Neighbour concerned about 'raised platform / decking'

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Hello everyone,

I had a landscaping firm draw up some plans for our garden.

Our garden is located on a very steep cliff, so the highest point to the lowest point is quite a difference.

I've very crudely(!) mocked up what garden looks like below. The entire garden slops from right to left, with a steep decline. There's existing patio and steps that have been built into the incline, and have been there for ten years.

The patches in blue are new areas we're building with the landscape gardener. These are constructed from railway sleepers, and are filled with play bark / mulch for our children to run around on. Before renovating the garden these areas were completely unusable due to the steep incline, dangerous to our kids and overgrown with flora and fauna.

A neighbour has taken issue with the build because they feel their privacy has been removed. I've offered to keep some shielding plants next to their garden, which seems to have appeased them for now -- but I suspect this is only the start of their complaints.

They've informed me that I will need planning permission for this build for the following reasons:

- The decking is more than 30cm above the ground.
- Together with other extensions, outbuildings etc, the decking or platforms cover more than 50 per cent of the garden area.

After reading up on these forums, and others, I believe this acutally falls within permitted development for a few reasons:

- The technical guidance states: " where ground level is not uniform (for example if the ground is sloping), then the ground level is the highest part of the surface of the ground next to the building." our garden is on a massive cliff so the highest part of the surface is way above anything suggested to be built. The play areas are raised above the ground, but that's by necessity of being on a slope -- they come way below the higher part of the surface.

- "A raised platform is defined in the ‘General Issues’ section of this document, as any platform that has a height of more than 0.3 metres (see page 6). Garden decking will therefore be permitted development under Class E subject to it not exceeding this 0.3m height limit and subject to the other limits and conditions under this Class."

- The play areas aren't technically decking, because they are simply wooden railway sleepers filled with bark. There's no intention to use them as one would a patio or decking.

The build is already 50% progressed and paid so I don't want to stop it. I see my options as:

1. Continue with the build. Appease neighboour over privacy concerns by planting trees and hope they don't report to planning. This is what I'm doing currently.
2. Stop the build altogether. Remove the play areas. Lost the money I've already spent and my kids have an unusable garden.
3. Go to planning with the plans. Wait for the inevitable rejection. This will destroy my case that this is permitted development. I really don't want to do this.
4. Attempt to get a Lawful Development Certificate for the permitted development.

Any help, advice and guidance greatly appreciated on what are the best next steps and whether the permitted development argument is likely to hold water. The "50% of the garden area clause" gives me most pause for thought.




Play areas.png
 
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Sorry, I know my diagram sucks. I want to keep some anonymity for now. Especially if this becomes litigious...
 
If you're sure it's PD then what's the problem, apart from ****ing off the neighbours? Are they actually now overlooked etc?
 
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If you're sure it's PD then what's the problem, apart from ****ing off the neighbours? Are they actually now overlooked etc?
I'm fairly sure after reading up on here it's PD, yeah. I'm never had this before so a bit anxious if I get told to rip it all up in the end and my kids don't have a usable garden again. Plus dealing with Planning people not understanding the rules.

Yes, they are overlooked now by virtue of the elevation. I'm at the top of a cliff and they're at the very bottom. I can see into their kitchen from mine. Always been that way due to natural height differences in properties.

They've hinted they're going to go to planning if they feel overlooked. I'm trying to mitigate this by planting shrubs and screening plants at their end of the garden to appease them...
 
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You may have to fight a bit but if any part of it is less than 30cm from natural ground level on a sloping site then it's pd. Some councils initially say it is not but back down under pressure. There are other threads on this forum.

The 50% rule is 50% build on the whole site not just garden.
 
It's quite simple, the height is measured from the highest point of the existing ground level. Unless PD rights have been removed.
 
Thanks both. I know you're both knowledgeable on this issue and I've read similar threads where you've helped people.

I can confirm PD rights haven't been removed.

Ah, so 50% will include the entire house and driveway too? This is what I'm most concerned about them challenging.

I think if asked I can say, which is true:

"The proposed works involve the creation of informal mulched play zones for children, contained by a simple edging of railway sleepers. These areas are not raised platforms, but are gently contoured play areas that naturally follow the contours of the sloping site."

Would you recommend I seek out a Lawful Development Certificate before my neighbour raises a complaint or simply continue the build?
 
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From planning portal "
Outbuildings and other additions must not
exceed 50% of the total area of land around the
original house. Sheds and all other outbuildings
and extensions to the original house must be
included when calculating this 50% limit."

As long as you think it is PD, I'd just crack on, and face any further communications as they crop up.
 

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