It’s not for emotional reasons.
law clearly states that you cannot have an adverse affect on neighbours amenity rooms. My kitchen is in the middle of my house. One window to the side. His extension, PD I accept, will block window.
so to update this post as some thought I was being petty trying to protect my little 1400sqft house when he already has a 5000sf ft and large plot... I paid for a right to light survey... and it will do injury to several rooms but mainly kitchen.... so by law I can either get an injunction to stop him building OR the specialist said he can build but pay damages.... just to confirm I told my neighbour I was going to do this as I don’t want a dark kitchen which is artificially lit.... anyways... he too had an independent right for light assessment... his guy had same outcome as my guy.... my guy found the significant injury would be around £45k compensation HIS guy said more like £50k
told them I don’t want the money and to just not black the windows so he has agreed to not do a 26m wide extension but to do a 22m wide which will result in no injury to the right for light. He’s happy he gets to build and not pay me £50k to do so... I’m happy as I get to keep natural light to kitchen... I don’t get a penny off him but was never about money.
so I’m not being petty in wanting to protect my property on a very narrow plot. As I said if the houses were more spaced out I wouldn’t have a problem. But a solution has been found