From Derelict Garages to New Homes: Why This Planning Permission Took Five Years
- Millen Homes

- Jul 24
- 2 min read
There are planning permissions that arrive in a matter of months. And then there are the ones that become a lesson in patience.
Our site at Pond Park, Chesham falls firmly into the second category. For almost five years, this small brownfield site sat in planning limbo. What had once been a collection of tired, redundant concrete garages, surrounded on all sides by existing homes, had an obvious opportunity for regeneration, yet changing planning policy meant bringing that vision to life became far more complicated than anyone anticipated.

When planning policy changes overnight
During the lifetime of our application, the introduction of the Chilterns Beechwoods Special Area of Conservation (SAC) restrictions fundamentally changed the planning landscape across Buckinghamshire and neighbouring authorities.
The SAC exists to protect internationally important beech woodland habitats from increasing recreational pressure as more homes are built within the surrounding area. As a result, many residential applications found themselves unable to progress until suitable mitigation measures could be secured.
Like many developers, we suddenly found ourselves navigating a planning system that had shifted beneath our feet.
Looking at every possible option
Over those five years we explored numerous ways of bringing the site forward.
Could a different planning use work? Would visitor accommodation such as an aparthotel or hotel/air bnb avoid the restrictions? Was there another route that would allow this neglected site to become useful again?
Every option required careful consideration as national environmental legislation, local planning policy and emerging mitigation strategies continued to evolve. Sometimes, development isn’t about drawing beautiful houses, sometimes it’s about solving incredibly complex planning problems.
The breakthrough
The breakthrough finally came when mitigation for the Chilterns Beechwoods SAC became available through financial contributions towards the approved mitigation strategy, allowing the impact of new homes to be appropriately addressed.
With that in place, planning permission could finally be granted.
The result is consent for a pair of semi-detached homes on land that had long ceased to serve any meaningful purpose.
Existing unused garages- planning granted for a pair of semi detached homes
Not every project is about creating an architectural statement
We’ll be honest. This probably isn’t our most striking design, and that’s okay. Every site deserves a design that’s appropriate for its surroundings, its constraints and its viability. This project was never about creating a landmark building, it was about replacing a neglected collection of ageing concrete garages with two well-designed family homes that make better use of previously developed land. Sometimes good placemaking is about quiet improvements rather than dramatic ones.
The value of persistence
One of the biggest lessons from Pond Park is that planning isn’t always a straight line;
Policies change.
Environmental legislation evolves.
Applications stall.
Solutions emerge.
What matters is having the patience to keep adapting until the right solution presents itself.
Five years may seem like a long time for two homes.
But if it means transforming an underused brownfield site into something that contributes positively to the neighbourhood for decades to come, we believe it has been time well spent.
If you are struggling with any planning issues or your feeling a little stuck we are always happy to help chat things through. Drop us an email



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