Refurbishment, repair, roofing, tiling, plasterboard and general building work all sit under one roof at Lian Construction, a London construction company serving homes, landlords and commercial clients in every borough.
Westminster overview
Construction Company in Westminster
Central London borough with strict listed-building and conservation area rules shaping most refurbishment and repair projects. Westminster falls well within the Central London ground Lian Construction covers on a regular basis. For multi-trade construction and building work in Westminster, that local knowledge means fewer surprises once work is on site and a team that already understands the borough's typical property stock.
Westminster's housing stock is dominated by Georgian and Victorian terraces, stucco-fronted townhouses, mansion blocks and mews properties, much of it now sitting within conservation areas or under listed status. Many homes were built or extended over the 18th and 19th centuries, later divided into flats during the 20th century, so period features such as sash windows, cornicing and original brickwork are common even in converted properties. This mix means refurbishment work often has to reconcile old building fabric, solid walls, timber floors, ageing roofs, with modern expectations around insulation, plumbing and electrics. Basement conversions and rear extensions are frequent projects given the value of extra space in a dense, built-up borough, though these tend to involve more structural and party wall considerations than similar work elsewhere. Roofing on older properties often means working with slate, lead flashing or valley gutters rather than modern tiled systems. Because so much of the borough falls under conservation or listed status, as the local context makes clear, homeowners and landlords here are more likely than most to need contractors comfortable working within heritage constraints rather than a standard new-build specification.
Demand for refurbishment and repair work in Westminster is shaped heavily by the borough's conservation area and listed-building rules. Most projects, whether a full renovation, a roof repair or a smaller internal alteration, need to be planned around what planning and heritage consent will actually allow, which narrows the pool of contractors able to take work on with confidence. Homeowners and landlords often find that getting quotes takes longer here than in other boroughs, because a proper job needs someone who understands listed building consent, conservation area restrictions and the materials a planning officer is likely to accept, not just someone who can do the building work itself. For landlords managing period conversions, this adds a layer of process on top of the usual repair and maintenance cycle. Central London's density also means projects are frequently constrained by access, parking restrictions and proximity to neighbouring properties, all of which affect how work gets scheduled and priced. Given the strict framework the borough operates under, it generally pays to bring a contractor into the conversation early, before drawings are finalised, so that any planning or heritage issues are flagged before money is spent on a design that will not get approved.
Large parts of Westminster sit within conservation areas, and a significant number of individual buildings are listed, which means many refurbishment and repair projects need planning permission, listed building consent, or both, even for work that would be permitted development elsewhere. Typical triggers include changes to windows and doors, roofing materials, external render or brickwork, and any rear or basement extension. Westminster City Council, as the local planning authority, generally expects like-for-like materials and detailing on listed or conservation area properties, so contractors need to be familiar with what tends to get approved rather than assuming a standard specification will pass. Timescales for consent can run longer than a straightforward planning application, and unauthorised work on a listed building can carry serious consequences. It is worth checking a property's listed status and conservation area boundary early, and discussing likely material and design constraints with a contractor before committing to a scope of work.
Typical construction company day rates and project bands
Item
Typical range
Labourer
£120–£180/day
Skilled trade
£220–£320/day
Small multi-trade project
£12,000–£35,000
General London market guidance, not a fixed quote — actual pricing depends on a site survey. Full breakdown: cost guide.
What affects the cost of construction work in London
Pricing on any building project comes down to a handful of practical factors, and London adds its own layer on top of the basics. Access is usually the biggest one: a mid-terrace Victorian house with no side return means materials go in through the front door and waste comes out the same way, which slows everything down compared with a detached property with driveway access. Scaffolding and skip permits add cost on narrow residential streets, where a council permit is often needed just to stand a skip or a scaffold tower on the public highway, and resident parking restrictions can limit when deliveries and skip swaps happen. The condition of what's already there matters too: solid brick walls with old lime plaster often need more preparation and different materials than a stud wall in a 1990s build, and a roof that's had years of patch repairs can hide problems, rotten battens, perished felt, corroded flashings, that only show once the tiles come off. Party wall matters, listed building or conservation area status, and whether services need upgrading, old rewireable fuse boards, lead water pipes, insufficient loft insulation, all feed into the final figure. Material choice affects cost as much as labour: matching reclaimed London stock brick, sourcing a specific clay tile profile, or specifying a breathable lime render instead of standard cement render all carry different price points, and none of that is visible from the street until a survey opens things up. Waste disposal is its own line item too, since a skip on a residential road is priced differently from a grab lorry on a site with vehicular access, and mixed construction waste containing plasterboard or asbestos-suspect material has to be segregated and disposed of through a licensed carrier rather than a standard skip. Structural work, like removing a chimney breast or forming an opening for a knock-through, adds engineering and steelwork costs on top of the building work itself, and needs a structural calculation before anyone touches a supporting wall, along with making good the ceiling and floor either side once the steel is in and padstones are built up. Basement and lower-ground floor rooms often carry an extra cost too, since a below-ground damp issue usually needs a different specification, a tanking system or a French drain, rather than a straightforward decorating fix. On listed buildings, sourcing matching materials, like a specific handmade brick, a natural slate to match the existing roof, or a traditional lime mortar mix, can itself take longer and add more to the final cost than the labour needed to install them once they arrive on site. We survey before we quote, and the written quote sets out labour, materials and any provisional sums for items we genuinely can't confirm until walls, floors or roofs are opened up.
Materials and methods suited to London's housing stock
London's building stock isn't uniform, and using the wrong method on the wrong wall causes more problems than it solves. On Victorian and Edwardian solid wall terraces, we generally avoid sealing walls with gypsum plaster or cement-based renders, since solid brick needs to let moisture move through it rather than trap it; lime-based plasters and breathable finishes are usually the better fix where damp or historic movement is involved, particularly on ground floor rooms without a damp proof course or where a previous owner has already made things worse with a sealed modern render. On later stud partitions and ex-council concrete-frame flats, plasterboard on dot-and-dab adhesive or fixed to timber battens is standard, along with skim coats or taped-and-jointed finishes depending on what's being covered and whether the wall needs to stay accessible for services or sound insulation between flats, which matters more in a converted terrace or purpose-built block with shared floors and party floors between different owners. Where an existing lath and plaster ceiling is sound, we'll often repair and skim it rather than strip it out unnecessarily, since removing a good ceiling to replace it with plasterboard adds cost and mess without improving anything. For roofing, we work with concrete and clay tiles, natural slate on older or heritage properties, and felt, GRP or single-ply membranes on flat roofs and extensions, along with breather membranes and treated battens under the tile line to manage ventilation and prevent trapped moisture in the roof void, which is a common cause of premature timber decay in older lofts that were never designed with modern insulation levels in mind. Matching materials to what's already on the building is usually more sensible than a full replacement where a like-for-like repair will do the job and keep the roofline consistent with neighbouring properties, particularly on a terrace where mismatched tiles are obvious from the street and can affect a future sale or a mortgage valuation. Tiling follows proper preparation: uneven or bouncy floors get boarded, levelled or screeded before tiles go down, tanking membrane or slurry is used in wet areas like shower enclosures and behind baths, and adhesive, grout and movement joints are chosen for the substrate and any underfloor heating rather than whatever happens to be cheapest on the day. None of this is exotic. It's standard trade practice, applied correctly, in the right order, on the right substrate, which is where most of the actual value in a job lies rather than in anything unusual or a particular brand name printed on the bag.
General building, refurbishment and repair servicesResidential, landlord and commercial projectsAll London coverage, borough to boroughRegular coverage of Westminster and the wider Central London area
Signs to look for
Do you need construction company in Westminster?
You're planning a loft conversion or rear extension and need repairs, roofing and finishing trades coordinated as one project rather than several separate contractors.
Musty smells, damp patches or flaking paint on solid brick walls suggest moisture is trapped behind an unsuitable modern cement-based finish applied years ago.
A commercial unit needs fitting out, repairing or bringing up to a lettable standard and you want one contractor managing the whole sequence from start to finish.
Cracks are opening up across plaster or brickwork, particularly around door and window openings on a solid wall Victorian or Edwardian property.
How the work is handled in Westminster
Step 1Discuss the project and constraints
Step 2Survey the site
Step 3Prepare a clear scope
Step 4Deliver the work with one point of contact
Questions
Construction Company questions in Westminster
How quickly can Lian start multi-trade construction and building work in Westminster?
Westminster is part of our regular Central 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.
Do you cover all of Westminster?
Yes. Westminster falls within the area Lian Construction serves across Greater London.
Can I replace my sash windows with double glazing in a conservation area?
Sometimes, though it is rarely a straightforward swap. Conservation area rules often require replacement windows to match the original in material, proportion and detailing, and standard double-glazed units do not always meet that. Slimline double glazing or secondary glazing is sometimes accepted as a compromise. It is worth getting planning advice specific to your property before ordering anything, since requirements can vary between conservation areas within the same borough.
Do you provide scaffolding, skips and site management, or do I need to organise that separately?
We arrange scaffolding, skip hire and any necessary highway or scaffold permits as part of the project rather than leaving you to organise them, and this is included in the written quote so there are no separate arrangements for you to chase up yourself. On residential streets where a skip permit or scaffold licence is needed from the local council, we handle that application and factor in the typical processing time when we build the programme, since these can take longer to come through than the work itself in some boroughs. If a project needs specific access equipment, such as a tower scaffold for a rear extension roof or longer-term hoarding for a larger refurbishment, we price that in upfront rather than treating it as a surprise extra once work has already started on site.
How do I know if my builder is overcharging me?
A few checks help here. Get more than one quote, but check each one is pricing the same scope in the same detail, since a lower headline figure sometimes just means a shorter list of what's included rather than a genuinely cheaper job. A quote that comes in 40 to 60% below everyone else is rarely a real saving, it's more often a way to win the job before the price creeps up through extras once you're committed. We provide a written quote that breaks labour, materials and provisional sums into separate lines, and agree any variations before they happen rather than adding them to the final invoice unannounced, so there's a clear paper trail to compare against.
What questions should I ask a builder before hiring them?
Worth asking: what deposit is required upfront, since reputable contractors typically ask for 10 to 25% with the rest staged against completed work, not half or more before a tool touches the property. Ask for a written quote rather than a verbal figure, and whether it breaks down labour, materials and provisional sums separately. Ask to see proof of public liability insurance and a verifiable business registration, since that's what tells you who's accountable if something goes wrong. Ask how they handle unexpected finds once walls or floors are opened up, and whether extra work is priced and agreed before it happens rather than appearing on the final invoice. And be cautious of a contractor who can start immediately with no other jobs on, since genuinely busy, well-regarded contractors are usually booked weeks or months ahead.
Talk to Lian Construction about Westminster
Send the site address in Westminster, photos if available, and the construction company work you need. We can review the scope and arrange the next step.