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How Much Does Timber Floor Sand and Restore Cost in London?

Sand and restore of solid timber floors in London costs £25–£55/m² for board sanding and finishing only, £55–£120/m² with damaged board replacement, and £85–£180/m² with structural sub-floor repair (joist replacement, fire-stopping, gap-filling). Typical 30m² Victorian reception: £750–£1,650 for basic sand and finish; £1,650–£3,600 with board replacement; £2,550–£5,400 with structural repair. Pitch pine and oak floors most common in London; lime, beech, and walnut occasionally.

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Common London timber floor types and locations

Original solid timber floors are the most common floor surface in London Victorian, Edwardian, and pre-WW2 houses. Types and characteristics. (1) Pitch pine (most common Victorian London) — golden honey colour; characteristic resinous grain; 100–150mm wide boards × 22mm thick. Wears well; develops characterful patina. (2) Yellow pine / deal — paler colour; less resinous; cheaper Victorian alternative; 100–150mm × 22mm. Less durable than pitch pine. (3) Oak (Edwardian and Arts and Crafts era) — pale honey to mid-brown; stronger grain than pine; 75–150mm × 22mm; more expensive than pine. (4) Reclaimed parquet over original boards (mid-late Victorian central London) — see [[parquet-floor-restoration-cost-london]]. (5) Engineered timber (post-1960s only) — multi-ply construction with hardwood top layer. London floor locations: hallway (typically pitch pine, wider boards), reception rooms (typically pitch pine), bedrooms (often yellow pine or deal), kitchens (often pine but historically covered with linoleum or tile). Surveyed condition typical of unrestored London floors: layers of stain, paint, varnish, linoleum or carpet adhesive; gaps between boards from shrinkage over century-plus; localised damage from rising damp, woodworm, structural movement.

02

Sand and restore process and London cost

London 2026 process and pricing. Process. (1) Site preparation — furniture removal; protect doorways with sheeting; remove skirting boards if very poor condition (£12–£28 per linear m install if replaced) or protect in situ; lift floor coverings (carpet, linoleum, vinyl). (2) Board assessment — identify damaged boards for replacement; check for woodworm (Anobium punctatum exit holes); identify structural issues (sagging, bouncy floors, joist damage). (3) Primary sand — Bona Belt or Lägler Hummel drum sander with 24/40-grit paper; aggressive removal of existing finish and surface damage. (4) Edge sand — Bona Edge or Lägler Flip Trio sanded along edges and into corners. (5) Secondary sand — 60-grit paper; smoother base for finish. (6) Tertiary sand — 100/120-grit paper; final preparation for finish. (7) Fill gaps — gap filler (mixed timber dust + resin filler, or proprietary timber-coloured gap filler — Bona Mix and Fill, Junckers Pre-Filler) applied to all gaps and nail holes. (8) Vacuum — dust extraction during and after sanding. (9) Apply finish — oil, hardwax oil, or lacquer. Cost. Sand and finish only (sound floor): £25–£55/m². Sand + damaged board replacement: £55–£120/m² depending on board replacement quantity (typical 10–25% of boards). Sand + structural sub-floor repair (joist replacement, fire-stopping, draught proofing): £85–£180/m². Gap filling: included in standard sand and finish for typical Victorian floor.

03

Damaged board replacement and reclaimed timber sourcing

Localised damage (5–25% of boards) is common in London period floors. Sources of damaged boards. (1) Rising damp — damp from substrate or external wall has rotted boards; localised around external wall and bay window. (2) Past kitchen/bathroom water damage — old leak has rotted boards in localised areas. (3) Joist damage / sagging — joists have settled or rotted, deforming boards above. (4) Past services routing — boards lifted historically for plumbing/electrical and never properly reinstated. (5) Pest damage — woodworm (Anobium punctatum) most common London pest; check for round 1.5mm exit holes; treat with permethrin or boron treatment before sand-back. Replacement board sourcing. (a) Reclaimed period boards — matching Victorian pine or oak from architectural salvage suppliers: Lassco, Reclaimed Floors Co, Hicks Joinery; £45–£120/m² supply only. (b) Modern matching boards — modern pine or oak machined to match period width and thickness; £35–£85/m² supply. (c) Recycled boards from another floor in the same house — economical and authentic; no cost beyond labour to remove and re-cut. Builderr's typical approach: prioritise reclaimed period boards for visible areas (reception rooms, hallways); modern matching boards for less visible areas (bedrooms, behind furniture). Cost premium for reclaimed: £20–£40/m² over modern matching.

04

Finishes, gap filling and acoustic considerations

Finish options as for parquet (see [[parquet-floor-restoration-cost-london]]). Specific considerations for London period timber floors. (1) Oil finish (Osmo Polyx-Oil, Bona Craft Oil): preferred for period authenticity; warm appearance enhances pine and oak grain; easily refreshed every 2–4 years. £15–£28/m². (2) Hardwax oil: durability and aesthetic compromise; £18–£32/m². (3) Lacquer: maximum durability for high-traffic family homes; less period-authentic appearance; £20–£35/m². Gap filling — major consideration in London period floors. Typical Victorian London board has 2–8mm gaps between boards from a century of shrinkage. Filling options. (a) Timber dust + resin filler (Bona Mix and Fill, Junckers Pre-Filler): standard sand-and-restore approach; gaps filled with mixture of sanding dust and proprietary resin; £included in standard sand and finish; works well for gaps <5mm. (b) Pine slips or oak slips (inserted into wider gaps): bespoke joinery work; £8–£18 per linear m of gap; for gaps 5–12mm. (c) Acrylic flexible filler (DraughtEx, Junckers Strip Filler): flexible filler that allows for seasonal board movement; £5–£12 per linear m of gap. Acoustic considerations: solid timber floors in London period flats are a major source of impact noise transmission to flat below. Mitigation (during sand-and-restore): impact-absorbing underlay if boards are lifted for substrate work; not typically possible with sand-only restoration. See [[acoustic-soundproofing-cost-london-flat]] for full acoustic upgrade.

More questions

Related questions answered.

Can I sand my floors myself to save money?

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Possible for confident DIY enthusiasts but significant risks and limited cost saving. Equipment hire: £180–£350 for 3 days (drum sander + edge sander + dust extractor); abrasive paper £50–£120 for typical 30m² room; finish materials £150–£350. DIY total: £400–£800 for 30m² room (vs £750–£1,650 specialist). Saving: £350–£900 against specialist quote. Risks for DIY. (1) Drum sander damage — pausing the sander in one spot creates a deep dish in the board; visible and difficult to correct. (2) Uneven finish — multiple grit passes are required in correct sequence; missing a grit (e.g. jumping from 40 to 100) leaves visible scratch marks. (3) Dust contamination — without specialist extraction, dust spreads through the house and settles on freshly applied finish (visible 'dust nibs' in cured finish). (4) Re-sanding cost if DIY fails — £25–£55/m² for specialist to correct = £750–£1,650; total cost £1,150–£2,450 (DIY cost + specialist correction). Builderr's recommendation: specialist for any visible reception room or hallway; DIY only acceptable for hidden areas (loft, under-stairs storage). Net saving is rarely worth the risk.

How long do sanded timber floors last before needing re-sanding?

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Depends on finish, use intensity, and maintenance. (1) Oil finish, high-traffic (family hallway, kitchen, reception with children/pets): 4–6 years between major refresh (full re-oil with light buff). Light buff annually. (2) Oil finish, moderate use: 6–10 years. (3) Hardwax oil, high-traffic: 5–8 years. (4) Hardwax oil, moderate use: 8–12 years. (5) Lacquer, high-traffic: 8–15 years (full sand-back required when lacquer fails). (6) Lacquer, moderate use: 15–25 years. Light maintenance (between major refresh): oil floors — annual buff with maintenance oil; lacquer floors — daily soft brush, monthly Bona Cleaner. Major refresh (oil floors): screen-and-recoat (light abrasion + new oil coat); £18–£32/m². Full sand and re-finish (lacquer floors when worn through): full process as new; £25–£55/m². Practical reality: most London oil-finished floors are 'refreshed' (light oil application) every 2–4 years and 'sanded' (full restoration) every 12–25 years — comparable lifecycle to a quality replacement floor at a fraction of the cost.

Should I sand my floors before or after other renovation works?

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After all other works wherever possible — sanding should be the final phase of a renovation. Reasoning: (1) Other trades (decorators, joiners, electricians) damage freshly sanded floors via tool drops, paint spills, dust ingress. (2) Furniture deliveries through hallways and reception rooms scuff floors. (3) Plaster and tile work creates dust that settles on cured finish. Optimal sequence. Week 1 (renovation start): floor protection (heavy duty cardboard + thin ply over original timber); all subsequent works performed over protected floors. Final week: floor protection removed; deep clean; sand and finish; specialist commissioning. Decoration: skirting and architrave painted before sanding (sand contractor masks them); final touch-up of paint after sand-back if any contact damage occurred. This sequence preserves the sanded floor finish at maximum quality from completion.

Are gaps between Victorian floorboards a problem or a feature?

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Both — depends on perspective and practical impact. Aesthetic perspective: gaps between century-old pine boards are a character feature in London Victorian properties; many restorers (and homeowners) prefer to retain visible gaps as evidence of the floor's age and authenticity. Practical perspective: gaps allow significant draught from sub-floor void (often 6–10°C colder than room temperature in winter); dust falls through gaps into sub-floor void; noise transmission through gaps to room below. Mitigation without full filling: DraughtEx flexible filler (£5–£12 per linear m of gap) reduces draught while allowing seasonal movement; sub-floor void insulation (sheep's wool, recycled glass mineral wool) installed from below if accessible. Full gap filling (timber slips or resin filler) eliminates the period character; not typically recommended unless gaps exceed 8mm or draught/dust problem is severe. Builderr's typical approach: assess gaps with client; preserve smaller gaps (<3mm) for character; fill larger gaps (>5mm) with sympathetic timber slips or resin filler; install DraughtEx where occupants are particularly sensitive to draught.

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