Southeast London · SE10 · survey-led construction

House Extension Contractor Greenwich

Illustrative house extension construction visual for the Greenwich service guide

A practical construction route for Greenwich

North Star Building Solutions coordinates survey coordination, structural openings, foundations, drainage, envelope, services, interior fit-out and handover for residential clients in Greenwich.

Media transparency: the supporting visual explains the type of work. It is not represented as a project at a particular Greenwich address. The gallery below separately labels genuine North Star archive material.

Service

house extension

One coordinated construction scope.

Coverage

Greenwich

Southeast London service area.

Planning body

Royal Borough of Greenwich

Confirm the authority for the exact address.

Project start

Survey and brief

Design status, access and constraints first.

A Greenwich delivery brief, not a copied location page

Greenwich includes historic and modern homes where street context, levels and tight urban logistics can change the preferred construction method. For that reason, North Star’s local delivery brief gives particular attention to address-led planning review, measured thresholds, compact delivery plans and durable external details.

Residential construction is a chain of interfaces. Structure, envelope, services and interiors are coordinated as connected packages. The objective is to connect the new footprint to the existing home without losing control of structure, weathering or daily access. That approach keeps one trade from closing another trade’s problem into the building.

North Star does not claim that the photographs on this page were taken in Greenwich. They demonstrate relevant stages and finished workmanship from the company’s wider residential archive, alongside a clearly identified supporting visual. The actual property, appointed design, approvals and site evidence always control the work.

Six controls that shape this house extension

Existing house

Survey floor levels, wall construction, drainage routes and the intended opening before structural details and thresholds are fixed.

Ground and drainage

Coordinate trial information, foundation design, below-ground drainage and inspection points before the programme reaches concrete and oversite work.

Structural opening

Plan temporary support, bearings, steel delivery, lifting and fire protection around the engineer’s permanent design.

Envelope junctions

Join roof, walls, insulation, glazing, damp protection and external levels without leaving weak interfaces.

Services

Check electrical capacity, heating strategy, ventilation, water, waste and lighting before walls and ceilings close.

Fit-out

Sequence plastering, joinery, flooring, decoration and kitchen work around curing times and protected finished surfaces.

From survey information to a buildable programme

A pre-start review compares the architectural information, engineering, specification, planning position, Building Control route, selections and responsibility schedule. Conflicts are raised while drawings and orders can still be corrected. Assumptions that materially affect price or sequence are recorded rather than hidden in general wording.

For Greenwich, the working plan also addresses address-led planning review, measured thresholds, compact delivery plans and durable external details. Delivery sizes, internal protection, storage, temporary services, working hours and waste movements are then matched to the actual site. This is particularly important when the property remains occupied or when the route to the work passes through retained rooms.

The programme includes hold points for work that becomes concealed. Depending on scope, those checks may cover formation, drainage, reinforcement, structural bearings, connections, fire protection, insulation, airtightness, waterproofing and first-fix services. Photographs support the agreed record but do not replace professional inspection or testing.

Twelve address-led checks for Greenwich

The matrix below is generated from this page’s service, property context and local delivery priorities. It expands the issues that can materially affect a house extension without claiming that every Greenwich home has the same condition. The purpose is to show what North Star will verify, control and record for the real address.

Access and delivery in Greenwich

The Greenwich construction plan records this issue at property level rather than relying on a standard location-page statement. The construction team translates the real route for people, materials and waste into site steps and checks that those steps remain compatible with address-led planning review.

The selected method and its constraints are summarised in a measured logistics sketch for the people carrying out the work. Useful proof is likely to cover delivery sizes, storage zones and protected circulation, provided before dependent construction hides the result. The outcome is a more dependable handover record as well as a more orderly period on site.

Existing-building evidence in Greenwich

The Greenwich construction plan records this issue at property level rather than relying on a standard location-page statement. North Star asks which drawing controls the condition and construction of retained fabric, which person releases it and how the answer affects measured thresholds.

The decision is not treated as complete until a targeted opening-up schedule reflects the current approved position. Quality control focuses on verified dimensions, photographs and design queries, because these items allow the installed work to be checked objectively. The outcome is a more dependable handover record as well as a more orderly period on site.

Neighbour interfaces in Greenwich

This item is placed on the Greenwich coordination register because it can cross structure, services, finishes and site logistics. Before the package starts, shared walls, boundaries, noise and temporary disturbance is reviewed with the trades whose work could support or obstruct compact delivery plans and durable external details.

The practical record is an address-specific neighbour plan, with assumptions distinguished from verified conditions. Inspection preparation includes working limits, notices and condition evidence, ensuring that access and documentation are ready at the same time. The result is a Greenwich programme based on release conditions, not optimistic dates disconnected from information.

Structural release in Greenwich

North Star tests this element against the Greenwich site constraints before it is absorbed into trade pricing or programme dates. Drawings and site evidence are checked for the point when structural information is dependable enough to build, while the programme separately protects the local requirement for address-led planning review.

North Star turns the discussion into a coordinated structural release checklist so the next trade receives an instruction rather than an informal expectation. The site file uses fabrication dimensions, bearings and inspection points to show both the installed condition and the approval or test that followed. This makes the Greenwich scope easier to manage without pretending that every concealed condition is knowable on day one.

Water management in Greenwich

North Star checks this point early for Greenwich, when options remain available and dependent orders have not been fixed. A single delivery note brings together rainwater, drainage, ground moisture and temporary weathering, the relevant design reference and the local delivery point of measured thresholds.

The relevant dates and dependencies are placed in a joined-up water-management review before related orders are released. The completion trail is built from falls, outlets, protection and test requirements, not from photographs without context or responsibility. The process leaves a proportionate record without burdening a straightforward decision with unnecessary administration.

Building services in Greenwich

The postcode provides a service location, but only the Greenwich survey can establish the practical answer to this part of the brief. The programme links a decision on heating, power, lighting, ventilation, water and data routes to the point at which compact delivery plans and durable external details must be available, protected or inspected.

For this service, a room-by-room first-fix schedule provides the bridge between design intention and site delivery. The team agrees whether capacities, routes, access panels and commissioning duties are required, who produces them and where they will be stored. The approach supports a calm Greenwich delivery because each dependency is visible before the affected trade mobilises.

Fire and acoustic performance in Greenwich

North Star checks this point early for Greenwich, when options remain available and dependent orders have not been fixed. The appointed information is reviewed for compartment lines, escape provisions and sound-control junctions; any assumption affecting address-led planning review is then labelled and given a close-out action.

Responsibility is made visible in a life-safety and acoustic interface review, including who supplies information and who accepts the site result. Where the item is safety- or performance-critical, tested systems, penetrations and concealment evidence are reviewed before concealment and retained for close-out. This reduces avoidable rework while preserving the right to change the method when the surveyed building requires it.

Procurement timing in Greenwich

A clear answer here helps the Greenwich team distinguish a confirmed requirement from an assumption or provisional allowance. The practical sequence for the release dates for measured and long-lead components is written around real site dimensions and the Greenwich requirement for measured thresholds.

Responsibility is made visible in a package procurement tracker, including who supplies information and who accepts the site result. The Greenwich file is expected to contain approved samples, verified sizes and delivery responsibilities where those records are relevant to the contract. For North Star, the item is complete only when the site condition, design response and evidence tell the same story.

Occupation and protection in Greenwich

This subject receives an address-led review in Greenwich, particularly where retained rooms or neighbours remain close to the work. A short coordination workshop covers how retained rooms, possessions and safe routes are separated from work and the Greenwich emphasis on compact delivery plans and durable external details, with unresolved items returned to the right designer.

Any qualification is written into an occupation and protection plan rather than being left in meeting conversation. For client and professional review, the record may include temporary services, dust barriers and daily checks with clear descriptions of what was inspected. The homeowner can therefore see what has been decided, what remains open and what will be checked next.

Finish coordination in Greenwich

The postcode provides a service location, but only the Greenwich survey can establish the practical answer to this part of the brief. North Star uses the current design to plan the meeting points between plaster, joinery, floors, fittings and decoration, while site logistics are adjusted around address-led planning review.

A concise finish-interface schedule gives the client, designers and site team the same reference point. The record can combine samples, tolerances, protection and room sign-off, with each item dated and related to the drawing or inspection it supports. This makes the Greenwich scope easier to manage without pretending that every concealed condition is knowable on day one.

Inspection records in Greenwich

For Greenwich, the useful question is not whether this normally matters, but exactly how it affects the proposed scope and property. The team examines the work that will become inaccessible after the next operation and tests it against measured thresholds, rather than leaving the two issues in separate trade notes.

Changes are tracked through a photographic hold-point register, preserving the reason for the final site method. The site file uses named inspections, dates and supporting evidence to show both the installed condition and the approval or test that followed. The Greenwich build can then move at the speed supported by evidence, access and approved information.

Handover readiness in Greenwich

This item is placed on the Greenwich coordination register because it can cross structure, services, finishes and site logistics. The method connects testing, certificates, training, maintenance and final defects with compact delivery plans and durable external details, because either can alter protection, access, procurement or sequencing.

The working output is a live completion schedule, kept current as new information is confirmed. Evidence may include commissioning results, warranties and close-out ownership, chosen to suit the actual scope rather than assembled as a generic paperwork bundle. This is how a location brief becomes real project control instead of a page containing only area names.

Greenwich on the North Star London coverage map

Southeast London coverage

Greenwich · SE10

The map identifies the service location covered by this page. It does not mark a branch office, client home or completed-project address.

Royal Borough of Greenwich is the named local authority context for this guide; the exact property record must still be checked.

Explore nearby coverage for Blackheath and Beckenham.

Project evidence and clearly labelled supporting media

These five images form a different construction-reference set for the Greenwich page. Archive captions describe only what is visible and do not invent a local project history. The illustrative image is explicitly separated from genuine project photography. Client names and exact residential addresses remain private.

Approvals, property rights and technical compliance

Planning permission, permitted development and Building Regulations are separate questions. Ownership, lease terms, conservation status, previous development, restrictive conditions and the exact proposal can all change the route. Flats and maisonettes do not share every householder permitted-development right, and party-wall procedures are separate from planning approval.

Technical compliance may involve structure, fire safety, ventilation, energy performance, drainage, electrical work, sanitation, guarding and accessibility. The relevant details and inspection stages are agreed for the actual Greenwich project. North Star coordinates access to work within its construction scope and records the agreed evidence before finishes conceal it.

Official starting points: use the Planning Portal’s planning permission guidance, GOV.UK’s current Building Regulations Approved Documents and the government’s party-wall overview. Check the live property record and current guidance for the exact address before relying on general information.

A six-stage construction route for Greenwich

Measured survey and brief

The Greenwich scope, responsibilities and release information are checked before this stage begins.

Approvals and coordinated design

Site evidence and the appointed design are matched to the work completed at this house extension stage.

Protection and enabling works

North Star records the relevant quality checks before dependent work conceals the construction.

Foundations, drainage and shell

Access, protection and trade interfaces are reviewed against the live programme and property constraints.

Structural opening and envelope

Selections and verified dimensions are released in time for the following package without speculative ordering.

Services, finishes and handover

Outstanding tests, records and decisions are closed before the programme moves to completion.

Frequently asked questions

Who coordinates structural information?

The appointed structural engineer remains responsible for the engineering design. North Star coordinates surveys, opening-up, temporary support information, fabrication interfaces, installation and inspection evidence within the agreed construction scope.

How are neighbours and shared walls considered?

The design and legal teams confirm any party-wall or ownership requirements. North Star then plans access, temporary works, noise, vibration, deliveries and protection to suit the agreed awards, drawings and site rules.

Can North Star help before work starts?

Yes. North Star can review buildability, logistics, package interfaces, information gaps and likely inspection points. Formal architectural, engineering, planning, party-wall or Building Control advice still comes from the relevant appointed professional.

How is Building Control handled?

The appropriate Building Regulations route and inspection plan should be agreed for the house extension. North Star coordinates the construction evidence and access needed for the appointed Building Control body, but approval decisions remain with that body.

Can the property stay occupied?

Sometimes, although it depends on safe access, dust separation, temporary services, escape routes and the stage of the work. North Star reviews those constraints for the actual Greenwich property and identifies periods when occupation would be unsafe or impractical.

When can a reliable price be prepared?

Pricing becomes more dependable when measured information, structural design, key specifications, approvals, selections and access constraints are aligned. Unknowns should be identified as investigations or transparent allowances rather than hidden inside an apparently fixed figure.

Two relevant North Star project videos

This page uses a distinct pair from North Star’s own video channel. The footage demonstrates wider company workmanship and delivery experience; neither video is represented as a project at a Greenwich address.

Extension and loft-conversion project · North Star project channel.
Five-bedroom renovation and extensions · North Star project channel.

Discuss your Greenwich house extension

Send the postcode, intended work, drawings or surveys if available, approval status and preferred timing. North Star will explain the practical information needed for a dependable construction scope.

Request a consultationOffice: 020 3797 6399Mobile / WhatsApp: 07883 535012