House Extensions and Loft Conversions in Hillingdon
Suddeco designs, gets approval for and builds extensions, loft conversions and renovations across Hillingdon. Designed, approved and built by one team.
Side return · indicative renderWhat gets approved in Hillingdon
Real planning decisions near you, from council records.
We check Hillingdon decisions from your exact address
Public planning records vary by council: for Hillingdon we do not hold a district-level summary yet, so we run the check against your own address instead — it uses the same council records.
Planned around the house you have
Layouts shaped by the plot
Choose a layout that suits the plot, the structure and how you live.
Old and new join properly
Drainage, utilities and structural openings planned before they become snags.
Access kept in view
Residents, deliveries and trades all need a workable route through the site.
Start from a layout
What we build here
Nearby boroughs
What to know before building in Hillingdon
Metroland semis and detached houses around Ruislip and Ickenham, larger houses in Northwood, and Green Belt across much of the borough. Two-storey side and rear extensions, loft conversions and garage conversions.
Ruislip and Northwood have several conservation areas, and much of the borough is Green Belt. We check your exact address with Hillingdon Council records before we draw anything, and price the whole job — design, approvals and build — in one estimate.
Where we work in Hillingdon
Uxbridge, Ruislip, Hayes, Northwood, Ickenham and West Drayton.
Postcodes: UB3, UB4, UB7, UB8, UB10, HA4 and HA6
A construction company near you in Hillingdon
Looking for a construction company near you in Hillingdon? Suddeco designs, gets approval for and builds extensions, lofts, renovations and new builds in Hillingdon — building company, general contractor and design and build firm in one team.
Hillingdon FAQs
Are you a construction company near me in Hillingdon?
Yes. Suddeco works across Hillingdon and every other London borough. We survey the site, draw and approve the design, and build it with our own team. Call 020 3633 8086 or book a free survey.
What construction work do you do in Hillingdon?
Extensions, lofts, conversions, renovations and new builds in Hillingdon, with the drawings and approvals.
What should we send for a Hillingdon extension or loft?
Plans or photos, the property address, notes on access and anything awkward such as drainage or shared walls. Or start with just your address and we draw the existing house.
Is my street in a conservation area?
We check it when you enter your address, alongside permitted development and nearby decisions.
Do you build it yourselves?
Yes. Suddeco designs, handles planning and delivers the build with its own project management.