Richmond upon Thames · TW1 · TW2 · TW9 · TW10
Builders in Richmond upon Thames, TW1, TW2 and TW9
Rear extensions, side returns and loft conversions across Twickenham, St Margarets, Teddington, Richmond and Kew — the borough where the planning position decides the project more often than the house does.
What we built in TW2
A straight rear extension on a family home in Twickenham, out into the garden. The living room was extended and the kitchen and dining area merged into a single room overlooking the garden. Bi-fold doors and rooflights carry daylight to the back of the plan, which is what lets the depth work rather than simply pushing the darkness further into the house.
The part that changed daily life was the ground floor bathroom. Extensions are sold on open plan living, and open plan living is what gets photographed — but on a family house a second bathroom downstairs removes a queue that forms every morning. It is the least photogenic thing in the project and the first thing the household would miss.
Richmond is not a borough to assume permitted development
Richmond upon Thames has an unusually high number of conservation areas by London standards, along with a large stock of listed and locally listed buildings. Permitted development rights that would apply without argument in a neighbouring borough are restricted across much of this one, and in places removed altogether by an Article 4 direction.
The practical consequence is timing. If your address needs a full planning application where a house two boroughs east would not, that is weeks added before anyone can start, plus the drawings and supporting documents an application requires. It is not a reason to abandon a project. It is a reason to establish the position at survey stage rather than discovering it after you have paid for drawings that assume otherwise.
It also changes what the drawings have to say. In a conservation area the council is assessing the effect on the character of the area, not only the size of what you are adding, so materials, window proportions, roof form and what is visible from the street become part of the case rather than details to settle later. Schemes designed for that succeed. Schemes drawn as though the constraint does not exist come back with a refusal and a delay attached to it.
The river changes the ground
Parts of the borough close to the Thames — the Twickenham riverside, parts of St Margarets, Ham, Teddington and Kew — carry flood risk designations. That has practical consequences for a build rather than theoretical ones.
Flood risk affects the finished floor level the council and building control will accept. It affects whether a basement or lower ground floor scheme is viable at all. It can require a flood risk assessment as part of the application. And it affects the detail of construction below ground: how the slab is built, how services enter the building and what is acceptable at the lowest level.
Ground conditions vary across the borough as well, and on a river terrace the foundation depth that worked on your neighbour's house is not automatically the depth that will work on yours. All of this is answerable early. None of it is answerable cheaply once the ground is open and a team is standing in it.
The housing stock
Twickenham, St Margarets and Teddington run heavily to Victorian and Edwardian terraces with rear outriggers and side alleys, which makes them good side return and L-shaped dormer territory — with the caveat that what is achievable is set by the planning position as much as by the roof. A dormer that would be permitted development elsewhere may need an application here, and a front-facing rooflight almost certainly will.
Richmond itself and Kew hold a good deal of older and more sensitive stock: Georgian and early Victorian houses, many of them listed, where the right project is often restoration and reordering rather than extension, and where anything structural needs listed building consent alongside planning. Whitton, Hampton and the outer edges shift towards interwar semis on wider plots, which behave far more like the houses we work on in Hillingdon: deeper gardens, better side access, more scope for a straightforward rear extension.
There are mansion blocks and converted flats throughout the borough too. Flats have no permitted development rights for extensions, and their leases almost always require the freeholder's consent, which runs as a separate process on its own timetable.
Depth is a decision, not a maximum
The most common question we are asked here is how far out we can go, and it is the wrong question. Depth on a rear extension is governed by what is permitted at your address, by how much garden you are willing to lose, and by the daylight consequences for the rooms behind it. Beyond a certain point you are trading a bright garden-facing room for a dark middle of the house, and the right depth is the one that stops before that happens.
On the Twickenham house the depth works because the light was designed alongside it: glazing across the rear, and rooflights over the part of the plan no wall could reach. Ask any builder what happens to your existing rear rooms once the extension is on. A good answer describes the daylight, the sightlines and how you move through the space. A bad answer talks only about the new room.
Common questions about building work in Richmond upon Thames
Do you work across Richmond upon Thames?
Yes. Home Constructive builds throughout Richmond upon Thames, including Richmond, Twickenham, Teddington, Kew, Whitton and Hampton. Most of our work in the borough sits in TW1, TW2 and TW9. If your address is just outside, ring us anyway and we will tell you plainly whether it is a job we should take.
What sort of houses do you work on in Richmond upon Thames?
Victorian and Edwardian terraces close to the river and the stations, with interwar semi-detached houses further out towards Whitton and Hampton. Ground floor extensions and loft conversions are the common work; the constraint is more often the conservation area than the house.
Do I need planning permission for an extension in Richmond upon Thames?
Less often than elsewhere, and that is worth knowing before you plan. Richmond has wide conservation area coverage and a number of Article 4 directions, and either can remove permitted development rights that a house would otherwise have. Some houses here still hold them in full. We check your address with the council first, because assuming either way wastes money.
How do I get a price for work in Richmond upon Thames?
It starts with a free site survey at the house. We look at the structure, the drainage and the services, tell you what the house will and will not allow, and price the work we have actually seen. Ring 07891 981021, Monday to Saturday, or send the address and what you are thinking of doing and we will arrange a time.
Book a free site survey in Richmond
We will measure the house and be straight about what the conservation position — and the flood position, where it applies — mean for what you are hoping to do.
If the honest answer is that your address needs a full application, you will hear it at the survey rather than months later. The survey is free and carries no obligation.
From the portfolio
Richmond, TW2 · Rear extensionGround floor rear extension