A whole-house refurbishment is the project owners most often assume needs no permission, and in Chelsea it is the project whose risk sits almost entirely outside the room being decorated. The reason is that a refurbishment does not stay inside. Somewhere in the scope there is a window that has to be replaced, a front door that has failed, a railing being reinstated, a boundary wall being repointed, a roof slope being re-covered. RBKC's Article 4 guidance names exactly that register of change: boundary walls, roof coverings, front doors and windows are the examples it gives of the small outside alterations a conservation-area control can catch. And if the building happens to be listed, which is common here, then the inside is controlled too, and the strip-out itself becomes the regulated act. So the first drawing on a Chelsea refurbishment is not a layout. It is a schedule of what the works touch, tested against what the address is actually subject to.
The second surprise is how many people have to agree. A Chelsea refurbishment package can be read by RBKC's planners, by a conservation officer, by an estate reviewer where estate control such as the Cadogan Estate applies, by the freeholder, by a managing agent, by building control, by the consultants and by the contractor. None of them is asking the same question. The planners ask whether a change harms the character of a designated area or a listed building. A freeholder asks whether the lease permits the alteration at all. A managing agent asks what happens to the common parts, the risers and the neighbours for the duration of a long and noisy build. Building control asks whether the finished house is safe. Sent one undifferentiated bundle, each of them answers a question you did not ask and none of them answers the one you did. We map the routes at the outset and build a separate, properly evidenced pack for each, because that is the difference between consents that run in parallel and consents that run one after another.
Tenure decides which of those routes you are actually on, and it is settled before anything else. A freehold house is the simplest case: the council, building control and your neighbours. A leasehold flat is a different project wearing the same name. Permitted development does not apply to flats and maisonettes, so nothing is ever automatically allowed — but a wholly internal refurbishment may need no planning consent at all and still be stopped dead by a lease. Leases commonly govern structural alteration, the position of wet areas, floor construction and finishes, and any interference with shared services, and the freeholder's Licence to Alter is the consent that resolves them. In an estate-managed building there is a further reviewer above that, asking its own questions on its own timetable. We read the lease and the title before the design, because a beautiful scheme you are not contractually permitted to build is not a scheme.
Then the building has to be opened up honestly. The most dangerous document on a refurbishment is a fixed price agreed against an unopened house. Behind the plaster of a period property there may be earlier alterations nobody recorded, wiring of several vintages, drainage of unknown condition, timber that has been quietly working for decades, and a structure that previous owners have cut into more than once. We survey properly first — measured, opened up where we responsibly can, with services traced and drainage tested — and we build the scope, the programme and the contingency around what is found rather than around what is hoped. In a listed building this sequence is not merely prudent, it is the law: the consent has to be in place before the fabric is disturbed, and the record of what existed has to be made while it still exists. Discovering a protected staircase after it has gone into a skip is the worst outcome available on a Chelsea job.
With the building open, the services strategy is the decision that quietly determines everything else. A whole-house refurbishment is the one chance in a generation to route the electrics, heating, hot water, ventilation and drainage properly, and in a period building those routes are hard-won: chases into historic fabric may be restricted or forbidden, floor zones are shallow, and there is rarely a vertical shaft where a modern designer would put one. So the riser positions, the service voids, the plant location and the future maintenance access have to be resolved on drawings before first fix, not negotiated by an electrician with a chisel. In a flat, those routes are not even yours — they run into shared risers and stacks that belong to the freeholder, and a services shutdown affecting the block is something the managing agent will want notice of and evidence for. We coordinate the services with the structure and the protected fabric as a single exercise, because in a tight period building they all want the same few hundred millimetres.
Finally, a Chelsea refurbishment is a logistics project with a house attached. The job is long, loud and dusty, it sits between neighbours who are close and rightly sensitive, and the streets here can be narrow and difficult to work from. Access, parking, deliveries, protection of common parts, working hours, dust control, services shutdowns and neighbour management should all be settled and written into the tender information before a contractor is asked to price, because a builder invited to invent those answers after signing will either load the risk into the figure or argue about it for the duration. The same list often reappears as a condition of a freeholder's consent, so the work is done once and used twice. We survey the property, confirm the consents that genuinely apply, prepare the planning and listed building applications where they are needed, build the Licence to Alter or estate pack separately, and then produce the building regulations and tender drawings the contractor prices. We are candid about the risks, and we do not promise approval.