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Construction · Eastleigh
Construction companies in Eastleigh
There are 915 construction companies registered in Eastleigh, spread across 3 postcode areas. Here is what they do, where they cluster, and how to get the full list.
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What they do — by trade
The trade mix across Eastleigh's 915 registered construction companies, by primary SIC activity:
Where they cluster — by postcode area
Registered offices by outcode — the densest is SO50 with 527 firms:
When they were founded
Company formations in the sector, by year (full calendar years):
A sample of the companies
A handful of the active construction companies registered across Eastleigh's postcodes:
| Company | Area |
|---|---|
| Rcl Properties Ltd | SO53 |
| Lewis Electrical Southern Limited | SO50 |
| Alliance Roofing Group Limited | SO50 |
| Kdy Constructions Ltd | SO50 |
| Dentec Electrical Limited | SO53 |
| Cdm (Southern) Electrical Ltd | SO53 |
| Tima'S Properties Ltd | SO53 |
| Alaya Renovations Ltd | SO53 |
| Electrical Leadership Services Limited | SO50 |
| Kmw Plumbing Heating And Renewables Limited | SO50 |
| N.C. Roofing And Building (Southern) Ltd | SO53 |
| Ecoflame Gas And Heating Ltd | SO50 |
Export all 915 construction companies in Eastleigh.
Each row includes the company name, number, status, incorporation date, full registered
address, postcode, SIC codes and a direct link to its Companies House record.
Quick answers
There are 915 construction companies with a registered office in Eastleigh on the Companies House register, of which 763 (83%) are currently active.
The SO50 postcode area has the highest concentration, with 527 of Eastleigh's construction companies registered there.
74 new construction companies were incorporated in Eastleigh during 2025, the most recent complete year on the register.