# Pricing — Lian Construction

> London construction, refurbishment and roofing contractor covering all 32 boroughs, with a base in Kingston upon Thames. All figures below are general London market guidance published across our cost guides, not fixed quotes — actual pricing depends on a site survey. Last updated: November 2026.

## How to get an exact price

Send the property address, photos if available, and a short description of the work via https://lianconstruction.co.uk/contact or quotes@lianconstruction.co.uk. We survey the property, then provide a clear written scope and price before any work starts. No online instant-quote tool exists — pricing always follows a survey.

## Property Refurbishment

Source: https://lianconstruction.co.uk/blog/house-refurbishment-cost-london-2026

- Light refresh (decoration, flooring, minor repairs): £800–£1,200/sqm
- Mid-range refurbishment (new kitchen, bathroom, rewire, replaster): £1,200–£1,800/sqm
- Premium refurbishment (structural work, full M&E, high-spec finish): £2,000–£2,800+/sqm

## Flat Renovation

Source: https://lianconstruction.co.uk/blog/flat-renovation-cost-london-2026

- One-bedroom flat, mid-range full renovation: ~£55,000
- Two-bedroom flat, mid-range full renovation: ~£85,000
- Premium renovation, prime central London spec: £2,500–£3,500/sqm
- Light refresh (any size): £800–£1,200/sqm

## Roof Replacement

Source: https://lianconstruction.co.uk/blog/roof-replacement-cost-london-2026

- Pitched roof, concrete tile: £120–£220/sqm
- Pitched roof, clay tile: £150–£260/sqm
- Pitched roof, natural slate: £180–£320/sqm
- Flat roof, felt (built-up): £70–£100/sqm
- Flat roof, EPDM rubber membrane: £80–£120/sqm
- Flat roof, GRP fibreglass: £90–£130/sqm
- Typical semi-detached re-roof, concrete tile (45–60 sqm): £5,400–£13,200

## Flat Roof Membrane Comparison

Source: https://lianconstruction.co.uk/blog/tpo-epdm-grp-flat-roof-comparison-london

- Felt (torch-on / self-adhesive): £40–£70/sqm
- EPDM (rubber): £60–£90/sqm
- GRP (fibreglass): £70–£100/sqm
- TPO (thermoplastic polyolefin): £70–£110/sqm

## Ceiling Water Damage Repair

Source: https://lianconstruction.co.uk/blog/ceiling-water-damage-repair-cost-london

- Minor stain, no board replacement (clean, seal, redecorate): £150–£350
- Moderate section repair (cut out, patch, skim, redecorate): £400–£900
- Full ceiling replacement (larger area or lath-and-plaster original): £900–£1,800
- Full ceiling with cornice or coving reinstatement (period property): £1,500–£2,500

## Plasterboard Repair

Source: https://lianconstruction.co.uk/blog/plasterboard-repair-cost-london

- Small hole patch (under 0.3 sqm): £120–£220
- Medium repair (0.3–2 sqm wall or ceiling section): £220–£450
- Full room reinstatement (whole wall or ceiling): £450–£900
- Leak-damaged board replacement (moisture-resistant board): £350–£900
- Partition wall section repair: £300–£700

## Chimney Breast Removal

Source: https://lianconstruction.co.uk/blog/chimney-breast-removal-cost-london

- Single-storey chimney breast removal (one floor): £1,500–£5,000
- Full-stack removal (ground floor to loft, multiple floors): £3,000–£7,000+

## Artex Removal

Source: https://lianconstruction.co.uk/blog/artex-removal-cost-london

- Artex skim-over (plaster skim coat applied over tested-safe artex): £8–£15/sqm
- Typical ceiling (~20 sqm), skim-over: ~£2,000

## Knock-Through & Steel Beam (RSJ)

Source: https://lianconstruction.co.uk/blog/knock-through-steel-beam-cost-london

- Simple opening (non-structural, stud/partition wall): £800–£2,000
- Structural knock-through with steel beam (RSJ): £1,800–£4,500+

## Damp Proofing

Source: https://lianconstruction.co.uk/blog/damp-proofing-cost-london

- Damp survey (diagnosis before any treatment): £200–£500
- Chemical damp-proof course injection + replastering (typical affected wall): ~£3,250

## HMO Fire Doors

Source: https://lianconstruction.co.uk/blog/hmo-fire-door-requirements-london

- FD30 internal door, standard opening, supplied and fitted: £450–£700
- FD30s door with cold smoke seal and vision panel: £550–£850
- FD60 door, heavier core, additional hinges: £650–£1,000
- Non-standard or out-of-square Victorian opening, bespoke doorset and frame adjustment: £750–£1,200
- Communal entrance doorset with closer, ironmongery and signage: £600–£950
- Fire door survey across an HMO, 5-8 doors, photographic report: £200–£400

## Interlinked Smoke & CO Alarms

Source: https://lianconstruction.co.uk/blog/interlinked-smoke-alarm-regulations-london

- Mains-wired interlinked system, single flat or house, 3-4 alarms: £450–£750
- Mains-wired interlinked system, HMO, 6-7 alarms across storeys: £900–£1,500
- RF (wireless) interlinked system, comparable HMO coverage: £700–£1,200
- Additional carbon monoxide alarm, per unit: £60–£100
- Consumer unit upgrade for dedicated alarm circuit, where needed: £250–£450
- Alarm interlink test and certification visit: £100–£180

## HMO Emergency Lighting

Source: https://lianconstruction.co.uk/blog/hmo-emergency-lighting-requirements-london

- Single non-maintained bulkhead luminaire, supplied and fitted: £90–£150
- Illuminated exit sign fitting: £110–£180
- Typical HMO stairwell and corridor scheme, 4-6 fittings, installed and certificated: £600–£1,100
- Larger three-storey HMO scheme, 7-10 fittings across escape route: £1,000–£1,700
- Annual 3-hour discharge test and function certification visit: £120–£220

## Bathroom Renovation

Source: https://lianconstruction.co.uk/blog/bathroom-renovation-cost-london

- Budget refresh, small ensuite (2–3 sqm): £3,500–£6,000
- Budget refresh, full family bathroom (5–8 sqm): £6,000–£9,000
- Mid-range full refit, small ensuite: £6,000–£9,500
- Mid-range full refit, full family bathroom: £9,000–£15,000
- Premium wetroom/ensuite, small room: £9,000–£14,000
- Premium wetroom conversion, full bathroom: £16,000–£28,000+

## Rendering & Facade Repair

Source: https://lianconstruction.co.uk/blog/rendering-facade-repair-cost-london

- Crack or patch repair (localised area): £250–£600
- Full re-render, single-storey extension elevation: £2,500–£4,500
- Full re-render, 3-storey terrace front elevation: £5,500–£8,500+
- Sand and cement render (supply and apply): £45–£65/sqm
- K Rend / silicone render (supply and apply): £55–£85/sqm
- Monocouche render (supply and apply): £50–£75/sqm
- Lime render (solid-wall specification): £75–£110/sqm

## Brickwork & Repointing

Source: https://lianconstruction.co.uk/blog/brickwork-repointing-cost-london

- Repointing, cement mortar (per sqm): £45–£70/sqm
- Repointing, lime mortar (per sqm): £65–£95/sqm
- Individual brick replacement and matching (per brick): £25–£45/brick
- Chimney stack repointing and flaunching (whole stack): £900–£1,800
- Soft-wash brick cleaning (per sqm): £15–£30/sqm
- Full elevation repointing, 3-storey terrace incl. scaffold: £3,500–£8,000

## Kitchen Renovation

Source: https://lianconstruction.co.uk/blog/kitchen-renovation-cost-london

- Budget flat-pack refit, small galley kitchen: £6,000–£10,000
- Budget flat-pack refit, larger open-plan kitchen-diner: £10,000–£16,000
- Mid-range refit, small galley kitchen: £12,000–£18,000
- Mid-range refit, larger open-plan kitchen-diner: £18,000–£28,000
- Premium bespoke refit, small galley kitchen: £20,000–£30,000
- Premium bespoke refit, larger open-plan kitchen-diner: £30,000–£50,000+

## Loft Conversion

Source: https://lianconstruction.co.uk/blog/loft-conversion-cost-london

- Rooflight/Velux conversion: £28,000–£45,000
- Dormer conversion (single rear dormer): £45,000–£65,000
- Hip-to-gable conversion: £50,000–£70,000
- Hip-to-gable combined with rear dormer: £60,000–£85,000
- Mansard conversion: £70,000–£95,000+

## EPC / Energy Efficiency Fabric Works

Source: https://lianconstruction.co.uk/blog/epc-rating-improvement-cost-london

- Loft insulation top-up to current recommended depth: £350–£650
- External wall insulation (EWI), including render finish: £100–£160/sqm
- Internal wall insulation (IWI): £65–£110/sqm
- Draught-proofing (windows, doors, floor and skirting gaps): £300–£900
- Secondary glazing (per window): £350–£750

Lian carries out the building fabric works above. Heat pump installation, MCS certification and formal retrofit assessments (PAS 2035) are separate specialisms carried out by other qualified installers/assessors, not Lian.

## Tiling

Source: https://lianconstruction.co.uk/blog/tiling-cost-london

- Kitchen splashback: £300–£600
- Standard bathroom retile: £1,800–£3,500
- Full retile with levelling, re-boarding and tanking: £3,500–£6,000+
- Ceramic/porcelain tiles (supply and fit): £40–£75/sqm
- Large-format or natural stone tiles (supply and fit): £70–£120/sqm
- Kitchen or hallway floor tiling: £700–£1,900
- Wetroom tanking add-on: £600–£1,200

## Roof Insulation

Source: https://lianconstruction.co.uk/blog/roof-insulation-cost-london

- Mineral wool loft top-up: £12–£20/sqm
- Blown fibre loft insulation: £16–£26/sqm
- Loft clearance before insulating: £150–£350
- Typical 3-bed loft top-up: £500–£950
- Rafter/room-in-roof insulation: £45–£75/sqm
- Flat roof PIR insulation upgrade: £25–£45/sqm
- Full warm-deck flat roof renewal with insulation: £1,700–£3,900

## Construction Company Day Rates & Project Bands

Source: https://lianconstruction.co.uk/blog/construction-company-cost-london

- Labourer: £120–£180/day
- Skilled trade: £220–£320/day
- Callout: £150–£450
- Single room project: £2,500–£6,500
- Small multi-trade project: £12,000–£35,000
- Medium project (house refurbishment): £800–£1,800/sqm
- Large project: £2,000–£2,800+/sqm
- Rental property turnaround: £4,000–£12,000

## Painting & Decorating

Source: https://lianconstruction.co.uk/blog/painting-decorating-cost-london

- Bedroom repaint: £350–£700
- Living room or kitchen repaint: £600–£1,200
- Hallway/stairs repaint: £500–£1,100
- Full house repaint: £2,500–£6,000
- Full flat repaint: £1,600–£3,800
- Plaster repair before decorating: £300–£800
- Exterior painting: £1,200–£3,500
- Woodwork strip and repaint: £600–£1,800
- Wallpaper (per room): £350–£650
- Wallpaper feature wall: £150–£320

## Partition Walls

Source: https://lianconstruction.co.uk/blog/partition-walls-cost-london

- Timber stud partition: £180–£280/linear metre (~£1,200–£1,800 for a typical 3.5–4m wall)
- Doorway addition to a partition: £250–£450
- Metal stud partition: £220–£340/linear metre
- Acoustic/soundproofing upgrade: £280–£420/linear metre
- HMO fire-rated partition: £320–£480/linear metre
- Glazed partition: £450–£750/linear metre

## Fire Safety Compliance

Source: https://lianconstruction.co.uk/blog/fire-safety-compliance-cost-london

- FD30 fire door, supplied and fitted: £450–£700
- FD30s fire door with cold smoke seal: £550–£850
- Bespoke doorset (non-standard opening): £750–£1,200
- Communal entrance doorset: £600–£950
- Mains-wired interlinked alarms, single house: £450–£750
- Mains-wired interlinked alarms, HMO: £900–£1,500
- Emergency lighting, single fitting scheme: £600–£1,100
- Emergency lighting, larger HMO scheme: £1,000–£1,700
- Small fire risk assessment action list: £2,000–£5,000
- Full communal fire safety upgrade: £10,000–£25,000+

## HMO Compliance

Source: https://lianconstruction.co.uk/blog/hmo-compliance-cost-london

- Partition wall for room reconfiguration: £180–£280/linear metre
- Fire-rated partition: £320–£480/linear metre
- Doorway addition: £250–£450
- Additional shower room: £6,000–£9,500
- Basic kitchenette installation: £4,000–£8,000
- Full HMO conversion: £20,000+

Licence application fees are set and collected by the local council, not Lian, and vary by borough — check with your council for the current fee.

## Heritage Slate Roofing

Source: https://lianconstruction.co.uk/blog/heritage-slate-roof-cost-london

- Heritage/natural slate (Welsh, Spanish): £220–£380/sqm
- Standard slate: £180–£320/sqm
- Reclaimed slate uplift: £30–£60/sqm
- Leadwork: £120–£220/m
- Chimney stack repointing: £900–£1,800
- Typical terrace re-roof: £10,000–£26,600
- Localised repair: £600–£2,200

## Solar-Ready Roofing

Source: https://lianconstruction.co.uk/blog/solar-ready-roofing-cost-london

- Pitched roof solar-ready uplift: £8–£18/sqm (~£450–£1,050 for a typical semi)
- Flat roof solar-ready uplift: £10–£20/sqm
- Standalone cable conduit provision: £150–£350

Lian prepares and covers the roof structure only. Solar panel supply and installation is carried out by a separate MCS-certified installer, not Lian.

## Full cost guide index

https://lianconstruction.co.uk/blog
