consent is often not required for access. However notice must be given. In an emergency there is no minimum notice period.

Have you considered the other possibility of using a maintenance free joint such as a crimp? This need not be accessible.

An electrician can advice on things like number of sockets in each room. There are companies that do lighting design, but it tends to be an up-market service. Some quick googling found these two: http://www.jb-ld.co.uk/page/lighting+consultancy...

Approved Document L1B para 3.5 Although The Building Regulations 2010 Regulation 21, paragraph 1, mentions "the carrying out of any work to or in connection with any such building or extension". In reality know one is going to be checking up on it.

Update: We managed to talk to them last night. They are not dissenting. The engineer is a friend of the family, who is involved in the construction industry. He's already seen the plans and doesn't see any problems. He'd just like to discuss a couple of things with our builders...

holmslaw is concise and correct. A couple of clarifications though: Part L doesn't apply to rewires, but it does apply to extensions. You will have to install at least 75% energy efficient lighting in the extention, taken as a whole. Your building inspector will be happier with the...

Our foundations are designed to be 900mm deep. They aren't anything special - a standard design. I would have thought the trend over the years would be for foundations to get deeper, so assumed that the neighbours would likely be less.

There are two uncertainties about weather the act applies. As woody points out - the act only applies if the excavations are deeper than the neighbours foundations. The depth of the neighbours foundations won't be known until we've started excavating (It's a 1960s, two story house). The depth...

I think that will be me first action, yes. We'll seek verbal clarification.

In that case I would expect them to ask who I'm appointing, not arrange a meeting with my builder. Even if the adjoining owner doesn't understand the process, the engineer should advice them, no?

Hi, My wife and I are building an extension to our semi. We have planning permission and building regs approval. As the new foundations will be about 2 meters from our neighbours property, we sent them a party wall notice a week ago. This was based on the standard letters at the end of the...

Thanks for the various replies. However I don't think I made myself clear with requirements. With PIRs there is a trade off between speed of detection and false alarms. Normally the important thing is low false alarm rate. This is achieved by requiring multiple pulses before a signal is...

Those tend to be mains powered and have long timers on them from what I've seen. I'm just after a standard alarm style PIR but that is quite sensitive.

In the spirit of DIY I'm building a custom system. I just need a normally open or closed contact on the output. I was hoping for considerably less than £60 each too!

Hi all, Strictly speaking this shouldn't be in the alarm forum, but I figured it was the best place for it. I'm looking for a PIR to use as an occupancy sensor. It doesn't need to switch any significant load however - it'll be feeding into some home automation electronics. So the main...

However, if the electrician was part of NICEICs scheme, the work should have been notified to NICEIC who would in turn inform building control and send a copy to the person ordering the work. If you haven't received anything from NICEIC, that implies he hasn't notified it to them, and so...

The original 3W LEDs claim to be equivalent to a 100W Halogen. That's impossible. 100W halogen gives ~1670L To get that from 3W would require a luminous efficacy of over 550 L/W. The maximum theoretical efficiency for a white light source is 251 L/W. In reality we can manage about 130L/W...

I'm very surprised by that interpretation, and other LABCs may differ. Not, that I'd argue with him! :wink: Think of it another way - why is that clause in there? To stop all those people making there own transformers? Or is it to stop someone from hooking 200W of 12V Halogens to a...

No, I don't think many do. I think the rational behind it is that the current on the ELV side can be so high and so correct cable choice is important.

The important bits are "pre-assembled" and "lighting sets". If you buy a transformer in a box, then buy some lights, in another box, then choose some cable you've already got to connect the two, it is not a pre-assembled lighting set, so is notifiable.