Define the apartment and its boundaries
Begin with the available lease plan and a measured survey. Identify the spaces belonging to the apartment and those that are shared, including entrances, risers and any route into roof or lower-ground spaces. Something reachable from inside the flat is not necessarily within the owner's authority to alter. Put uncertainties in writing and resolve them before they become construction instructions. Keep management requirements alongside the drawings they concern, so that an instruction for an earlier proposal is not mistaken for agreement to a revised one.
Islington describes residential uses beside workshops and other commercial activity in Clerkenwell. Establish the actual adjoining uses and building arrangement rather than inferring them from the facade.
Investigate the interfaces that matter. A wall, floor or riser may continue beyond the apartment even when the proposed finish stops at the room boundary. Establish what can be inspected and what needs further specialist assessment before designing work that conceals it.
Sources: Clerkenwell Green, Charterhouse Square and Hat and Feathers conservation design guidelines
Make circulation useful
Draw ordinary movements through the home: carrying shopping to the kitchen, reaching storage without moving furniture and entering a bedroom without conflicting door swings. Taking space from a corridor can help a room but remove a useful buffer between activities. Test furniture at realistic sizes and allow for chairs and cupboards to be used, not merely displayed on a plan. Control positions should follow these routes, allowing lighting to be operated where somebody actually enters or leaves a space.
Consider whether the project requires a complete rearrangement or more precise use of the existing rooms. A storage wall, a revised doorway or better lighting may address the main frustration. Before removing partitions, establish their construction and any concealed installations. Explain the intended benefit of each change in the brief so that later decisions can be judged against a purpose beyond creating a different-looking plan.
Coordinate decisions across rooms
Kitchen, bathroom, heating and electrical work can intersect in places that are easily missed when each room is designed separately. A new cabinet may require an isolation point; a bedroom alteration may affect a retained service route; a changed floor finish may alter thresholds elsewhere. Use coordinated drawings to show these interfaces and who checks them. Distinguish details that can be settled now from those dependent on opening up. Unknown conditions should remain visible in the project information until the relevant inspection has resolved them.
State which installations remain and how the appropriate specialists will assess their suitability for connection to the new work. Retention is a deliberate scope decision, not an omission. Identify concealed routes and equipment sufficiently to preserve future access. Removing an access panel from the drawing may make it look cleaner, but it does not remove the need to maintain the installation behind it.
Examine floors and ceilings as assemblies
A floor proposal includes its layers and its relationship to neighbouring rooms, not only the final timber, carpet or tile. Check the existing build-up and any building conditions affecting replacement finishes. If the proposal affects sound transmission or shared construction, obtain suitable technical advice before choosing the system. A product description for an underlay does not establish the performance of the whole floor. The assembly must also fit beneath doors and beside fixed furniture while allowing the intended thresholds.
New ceiling fittings, ducts and access panels compete for a limited space that may already contain retained equipment or structure. Mark usable zones and coordinate positions with decorative features that remain. A reflected ceiling plan can resolve conflicts before one trade installs something in the space another requires. Keep access panels operable after cabinets and furniture are fitted, including room to remove the component behind them.
Organise the route through common parts
Inspect the entrance, stairs, corridors and lift against the proposed deliveries. Agree protection of shared surfaces and how that protection will be fixed and removed. Establish who receives deliveries and what happens if something cannot immediately enter the apartment. Common circulation should not be assumed to provide storage. Check bulky furniture and rigid worktop pieces against turning spaces as well as clear opening widths, taking their packaging into account.
Communication should have a named channel and responsible person. Management and residents need relevant information about interruptions or access changes through the agreed arrangement. Identify who checks protection, cleans the route and coordinates delivery instructions. Written practical duties are more useful than a broad statement about consideration, because everybody involved can follow the same procedure. Revisit the arrangement if the scope or access route changes.
Connect finishes with handover information
A room schedule should describe floors, walls, cabinetry, lighting and retained details. Explain how a new floor reaches an existing threshold, how a cupboard stops below decorative plasterwork and where service panels are incorporated. Individual rooms can differ in appearance while their junctions follow a consistent logic. Approve material samples beside their neighbours and record substitutions that affect the installation. This creates a reliable reference for both fitting and completion review.
Check the apartment as a functioning home. Open doors and drawers, review controls with the installer and confirm access to equipment needing maintenance. Collect relevant installation and product records. Identify outstanding work by room and location, then check the agreed correction. Where a component remains from the previous installation, record that fact clearly so that future work begins with an accurate description of the refurbishment.
Before work begins
Flat refurbishment in Clerkenwell: questions
Can I apply house-extension guidance to a Clerkenwell flat?
Islington's application guidance treats flats and houses differently: adding an extension to a flat requires full planning permission. Establish the property type and proposed work before selecting an application route. For the refurbishment itself, also identify shared construction and ownership boundaries. A flat with its own entrance should not be treated as a house merely because access appears independent.
What should I establish in a Clerkenwell building with mixed occupation?
Clerkenwell's character assessment describes residential and commercial uses together. Identify the actual neighbours, common routes and shared installations in your building before arranging the work. That information helps define delivery arrangements and service investigations. It does not mean every apartment has the same restrictions; obtain the relevant instructions for this building and record who can answer questions about its shared parts.
Can one flooring finish run through every room?
The answer depends on floor construction, room use, thresholds and relevant building conditions. A continuous appearance may be achievable, but wet areas and service access need suitable details. Review the proposed assembly and its junctions with doors and cabinets. Appearance belongs in that decision alongside maintenance requirements and the technical advice needed for the particular building.
Can I remain in the flat while it is refurbished?
Assess whether essential facilities and safe access can stay available throughout the proposed work. Discuss service interruptions, dust separation, storage and working areas before deciding. Some combinations of alterations leave too little usable accommodation. The decision should follow a realistic plan for this flat rather than an assumption that every refurbishment can be arranged around normal occupation.
How do separate room designs stay coordinated?
Common schedules and drawings cover matters that cross boundaries, including floor levels, control positions and service routes. Each room can have its own finishes while using coherent details at the transitions. A changed decision is checked for its effect elsewhere. This avoids completing an attractive isolated detail that creates a practical obstruction in another part of the home.
Official sources
Clerkenwell Green, Charterhouse Square and Hat and Feathers conservation design guidelines · Islington types of planning applications
Checked 4 November 2026. Maps, list entries and directions must be checked for the individual property and proposed work.