Renovations · South & West London
House renovation in London: sometimes the answer is to take things out, not build things on
Our house renovation work across south and west London includes structural openings, chimney removals, rewiring, replumbing and replacement windows. A free site survey helps establish whether adapting the existing space will meet your needs.
Chimney breasts, structural openings, windows, wiring and plumbing. The work that makes a house bigger without touching the footprint.
The job nobody recommends, because it is the smaller invoice
Most people arrive at a builder's website looking for an extension. A good proportion of them would be better served by a renovation, and nobody tells them, because an extension is the larger invoice.
A renovation does two things an extension cannot. It reclaims space you already own and are already heating, and it replaces the infrastructure that determines whether the house is pleasant to live in — the wiring, the plumbing, the windows and the layout.
We have kept one such job in our portfolio on purpose. It is by some distance the smallest project there, it added no floor area at all, and what changed was the way the whole house worked: every internal chimney stack removed, the wall between the front and middle rooms taken out, all the windows replaced, and a full rewire and replumb throughout. Not every house needs building onto.
Chimney breasts are the most overlooked space in a terrace
A chimney breast takes a slice off a wall in every room it passes through, on every floor. On a terrace with more than one stack that is a substantial amount of usable wall — space you already own and are already paying to heat.
The critical part is what happens above. If a stack is removed on lower floors but retained higher up, whatever remains has to be properly supported, and gallows brackets are not universally accepted by building control. That question is settled by structural design and inspection, not by assumption.
It is also the single most common item to appear as a defect on a buyer's survey when a previous owner had it done cheaply. Removing chimney breasts is one of the most under-rated moves in a Victorian terrace, and it is worth doing to a standard that will survive the next sale.
Structural openings between reception rooms
Removing the wall between a front and middle reception is the most requested change we see on London terraces, and it transforms a pair of dark rooms into one that works.
It is a structural job, not a demolition job. The wall is usually carrying something, so it needs a beam sized by an engineer, proper bearing at each end, and building control sign-off.
What varies is how much of the wall you remove. A full opening reads as one room. A wide opening with returns keeps a suggestion of two, which can be worth having if you want a quieter end of the house. That is a decision worth making with the plaster still on, because it changes the structure and the beam, and reversing it afterwards means doing the whole job again.
Do the invisible work in the same programme
Rewiring and replumbing mean chasing walls and lifting floors. So does structural work. So does replacing windows. Doing them at the same time costs far less than doing them one at a time as money allows, because the disruptive part is shared and only made good once.
The most expensive way to renovate a house is one trade at a time, whenever there is money for the next stage. It feels cautious. It is the opposite: you pay for the making good, the access and the disruption over and over, and you live through it repeatedly.
Heating deserves the same thought. If floors are coming up anyway, it is the moment to decide about pipe runs, radiator positions and whether underfloor heating belongs anywhere in the plan — because once the floors are back down that conversation is closed.
Windows, and why batches are a false economy
Replacing every window in a property in one go gets you a consistent result and one scaffold. Doing them in batches gets you mismatched frames and repeated making good, at a higher total cost.
If the property sits in a conservation area, expect restrictions on what you are permitted to fit — materials, opening style and glazing bar detail can all be controlled. This is worth establishing before anyone orders anything, because window lead times are long and a rejected specification is an expensive delay.
What actually varies
Renovation quotations differ far more widely than extension quotations, because the scope is elastic in a way that a fixed footprint is not. The variables that genuinely move the work:
- How much structure is involved — chimney removals and wall openings need engineering, not just labour
- Whether services are being replaced or extended — a full rewire is a different job from adding sockets
- Whether the property is occupied — working around a household changes the sequencing and how the site is protected
- What is behind the plaster — on a Victorian house nobody knows until it is off, and an honest builder tells you that at the survey rather than afterwards
You get a fixed, itemised quotation once the scope is settled, so you can make informed choices about specification instead of being handed one number and asked to trust it. When something is found behind the plaster we tell you on the day, and before the work is done rather than after.
Common questions about house renovation in London
What counts as a house renovation?
Work on the house you already have rather than adding to it: rewiring, replumbing, heating, floors, plaster, joinery, windows, and often removing walls to change how the ground floor works. It is the least visible money you can spend on a house, and usually the money that matters most.
Should I renovate or extend?
Sometimes the answer is to take things out rather than build things on. A ground floor that feels small is frequently badly divided rather than genuinely short of space, and removing a wall costs less than adding a room. We will tell you which one your house has before you commit to the bigger job.
Can I live in the house during a renovation?
It depends how much of the house is in the works at once. Room by room is liveable. A full rewire and replumb is not, because the services are off and the floors are up across the whole house. We are straightforward at the survey about which one your job is.
Do I need permission to remove an internal wall?
Not planning permission, but you do need building control approval if the wall is structural, and a structural engineer’s calculation for the beam that replaces it. In a flat you may also need the freeholder’s consent. Removing a structural wall without that paperwork is a problem you inherit at sale.
See the work in real homes
Wall removal and refurbishmentView the project →
Full-width rear openingView the project →
We will tell you where the reclaimable space is
Book a free site survey. We will look at what the house already has, show you where the space you are not using has gone, and be straight about whether you need a renovation, an extension, or both.
“Communication is second to none, always providing proactive and transparent updates.”Dylan Titherley · Read the Google reviews
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