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.
Barnet overview
Construction Company in Barnet
London's most populous borough, spanning Finchley to High Barnet, with a broad base of houses needing refurbishment and roofing. Barnet falls well within the North London ground Lian Construction covers on a regular basis. For multi-trade construction and building work in Barnet, that local knowledge means fewer surprises once work is on site and a team that already understands the borough's typical property stock.
Barnet is London's most populous borough, and its housing reflects that scale and variety rather than any single building type. Across the stretch from Finchley up to High Barnet you'll find inter-war semi-detached and detached houses in large numbers, typical of the suburban expansion that filled much of outer London through the 1920s and 1930s, alongside pockets of Victorian and Edwardian terraces closer to the more established parts of Finchley. Further out towards High Barnet, plots tend to be larger and houses more often detached, with some post-war infill sitting alongside older stock. This mix means roofs, brickwork, windows and rear additions of quite different ages and construction methods, from solid Victorian slate roofs to 1930s tiled roofs now well past their original lifespan. For a homeowner, this generally means refurbishment needs vary house to house rather than following one pattern, and it's worth having any work assessed against the age and construction of the specific property rather than assuming a borough-wide standard.
With Barnet being London's most populous borough, the sheer number of houses needing refurbishment and roofing work is larger than in most other areas, and that demand is spread fairly evenly across a broad base of properties rather than concentrated in one type of job. For homeowners this generally means there's no shortage of work available for contractors, which in turn means the borough tends to have a wide range of tradespeople and firms competing for jobs, from smaller local operators to larger contractors. That can make it harder for a homeowner to judge quality and reliability from price alone, since a big pool of competitors doesn't automatically mean a big pool of consistently good ones. Roofing in particular tends to be steady, ongoing demand given the age spread of housing stock across Finchley through to High Barnet, rather than a one-off surge tied to a single development. Landlords with older properties in the borough should expect refurbishment and roofing needs to come up regularly simply because of stock age, and it's generally sensible to budget for this as routine maintenance rather than treating each job as unexpected.
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 Barnet and the wider North London area
Signs to look for
Do you need construction company in Barnet?
A rental property needs refurbishing between tenancies and the work spans several trades: repairs, plastering, tiling, roofing and decorating, all within a tight turnaround.
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.
How the work is handled in Barnet
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 Barnet
How quickly can Lian start multi-trade construction and building work in Barnet?
Barnet is part of our regular North 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 Barnet?
Yes. Barnet falls within the area Lian Construction serves across Greater London.
Do you work across all of Barnet, or just certain areas like Finchley or High Barnet?
We cover the borough generally, from Finchley through to High Barnet and the areas in between. Given how large and spread out Barnet is, it's worth telling us roughly whereabouts you are when you get in touch, as it can affect scheduling and how quickly we can get someone out to look at the job.
What type of construction work do you handle?
We handle refurbishment, property repairs, roof work, tiling, plasterboard repair and general building projects for residential and commercial clients.
Do you cover the whole of London, or just certain areas?
The whole of London. Lian Construction works across all 32 boroughs plus the City of London.
Do I need to manage separate trades myself, or do you coordinate everything?
We coordinate the trades ourselves as one accountable contractor, sequencing repairs, roofing, plasterboard, tiling and decorating so you have a single point of contact rather than managing subcontractors individually.
Talk to Lian Construction about Barnet
Send the site address in Barnet, photos if available, and the construction company work you need. We can review the scope and arrange the next step.