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Bright Space Developments is a London-based construction and development company delivering high-specification residential and commercial projects across London and the Home Counties.

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Hayes · UB3 & UB4

Builders and developers in Hayes, UB3 & UB4

Bright Space Developments is a construction and development company working in Hayes, Hayes End, Yeading and across UB3 and UB4. We build rear and side extensions and loft conversions, refurbish and reconfigure houses, convert buildings where policy supports it and design the structural and drainage work each of those brings.

23+
years building across West London
120+
homes and units delivered
53+
projects completed and live
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Local knowledge

Working with Hayes's buildings

Hayes has an old core around St Mary's church and the green, but the bulk of UB3 and UB4 arrived with the factories. Large interwar estates were built for people working at the record works and the food factories, laid out in consistent runs with shared rear access and shared drainage. Around them sit Victorian terraces near the station, post-war housing towards Yeading, and the canal with its industrial land behind.

That stock is good material with a common set of problems. The houses take rear extensions and loft conversions easily, the plots are deep, and the construction is straightforward. What varies is what is buried in the garden, because estate layouts of this age routinely put a shared drain or a public sewer exactly where an extension wants to go.

Planning

Planning permission is not the only permission

Hayes comes under Hillingdon Council. Designation is limited across UB3 and UB4, so a rear extension or a loft conversion generally proceeds on a lawful development certificate rather than a full application, and the address is worth confirming rather than assuming.

The consent people forget is the water company's. Since private sewers transferred into public ownership in 2011, a great many drains running through back gardens are now public sewers, and building over one, or within three metres of it, requires a build-over or build-near agreement. That is a separate application to Thames Water with its own timetable, and it can require a CCTV survey, a diversion or a new inspection chamber. We establish where the drainage runs before the foundations are designed.

Hillingdon Council planning

On the ground

The drain nobody knew was public

Estate housing was drained efficiently, which means one run of pipe serving a whole row rather than a separate connection per house. For most of the last century those shared runs were private, and the householder dealt with them. In 2011 the great majority transferred to the water companies, and overnight a pipe crossing the back of several gardens in Hayes became a public sewer. Nothing changed above ground and nobody was told, which is why it still surprises people when an extension is designed straight over the top of one.

Building over a public sewer, or within three metres of it, needs a build-over or build-near agreement from the water company. That is its own application, on its own timetable, and it can call for a CCTV survey of the pipe, a redesigned foundation to bridge it, a new inspection chamber or in some cases a diversion. All of it is manageable when established at survey stage. Found when the trench is already open, it stops a site while everyone waits, and it is one of the commonest reasons an extension here runs late.

The drain nobody knew was public

How we work

One team, from first look to handover

01

Appraisal

We look at the building, the numbers and what the site can realistically take.

02

Design and CGI

A design-led scheme you can see before any work begins.

03

Planning

Consents, change of use and Lawful Development Certificates secured.

04

Build

Structure, services and fit-out delivered as principal contractor.

05

Handover

Finished to a high specification and handed over on programme.

Questions

Builders in Hayes: common questions

Do you work in Hayes and the UB3 and UB4 area?

Yes. Hayes sits between Southall and West Drayton on the corridor running back to Ealing and Acton, where we have completed projects. Extensions, loft conversions, refurbishment, conversions and structural work are all things we take on here.

What is a build-over agreement?

Permission from the water company to build over or close to a public sewer. It is separate from planning and from building control, it has its own application and timetable, and without it an extension crossing a public drain cannot lawfully proceed.

How do I know if there is a public sewer in my garden?

A drainage search will show the recorded ones, and lifting the manhole covers tells you the rest. Since 2011 many drains that used to be private became public, so a shared run serving several houses in a row is very likely to be one now, even though nothing about it changed on the ground.

Does a sewer stop me extending?

Rarely. It usually means an agreement, sometimes a survey of the pipe and occasionally a diversion or a new chamber. What it always means is time, so it belongs in the programme from the outset rather than arriving when the trench is open.

Do you build extensions and loft conversions in Hayes?

Yes, and the estate housing here suits them. Deep plots absorb a rear extension easily and these roofs convert well. With little conservation designation the certificate route is usually available, which we confirm for the address.

How do you price a project in Hayes?

From the survey, with the drainage position established first because it is the item most likely to move a figure on this stock. We act as principal contractor and every line is shown. Send us the address and we will find out what runs under the garden before quoting.

Which nearby areas do you also cover?

This whole western corridor. Southall and Northolt east, West Drayton and Uxbridge west, Hillingdon north, and back in through Hanwell and Ealing.

Planning a project in Hayes?

Tell us about the property and what you have in mind. We'll arrange an appraisal and get straight back to you.

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