Compartmentation and fire-stopping
We reinstate compartment lines that have been broken by service penetrations, missing ceiling sections or altered layouts, using appropriate fire-stopping materials.
Fire safety compliance in Greenwich
Lian Construction carries out fire safety compliance works for London landlords, letting agents and block managers, turning fire risk assessment action plans into completed, documented works. Rather than leaving you to source separate contractors for fire doors, fire-stopping, emergency lighting and alarm work, we price the whole action plan as one job and deliver it as a coordinated programme. Each completed item is photographed against the corresponding entry in the assessment, giving you a clear record for the assessor, freeholder or fire authority.
Greenwich overview
A large stock of Victorian and Edwardian houses with essentially no dedicated roofing competitor coverage. Greenwich falls well within the South East London ground Lian Construction covers on a regular basis. For fire safety compliance work in Greenwich, that local knowledge means fewer surprises once work is on site and a team that already understands the borough's typical property stock.
Greenwich has a large stock of Victorian and Edwardian houses, much of it terraced or semi-detached, built in the decades either side of 1900 as London's suburbs expanded along the riverside and rail lines. As with similar housing across inner and near-inner London boroughs, roofs on these properties are typically slate or clay tile, often with parapet walls, valley gutters, and multiple original chimney stacks. Many houses will have had partial re-roofing, loft conversions, or rear extensions at some point over the past century, which means roof coverings and detailing are frequently mixed ages even on a single property. Bay windows with their own small roofs, and shared or party-wall guttering between terraced neighbours, are common features that need particular care during repair work. Given the age of this housing stock, issues such as slipped or missing tiles, ageing lead flashing around chimneys, and worn valley gutters are the kind of thing homeowners in Greenwich are likely to encounter periodically, rather than one-off problems. Property condition varies a good deal street by street depending on maintenance history, so what one house needs can differ significantly from its neighbour.
With a large stock of Victorian and Edwardian houses and essentially no dedicated roofing competitor coverage in the area, homeowners and landlords in Greenwich are often left choosing between general builders who treat roofing as a sideline, or firms based further afield who may not prioritise smaller local jobs. This gap tends to show up most clearly with urgent repairs, where a slipped tile or a leak after a storm needs someone who can attend quickly rather than fit the job in around larger contracts elsewhere. It also affects planning and quoting for larger work such as full re-roofs or chimney repairs, where a lack of specialist local knowledge can mean longer lead times or less accurate initial assessments. For landlords managing older rental stock, this matters because roof issues left unresolved tend to escalate into damp and interior damage, which is more disruptive and costly to fix than catching problems early. Homeowners undertaking wider refurbishment work, such as loft conversions or extensions, may also find it harder to coordinate roofing specifically as part of a bigger project if there isn't a contractor locally who covers that trade in depth. In practice, this means demand for reliable, responsive roofing and refurbishment work in Greenwich likely outstrips the readily available supply.
Given the concentration of Victorian and Edwardian houses in Greenwich, conservation area and, in some cases, listed building considerations are worth checking before starting roofing or exterior refurbishment work. As in many outer and inner London boroughs with older housing stock, parts of Greenwich may fall within conservation areas, where changes visible from the street, such as replacing roof coverings with a different material, altering rooflines, or adding roof windows to a front elevation, can require planning permission even where similar work elsewhere would be permitted development. Chimney stacks and original architectural detailing are often specifically protected in these areas. It's worth checking with the local planning department or a surveyor early on, since retrospective permission is harder to secure than getting it sorted before work starts. This doesn't apply to every property, and plenty of routine repairs and like-for-like replacements fall outside these controls, but it's a sensible thing to verify given the age of the housing stock.
| Item | Typical range |
|---|---|
| FD30 fire door, supplied and fitted | £450–£700 |
| Mains-wired interlinked alarms, HMO | £900–£1,500 |
| Full communal fire safety upgrade | £10,000–£25,000+ |
| Compartmentation & fire-stopping, per penetration | £45–£150 |
| Fire risk assessment remedial works | £3,500–£15,000+ |
General London market guidance, not a fixed quote — actual pricing depends on a site survey. Full breakdown: cost guide.
We reinstate compartment lines that have been broken by service penetrations, missing ceiling sections or altered layouts, using appropriate fire-stopping materials.
Fire doors are usually the biggest single item on an FRA action plan for converted flats and HMOs, and they are also the item most likely to fail a follow-up inspection if fitted badly. A fire door only performs to its rating as part of a complete door set: the leaf, frame, intumescent strips, cold smoke seals, hinges and self-closer all have to be matched and fitted correctly, with gaps around the frame kept to roughly 3mm at the head and sides and no more than 8-10mm under the door. On a lot of London conversions the original door leaf has been re-hung, planed down or fitted with a cheap closer at some point, so it looks like a fire door without performing as one. Where a door just needs new intumescent and smoke seals, a compliant closer or ironmongery, we repair rather than replace it, quicker and less disruptive to a tenant. Where the leaf itself isn't fire-rated or the frame has been altered, we fit a certificated FD30 or FD30s door set sized to the opening, with vision panels and signage where the assessment specifies them. We also check that final exit doors and escape routes stay clear and that self-closing devices on communal doors haven't been wedged open, which is a common finding in shared houses.
Signs to look for
Questions
Greenwich is part of our regular South East London coverage, so once we've surveyed the property we can usually confirm a start date quickly. Send the address and scope and we'll arrange the next step.
Yes. Greenwich falls within the area Lian Construction serves across Greater London.
It depends on the property and whether it sits in a conservation area, and on what you're changing. Straightforward like-for-like re-roofing is often permitted development, but altering the roofline, changing materials, or adding rooflights on a front-facing slope can require permission in conservation areas, which cover parts of Greenwich. We'd always recommend checking with the council or a surveyor before committing to work, since it's much easier to sort out beforehand than after the fact.
We coordinate electrical elements such as emergency lighting and fire alarm installation or repair through electricians working as part of the overall programme, so a block doesn't end up with separate contractors on separate visits for what is really one job. The electrical testing and certification is carried out and issued by a qualified electrician, and we make sure it's collected alongside the rest of the photographic and documentary evidence for the completed action plan.
It depends entirely on what's on the action plan. A handful of items in a converted terrace, a couple of fire doors and some fire-stopping, can usually be done in a few days on site. A full communal upgrade across a block, with multiple door sets, compartmentation to risers and emergency lighting throughout, is typically programmed over several weeks, partly because of the volume of work and partly because access to each flat has to be arranged individually. Scaffold licences or parking suspensions, where needed, can add lead time before work even starts.
It depends on what's on the action plan. Compartmentation and fire-stopping to risers, communal fire doors and stairwell emergency lighting are usually all in communal areas, so individual flats aren't affected. Where a flat entrance door needs upgrading, or a service penetration runs from inside a flat into a shared void, we do need access to that specific flat, arranged with proper notice through the landlord or agent. We flag exactly which items need in-flat access at survey stage so it can be planned rather than discovered on the day.
Send the site address in Greenwich, photos if available, and the fire safety compliance work you need. We can review the scope and arrange the next step.