RIGHT BUILD GROUP · HAMMERSMITH
Basement Conversion in Hammersmith
The home above and the work below need a practical boundary. Plan your Hammersmith basement with access, service continuity and the finished use considered together.
- Occupied-home needs discussed
- Work and finish boundaries defined
- Coordinated refurbishment trades

Plan how the household and the work will share the property.
A basement project can affect the home long before it provides extra living space. Materials travel through entrances, existing services may need attention and somebody must decide where removed items go. For a Hammersmith enquiry, describe the occupied house as carefully as the room you want to create.
Right Build undertakes basement refurbishment and remodelling, coordinating services, joinery, flooring and decoration within the agreed work. The survey should identify practical constraints and any specialist design required. Excavation or structural work must have defined assessment and responsibility rather than be presumed included in a general fit-out.
DEFINE THE PROJECT
Different starting points mean different disruption.
Establish whether the proposal improves an existing usable room or creates accommodation through more substantial construction.
Refurbish the established basement
A selective or full internal update may retain useful parts of the room. Identify what remains in service and which finishes change. Retention can shape the sequence, but should not be used to avoid investigating damp or unsound material.
Convert or enlarge the space
An unfinished cellar, new use or excavation proposal needs broader feasibility work. Structure, moisture protection, ventilation and safe access should be assessed before occupation is planned. The work route may differ substantially from a straightforward internal refresh.

SPACE, NOT JUST FLOOR AREA
Draw the construction route before the furniture layout.
Show how people, materials and removed components reach the basement. Include turns and landings, surfaces you want retained and doors needed by the household. A work area downstairs does not mean every upstairs corridor is automatically available for storage.
Identify services the occupied home depends on and discuss proposed alterations early. Explain working-from-home routines, important rooms and access arrangements. The appropriate sequence follows assessed work; it should not rely on a vague expectation that no service or room will ever be affected. Make a short list of the household’s essential access and service needs, with the person who can confirm each. A home-working routine, school departure and access for a delivery can coincide even when none seems difficult alone. Discuss those real situations rather than assume the work plan and the household plan are separate documents that will somehow fit together.
Decide where the finished scope meets the stairs and rooms above. Include necessary making good through the house refurbishment discussion rather than leaving the installation complete below while its access route remains outside everyone’s description of the finish.

Keep living arrangements separate from engineering decisions.
Record construction and service information already available, including earlier alterations. The room’s dimensions need review after proposed floor, wall and ceiling build-ups. Comfortable occupation of the home does not establish what structural changes are feasible beneath it.
If the scheme affects supports, floor levels or foundations, obtain the appropriate engineering assessment and designed construction approach. Underpinning may be relevant to some proposals but is not a generic part of every basement project.
Clarify investigation, temporary works and supervision responsibilities before structural construction is agreed. Household convenience must be considered in the plan without becoming a reason to improvise support or conceal an unresolved construction question.

Make preparation visible before the home is put back together.
Share moisture history, including marks in adjoining rooms and any previous attempts to repair them. Explain when the concern appears. A renewed lining or fresh paint should follow an assessment of cause rather than stand in for it.
The water-protection strategy may need specialist design for the actual structure and use. Coordinate its details with drainage, service penetrations and insulation. Tanking is not a universal coat that makes every existing background suitable.
Where pumps or drainage components form part of the arrangement, understand access and maintenance before furniture is installed. Discuss water damage repair outside the basement where affected material extends beyond the fit-out boundary.

Separate temporary work conditions from the finished room.
Air in the completed accommodation
Assess ventilation for the intended use, with viable routes and discharge. The construction-access plan and the permanent ventilation arrangement are different decisions. Confirm services before ceilings and storage restrict access.
Light along routes and work areas
Review lighting at the stairs, entrances and occupied parts of the final room. New fixed furniture can change daylight distribution. If altered openings are proposed, include their design and approval questions before the plan depends on them.
A practical insulated build-up
Coordinate insulation with moisture protection, heating and services. Check finished dimensions and junctions rather than selecting materials separately. The planned construction should remain understandable for future maintenance and later work.
Safe access and escape
Review fire safety for the proposed accommodation and its connection to the house. Occupied-home routes and construction boundaries need careful coordination, while the permanent escape arrangement should be established through appropriate design before final layouts are fixed.
A BUILDABLE SEQUENCE
Use review points instead of assumptions about access.
The actual work and condition determine the sequence. Agree the household’s practical requirements early, then connect them to the proposed construction and fit-out.
| Project stage | What to resolve | Before moving on |
|---|---|---|
| Household and room brief | Review occupied areas, access routes, services and intended use. | Identify what must remain available and what needs separate planning. |
| Scope and readiness | Coordinate designs, relevant checks and delivery arrangements. | Confirm responsibilities before booking dependent work. |
| Opening and preparation | Remove agreed items and inspect exposed condition. | Review repairs and any change affecting the household. |
| Services and finishing | Complete specified preparation and coordinated fit-out. | Preserve access and finish the agreed work-route junctions. |
| Handover | Review the room, controls and relevant adjoining making good. | Keep care information and identify outstanding details. |
Match the checks to the proposed construction.
The Planning Portal basement guidance distinguishes an existing-space update from proposals involving new excavation, external alteration or a new unit. Describe the work accurately before asking what permissions apply.
Check relevant local requirements with the responsible authority where the scheme involves development or protected material. An installer agreeing the practical access does not settle planning or heritage questions. Establish the information needed before products or dates depend on an unconfirmed proposal.
Building regulations, ownership or lease requirements and party-wall procedures may be relevant separately. Identify the appropriate advice and responsible contacts for the actual works. Keep those requirements alongside the construction brief rather than treating them as a final administrative task.
Bring the Hammersmith home's daily use into the survey.
Mark the rooms used for work, sleeping and essential daily activities. Explain the route everyone normally takes through the entrance and stairs. This lets the discussion identify real conflicts rather than promise a generic occupied-home arrangement.
Choose one person who can confirm decisions about access, products and additional findings. If others own or manage relevant parts of the property, identify their role before the work relies on approval that nobody onsite can provide.
Discuss deliveries, storage and removal with the access available. Keep large-product specifications ready so handling can be considered. If household possessions need moving, agree the responsibility and timing rather than assuming the basement’s contents will disappear when work starts. Agree where removed items and packaging can wait before collection and which retained surfaces need protection on the route. Identify possessions that require moving before access is available, including who moves them and where they go. Those arrangements are practical parts of readiness, not details to discover when the first large item arrives.
WORKING TOGETHER
Keep the household informed through clear decisions.
Explain the home and priorities
Send photographs of the room and its approach. Describe retained areas, essential facilities and the intended use after the work.
Agree the assessed proposal
At the survey, review condition and practical routes. Clarify the scope, design input and supply responsibilities in writing.
Review findings and access changes
Discuss newly exposed repairs and any consequence for the sequence before covering work or changing arrangements.
Check the whole agreed boundary
Review the finished basement and specified making good along its route. Retain operation and care information.
Include the work around the room.
Access, handling, protection and removal can influence the proposal alongside the basement itself. Ask for responsibilities to be clear so a modest fit-out price is not compared with another scope containing different practical work.
Preparation, services, moisture protection and any structural changes need assessment before decorative choices are final. Where concealed condition changes the work, agree how the repair and its effect are explained. Keep optional enhancements separate from necessary construction.
The fit-out specification includes flooring, joinery, electrical equipment and decoration. Confirm products and availability before dates are settled. Discuss the household’s temporary arrangements openly rather than expecting the finished floor area to establish disruption or duration.
BEFORE YOU COMMIT
Questions about your basement.
Can we remain in the property during the work?
Discuss the assessed construction, access and services before making arrangements. Explain household needs early rather than assume occupation is always possible or impossible for every basement scope.
Will upstairs services remain unchanged?
Identify the actual services and proposed alterations at the survey. A basement location does not prove the work is isolated from equipment or routes serving the occupied home.
Who should confirm access decisions?
Agree a contact with authority to make the relevant decisions and identify others who control shared elements. Keep that route clear when additional findings need review.
Should stair finishes be included?
Record the retained surfaces and any specified making good along the work route. The finish boundary should be explicit rather than inferred from which floor the main room occupies.
Can deliveries be planned after installation starts?
Review large products and handling routes earlier. Storage and material movement may compete with household access, so the sequence needs actual dimensions and responsibilities.
What if unexpected damage affects the plan?
Discuss the condition, cause and proposed response before work conceals it. Review the effect on scope and practical arrangements rather than absorb it into an undefined finishing task.
Should the basement be cleared before the survey?
Provide useful access and photographs without removing finishes simply to enquire. Explain stored items and what can be moved so the assessment and later clearance plan are realistic.
Can fixed storage ease the occupied-home arrangement?
Plan its purpose and openings with the services. Joinery and boxing should improve the completed room while preserving maintenance routes, not merely move temporary clutter into permanent inaccessible cupboards.
Another home needs another access plan.
Use the main basement service for the refurbishment scope, then discuss the other property’s construction, services and household arrangements on their own merits.
START WITH THE PROPERTY
Show us how the home needs to keep working.
Arrange a Hammersmith survey and no-obligation quotation. Bring the room photographs, work route and household priorities for Right Build to assess.
