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That implies you changed the design before you built it in order to meet the Permitted Development rules. In that case a new retrospective planning application would be for the design that meets Permtted Development rules with the possible exception of the cladding.

+1 That's what @ProDave means by... Electrician is right. They are normally mounted near the manifold as they control the loop valves. Typically they have quite a few wires.. One from each room stat One to each valve on the manifold One from the time clock/programmer. One to the two port valve (sometimes this goes direct to the boiler and is called "Boiler Enable" or "call for heat" it's the logical OR of the room stats). One to the loop pump on the manifold (also logical OR of the room stats) Possibly one from an over temperature sensor on the manifold mixer.

There are slightly smaller windows but I've no idea about the quality/features compared to Velux.. This one is nominally 45 x 55.. https://www.roofingsuperstore.co.uk/product/rooflite-fe4555-skylight-roof-window-45-x-55cm.html

Are there other dormers in your area clad in brown? If so I think I would submit a retrospective application together with a set of photos of similar dormers.

I think I would write to your MP with the history in your post above. Point out that PP has been refused twice and the school has used the field for parking for more than the 28 days a year allowed by permitted development. Ask your MP to write to the head of planning and ask how long residents have to live with the noise etc before the planning department will take enforcement action.

I suspect the cavity wall insulation wasn't done very well ...may not go up to the roof ... gaps etc Might be worth trying to borrow an IR camera? Are there big trickle vents in the large window? Too much ventilation or do you get condensation?

How much power does the house need? I think it will be easy if the server can provide it all. Bit harder, but not much, if you need a boiler or similar as well.

I suspect they have only issued another "notice of intention to begin enforcement". You have multiple options... 1) Wait for formal enforcement and appeal on the grounds it's permitted development. 2) Apply for a CLD on the grounds that it's permitted development. If refused Appeal. 3) Make a planning application. If refused Appeal. 4) Ignore them and hope they never actually issue enforcement. If someone complains planners feel obliged to investigate to avoid a more serious complaint. They might approve a retrospective planning application for what you have built because it solves all their issues. Eg it makes it all legal and kills off any complaint from neighbours. Which you choose depends on how compliant with PDR you think your work is.

Consider making a start as that extends the time more or less indefinitely. Sometimes it's enough just to form the entrance, other times they insist on you making a building control application, digging trenches and getting building control to inspect them. For ultimate safety get a certificate of lawfulness on the grounds work has started.

I suspect on most sites it would be easier to get planning for a semi than a hot food takeaway. Have you considered the impact on the value of your house? I wouldn't want to live next door to a restaurant or takeaway but that's just me.

Enforcement action can be appealed so there is no point in starting enforcement if they are likely to appeal the planning refusal. This is because the planning appeal is likely to be heard before the enforcement appeal. They have 6 month to appeal from date of refusal. Keep an eye on that date and complain to the planners when the 6 months are up. If the planners felt it was extremely unlikely that an appeal would succeed then they could issue an injunction. However these are expensive (I heard £10k for a barrister). The planners are unlikely to justify the expenditure except where a breech of planning involves major irreversible changes. For example demolition of a listed building or choping down old forest. What reasons were given for refusal? If it was refused on the grounds of noise you might try complaining to the EHO at the council. How often do they park there? Generally you are allowed to do this sort of thing for 28 days a year without needing planning permission. In my area a motorbike scrambling club were using a field for 28 days a year and there was nothing the planners could do until they exceeded that number of days. Environmental Health were more willing to investigate. It's worth reading a book like "Complete Planning Permission: How to get it, stop it or alter it" by Speer and Dade as only "valid" reasons for rejection can be considered by the planners or at appeal. Things like the impact on your property value are not considered valid reasons.

How much power does the server consume from the mains and what percentage do you think is captured by the cooling system? Where does the server currently send the heat? Air cooled rad? What's the max temperature you can allow the cooling water to get to before the server get too hot? I'm away tomorrow but others may ask same questions.

We have some paths that just drain onto adjacent lawn. They are about 1.3m wide. House wall on one side, lawn on the other. Our soil is farmed clay. Seems ok. Sizing a soakaway properly is tricky as you need a percolation test and some maths. There is a BRE guide on the subject. Main issue for some is that Building Regs require soakaway to be more than 3(?) meters from house and possibly the site boundary as well.

Modern carpets are sometimes made in two versions. Rubber or hassian backed. I guess the latter is better for VOC. I know Hessian has lower TOG which matters for UFH. PS Sometimes the small print on the back of an order form allows them to supply either version so beware to check.

UFH?

Our patio sounds similar. We made it slope away fro the house to a linear drain at the foot of a wall/step up to the lawn. This goes into the same drains as the rainwater that lands on the roof. What do you do with that?

That's what I would do. Is the CIL a thing in your area? Check what forms you need to do before starting work. Think it's form 9.

I would recommend a full application as in theory this means building control approve most of the details in advance. If you go down the Building Notice route mistakes may not get spotted until they do an inspection. Depends how confident you are in understanding the regs.

I think you just need to give them plans and ask them to sign a letter similar to Example 2 I believe. Check the latest guide to the PWA. https://www.gov.uk/government/publications/preventing-and-resolving-disputes-in-relation-to-party-walls#explanatory-booklet If they decline you need to decide if you want to get PWA surveyors involved or just ignore the PWA and get on with it.

I believe his invoices should state his company details, VAT number and your name and the property address. Wouldn't hurt to have any planning reference numbers on there as well.

It's worth noting that nothing should overhang the boundary. That includes things like gutters or the eaves or down pipes which normally project beyond the walls. When/if they set out the foundations I would write to them to make sure they wont. If you leave it until they start building walls it will be nearly impossible to get them to change anything.

The short answer is yes they can. Some councils encourage leaving 1m at the side of a house but there isn't really a hard and fast rule. If there is no way to get a rubbish bin from the back to the front you can try objecting that this layout would mean storing bins in the front garden. But that's not really a show stopper. You need to be thinking about other possible grounds such as the following (if they apply).. Loss of green open space. Is this the last in the area? Overlooking & loss of privacy if windows face your garden/house Shading / loss of daylight Appearance - Bulk / massing Over-bearing / out-of-scale or out of character in terms of appearance Detailing and materials Local design guidance / policy ignored? Lack of parking in the road if no off road parking is provided. Not enough parking spaces in relation to number of bedrooms? Driveway too near dangerous junction? Cant park where they can plug in an electric car? Local schools/doctors/dentists full

We effectively have a 4 port buffer (actually a TS) so I can describe that.. The boiler and UFH sides of the TS are totally independent. They only share a fused spur. The boiler (in our case oil fired) and its pump is controlled by a thermostat on the TS. If the TS is cold it fires the boiler which runs flat out until the TS is hot. Ours set up relies on the hysteresis of one mid height thermostat but its probably better to have two stats one nearer the top and one nearer the bottom of the tank to control the boiler/ASHP. Ours seems to work fine though. On the output side.. There is a pump on the output side of the TS that circulates water from the TS to the UFH manifolds and back to the TS. This is controlled by the room stats. Our UFH manifolds have a control box that performs a logical OR on the room stats to control the manifold loop pump and this also generates a Boiler Enable (BE). Its called BE because without a TS it would normally control the boiler. In our case these 2 BE signals are OR'd together to control the pump on the output of the store only. So the UFH treats the TS as if it was a boiler. It calls for heat as and when the room stats demand. The boiler only fires up when the TS becomes depleted. Our TS also supplies DHW and powers a towel rail in much the same way as the UFH. eg If someone has a shower the TS might become depleted and trigger the boiler but a bit of hand washing probably wouldn't. Difference between 2 and 4 port.. There is little difference between a 2 and a 4 port in the way they work and are controlled. With a 2 port the hot goes in and out of the same ports on the buffer where as on a 4 port it flows "across" buffer tank. (I think there might be an additional one way valve on the 2 port to make sure water is drawn from the buffer not the ASHP when the ASHP is off?) The 2 port has some advantages which make it better if you just need a buffer... 1) The flow rate into the buffer is lower as some goes direct to the UFH. This is claimed to reduce turbulence and provide better stratification. 2). The UFH gets access to the hottest water direct from the source some of the time. Perhaps more important for ASHP than an oil boiler? 3) The tank is slightly cheaper to make. 4 Port 2 Port Source: https://blog.heatspring.com/2-pipe-versus-4-pipe-buffer-tank-configurations/

I found they are NOT all the same. Of those I looked at there was 1 common set of dimensions and a few that were off. Might still have the spreadsheet I made somewhere. Will have a look when back at my pc.

The surveyor will have liability insurance that covers them/you for mistakes. If someone just copies a survey that wouldn't cover them. The previous owner of our plot had a ground condition report done and it was quite cheap to get it officially assigned to us.