Active03402613Private limited companySidcup

IMPERIAL DUCTWORK SERVICES LIMITED

Significant control: Imperial Ductwork Sevices Holdings Limited (75–100%), Anthony O'Connell (50–75%)

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

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What does Imperial Ductwork Services Limited sell?

Registered activity: Other specialised construction activities n.e.c. (SIC 43999). We’re building product and service lists for UK companies. Get this one when it’s ready.

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01

Summary

Generated from filed data · no estimates

IMPERIAL DUCTWORK SERVICES LIMITED is an active private limited company (company number 03402613) incorporated on 11 July 1997, registered in Sidcup. Its registered activity is other specialised construction activities n.e.c. (SIC 43999). Latest medium accounts cover the period ending 31 July 2025, showing net assets of £6.23m and cash of £4.50m, with 65 employees on average. Turnover was £50.40m and profit for the year £2.04m. Net assets rose 20% on the prior period (£5.19m).

Peer position · net assets

By net assets it sits in the top quarter of 4,726 comparable companies in Greater London (median £5,286, upper quartile £35k).

02

Ownership and control

2 active
  • Imperial Ductwork Sevices Holdings Limited
    corporate entity, England · since 11 July 2016
    • owns 75–100% of shares
  • Mr Anthony O'Connell
    Individual · since 18 June 2018
    • holds 50–75% of voting rights

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
11 July 199729 yrs ago
Next accounts due
30 April 2027in 184 days
Confirmation statement due
25 July 2027in 270 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 43999
Other specialised construction activities n.e.c.
Accounts type
Medium
Size band
MediumCompanies Act thresholds
05

Financials

3 periods on record · latest ending 31 July 2025
Net assets
£6.23m
+20%vs Jul 2024
Cash at bank
£4.50m
+149%vs Jul 2024
Turnover
£50.40m
+32%vs Jul 2024
Employees
65
No changevs Jul 2024
Net assets
£6.23m
Cash at bank
£4.50m
Turnover
£50.40m
Profit for the year
£2.04m
Average employees
65
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 July 2025£6.23m£4.50m£19.54m£17.94m£50.40m£2.04m65
31 July 2024£5.19m£1.81m£12.84m£9.58m£38.21m£931k65
31 July 2023———————
Current ratio1.34Current assets ÷ creditors within one year
Net margin4.1%Profit for the year ÷ turnover
Cash per employee£69kCash ÷ average employees

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.

06

Filing and accounts signals

Facts from the register · no rating
  • Net assets above zeroNet assets £6,228,180 at 31 July 2025
  • Net assets up 10% or more on the prior period+20.1% vs prior period
  • Cash at bank of £50,000 or moreCash £4,500,446
  • Three or more accounting periods on record3 periods on record
  • Incorporated five or more years agoIncorporated 11 July 1997

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

07

Timeline

Newest first
  1. Confirmation statement duein 270 days
  2. Next accounts duein 184 days
  3. Accounts period endNet assets £6.23m · medium accounts
  4. Accounts period endNet assets £5.19m · medium accounts
  5. Accounts period end
  6. Incorporated
08

Similar companies in Greater London

Same activity (other specialised construction activities n.e.c.), closest in incorporation date
09

Reminders for IMPERIAL DUCTWORK SERVICES LIMITED

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Source: Companies House register, snapshot 2026-08-31; accounts from the Companies House accounts data product. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown. Contact us about this company.