- Companies
- Installers
- Ashford
- C L O’Sullivan Construction Ltd
C L O’Sullivan Construction Ltd
- Company number
- 14633223
- Incorporated
- 1 Feb 20233 years trading
- Registered office
- Osborne House, Stanwell Road, Ashford, TW15 3QN
- Nature of business
- Other construction installation
C L O’Sullivan Construction Ltd is a 3-year-old private limited company registered in Ashford, company number 14633223, one of 81 installation companies (insulation, lifts, shutters and similar) in Ashford. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 C L O’Sullivan Construction LtdOr 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 up £4,092 on the year before, to £4,335.
- Current assets of £10K against £15K owed within a year: 0.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £4,335 | £8,421 | £10K | £15K | 1 |
| 29 Feb 2024 | £243 | £9,444 | £11K | £23K | 1 |
Where C L O’Sullivan Construction Ltd is registered
The registered office is in Ashford (TW15), in the Spelthorne local authority area, South East. Show TW15 3QN on a map.
Other trade companies in TW15
- TH1 (Billericay) LtdProperty developers
- PCN Construction LtdInstallers
- Ventra Building Solutions LtdBuilders
- Vertex Climate & Maintenance LtdSpecialist contractors
- Eins F Constructions LtdBuilders
- Rioautorepair LtdMechanics and garages
- Phelan Good Maintenance LtdSpecialist contractors
- I.K Aviation Services LtdMachinery repair and installation
Shared registered office
58 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if C L O’Sullivan Construction Ltd 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 14633223
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 February 2023 (3 years ago)
- Registered office
- Osborne House, Stanwell Road, Ashford, TW15 3QN
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 31 January 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Ashford
Other active installation companies (insulation, lifts, shutters and similar) registered in Ashford.
- Cherrys Carpentry Ltd2022
- Cladding Solutions South East Limited2021
- Complete Smart Home Solutions Ltd2020
- Conex Fire Protection Limited2024
- Contract Ventilation Services Ltd2001
- Creative Stone Services Limited2017
- Crmagency Ltd2023
- Danmark Building Services Limited1998
All installation companies (insulation, lifts, shutters and similar) in Ashford · All trades in Ashford · Installers across the UK
Frequently asked questions
When are C L O’Sullivan Construction Ltd's accounts due?
C L O’Sullivan Construction Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is C L O’Sullivan Construction Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is C L O’Sullivan Construction Ltd still trading?
C L O’Sullivan Construction Ltd 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 C L O’Sullivan Construction Ltd do?
C L O’Sullivan Construction Ltd is registered under Other construction installation (SIC 43290).
How old is C L O’Sullivan Construction Ltd?
C L O’Sullivan Construction Ltd was incorporated on 1 February 2023, 3 years ago.
What is the penalty if C L O’Sullivan Construction Ltd 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 C L O’Sullivan Construction Ltd 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.