Full House Re-skim After Rewire and Full Strip-Back in Kensington and Chelsea

This project took place in a Victorian terraced house in the W8 postcode area of Kensington and Chelsea. Properties of this age — typically built between 1870 and 1910 — often feature solid brick walls with aged sand and cement render beneath layers of old paint and plaster. This house was undergoing a full renovation, with the entire ground floor stripped back to allow for a complete rewire, new plumbing runs, and replastering before the kitchen and living rooms could be brought back to a habitable standard ready for decoration.

Across both the main reception room and the rear kitchen area, walls had been partially or fully stripped back to bare brick during the rewire and plumbing works. Old plaster had been hacked off in large sections, revealing the original Victorian brickwork underneath. The ceiling in the front room showed extensive patchy areas where sections had been cut away by electricians to run new cables, leaving uneven and porous surfaces throughout. Chase lines from new electrical conduit and copper pipework were visible running vertically and horizontally across multiple wall faces. The rear kitchen walls had been stripped entirely to brick, with bonding render beginning to break down in some areas, and the boiler flue and new copper pipework had been surface-mounted, requiring careful plastering around the services.

The scope of work covered the full re-skim of multiple ground-floor rooms in this Victorian terrace following a complete rewire and plumbing renovation. In the front reception room, the ceiling required patching across multiple cut areas created by electricians chasing new cables, followed by a full skim coat across the entire ceiling plane to achieve a consistent surface. Walls in this room had been partially stripped and needed bonding coat applied to the bare brick sections before skimming could begin. Chased electrical channels throughout the walls were filled with bonding plaster and left to dry fully before any skim coat was applied over the top. In the rear room — identified as the kitchen space — walls had been stripped completely back to the original Victorian brickwork on two full elevations. Exposed brick required a scratch coat of bonding plaster to build up the surface level before the finish skim could be applied. The ceiling in this room also had multiple cut-outs left by the electrician for downlighter positions, consumer unit access, and cable runs, all of which required patching back with plasterboard offcuts fixed into position before the ceiling could receive its skim coat. Surface-mounted copper pipework and new electrical conduit runs were plastered around neatly. Both rooms were protected with dust sheets and the floors were covered throughout the works.

Before any plaster was applied, the bare brick walls were brushed down to remove loose debris, dust, and crumbling mortar from the rewire and strip-out. PVA bonding agent was diluted at a ratio of approximately 1:4 and applied across all bare brick surfaces to stabilise the porous substrate and ensure the bonding coat would grip correctly. Chased channels from the new electrical conduit runs were filled with bonding plaster in stages, allowed to partially set, and then keyed before a second fill was applied flush to the wall face. Cut-out sections in the ceilings were patched using plasterboard pieces cut to size, fixed securely, and jointed with scrim tape before the skim was applied. All surfaces were checked for suction and re-PVA'd where necessary.

With preparation complete, the bonding coat was applied first to all bare brick elevations in the rear kitchen, built up in two passes to bring the surface level and true. The bonding was cross-hatched while still green to provide a mechanical key for the finish coat. In the front reception room, areas of partial strip-back on the walls received a bonding coat to match the level of the existing plaster before skimming could proceed across the whole wall face. Once the bonding coats had firmed up sufficiently across all surfaces, the finish skim coat was applied using British Gypsum Thistle Multi-Finish plaster. Each wall received a scratch coat laid on at approximately 3mm, trowelled out firmly, and then a second finishing coat applied over the top while the first was still at the correct green stage. The plasterer worked wall by wall, maintaining a wet edge throughout to avoid cold joins in the plaster surface. Ceilings were skimmed in the same two-coat process, with particular care taken around the patched cut-out areas to blend the new plaster level with the surrounding original ceiling. The finish coat was closed up using a clean, dampened trowel in long overlapping arcs to tighten the surface as the plaster approached its final set. All angles and reveals around door frames and window openings were finished using a small leaf trowel to produce clean, sharp arrises.

The primary challenge on this project was the sheer variety of substrates present across the same wall and ceiling surfaces. In the front room, the ceiling had both original Victorian plaster and freshly cut plasterboard patches side by side — two surfaces with completely different suction rates. Skimming across these without the plaster dragging or pulling at different rates required careful management of the PVA sealing and the timing of the skim coats. In the rear kitchen, walls stripped to bare Victorian brick presented a highly uneven and absorbent surface. The brickwork had varying mortar depths and irregular face levels, meaning the bonding coat needed to be built up in stages rather than applied in a single pass to avoid slumping.

To manage the mixed suction across the front room ceiling, patched plasterboard areas were sealed with a full-strength PVA coat the day before plastering, then given a further diluted PVA wash on the morning of the skim to bring the suction into balance with the surrounding original plaster. This equalised the pull across the ceiling and allowed the skim coat to be laid and closed uniformly. For the bare brick walls in the kitchen, the bonding coat was applied in two separate passes — the first to fill the deepest voids between brick courses, the second to level the surface once the initial coat had stiffened. Both passes were keyed before the next was applied. This staged approach produced a flat, stable substrate ready to receive the two-coat finish skim.

Once the plaster had dried fully — typically 3 to 5 days for walls of this depth — all surfaces presented a clean, flat, paint-ready finish. The patched ceiling areas in the front reception room were entirely undetectable, with the skim coat flowing continuously across the original plaster and new patches alike. The kitchen walls, previously stripped to rough Victorian brick, were transformed into smooth, level surfaces ready to accept kitchen units and tiling. All chased cable and pipe runs were completely buried under the skim coat, and the surface-mounted pipework was neatly plastered around. The client's decorator was able to commence work shortly after the plaster had cured, keeping the overall renovation programme on track.

The homeowner was able to hand the property over to their decorator within a week of plastering completing, keeping a tight renovation schedule on track. All rooms affected by the rewire — the front reception and the rear kitchen — were replastered to a consistent standard, allowing the kitchen fitters and decorators to work across both spaces simultaneously. The client noted that the plasterer worked cleanly, protected the floors throughout, and completed both rooms within the agreed three-day programme without overrunning into the following trade's schedule.

Replastering a Victorian property after a full rewire and strip-out is not a straightforward skim-over job. The combination of bare brick, original plaster, and fresh plasterboard patches within the same room means that bonding, suction control, and substrate preparation all have to be managed correctly — or the finish coat will crack, delaminate, or dry with an uneven sheen that becomes visible once painted. An experienced plasterer working in Kensington and Chelsea understands the specific demands of period brickwork and knows how to build up coats in stages rather than rushing a finish over an unstable substrate. Getting it right at this stage protects the entire decoration programme that follows.