- Companies
- Civil engineering
- Greenford
- J.J.Coughlan Limited
J.J.Coughlan Limited
- Company number
- 00979517
- Incorporated
- 13 May 197056 years trading
- Registered office
- 12 Walmgate Road, Perivale, Greenford, Middlesex, UB6 7LH
- Nature of business
- Construction of other civil engineering projects n.e.c.; Other specialised construction activities n.e.c.
J.J.Coughlan Limited is a 56-year-old private limited company registered in Greenford, company number 00979517, one of 24 civil engineering contractors in Greenford. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for J.J.Coughlan LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets unchanged on the year before, at £200.
- Net assets rose in 1 of 9 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £200 | £200 | 0 | ||
| 31 Aug 2024 | £200 | £200 | 2 | ||
| 31 Aug 2023 | £200 | £200 | 2 | ||
| 31 Aug 2022 | £200 | £200 | £200 | £0 | 23 |
| 31 Aug 2021 | £1.4M | £1.3M | £1.5M | £110K | 21 |
| 31 Aug 2020 | £2.5M | £2.8M | £3.1M | £577K | 25 |
| 31 Aug 2019 | £2.5M | £2.2M | £3.1M | £677K | |
| 31 Aug 2018 | £3.3M | £2.2M | £3.4M | £120K | 28 |
| 31 Aug 2017 | £3.4M | £2M | £3.5M | £110K | |
| 31 Aug 2016 | £3.5M | £2.3M | £3.7M | £182K |
Who runs and owns J.J.Coughlan Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| F*** D*** | Director | before Mar 1992 |
| J*** M*** | Director | before Mar 1992 |
| J*** M*** | Secretary | before Mar 1992 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| J*** C*** | Director | Dec 1993 |
Person with significant control
Charges (secured borrowing)
All 2 registered charges have been satisfied. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| A private lender, Praxis Pension Trustees Limited, A private lender | Satisfied Jun 2002 | Apr 1994 |
| Lloyds Bank PLC | Satisfied Mar 1992 | Apr 1982 |
Public contracts won
J.J.Coughlan Limited has one public sector contract award on record; the ones with their own published value total £172K (2019). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Quadrant Construction Services Limited | Thames Street | £172K | 15 May 2019 |
Where J.J.Coughlan Limited is registered
The registered office is in Greenford (UB6), in the Ealing local authority area, London. Show UB6 7LH on a map.
Other trade companies in UB6
- Motor Mec Centre LtdMechanics and garages
- Eminova Automotive Solutions LtdMotor traders
- CMP Waterproofing LtdSpecialist contractors
- I K Religa LtdProperty developers
- I O City Property Services LimitedBuilders
- Furtuna Fire LtdBuilders
- Dzony Spark LtdBuilders
- Naaz Services LimitedCleaning companies
Also registered at this address
2 other companies use the same registered office as J.J.Coughlan Limited.
- Dargold Properties LimitedProperty developers
- J J Coughlan (Holdings) LimitedCivil engineering
What happens if J.J.Coughlan Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 00979517
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 May 1970 (56 years ago)
- Registered office
- 12 Walmgate Road, Perivale, Greenford, Middlesex, UB6 7LH
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 29 March 2026
- Charges (mortgages)
- 0 outstanding of 2 registered
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Greenford
Other active civil engineering contractors registered in Greenford.
- JB Smart Services Ltd2026
- KS Building London Ltd2019
- Lisfannon Ltd2020
- Matlock Homes Limited1992
- Motana Limited2001
- Natty Gulf Limited2024
- R&F Construction Ltd2025
- Rafal Bespoke Renovations Ltd2026
All civil engineering contractors in Greenford · All trades in Greenford · Civil engineering across the UK
Frequently asked questions
When are J.J.Coughlan Limited's accounts due?
J.J.Coughlan Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is J.J.Coughlan Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is J.J.Coughlan Limited still trading?
J.J.Coughlan Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does J.J.Coughlan Limited do?
J.J.Coughlan Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other specialised construction activities n.e.c. (SIC 43999).
How old is J.J.Coughlan Limited?
J.J.Coughlan Limited was incorporated on 13 May 1970, 56 years ago.
Who runs J.J.Coughlan Limited?
J.J.Coughlan Limited has 2 active directors. Their names and service addresses are on the Companies House register.
Who owns J.J.Coughlan Limited?
One person or company has significant control of J.J.Coughlan Limited: J J Coughlan (Holdings) Limited (owns 75% or more of the shares).
Has J.J.Coughlan Limited won public sector contracts?
Yes. J.J.Coughlan Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £172K), most recently from QUADRANT CONSTRUCTION SERVICES LIMITED.
What is the penalty if J.J.Coughlan Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View J.J.Coughlan Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.