- Company number
- NI681380
- Incorporated
- 9 Aug 20215 years trading
- Registered office
- 18 Watsons Road, Newry, BT35 8PH
- Nature of business
- Construction of domestic buildings; Buying and selling of own real estate
Chlorine Developments Ltd is a 5-year-old private limited company registered in Newry, company number NI681380, one of 309 building contractors in Newry. 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 Chlorine Developments 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 £11K (+20.1%) on the year before, to £63K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £29K against £160K owed within a year: 0.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £63K | £29K | £160K | 0 | |
| 31 Aug 2024 | £53K | £159K | £279K | 0 | |
| 31 Aug 2023 | £31K | £8,842 | £98K | 0 | |
| 31 Aug 2022 | £15K | £1,119 | £27K | 0 |
Where Chlorine Developments Ltd is registered
The registered office is in Newry (BT35), in the Newry, Mourne and Down local authority area, Northern Ireland. Show BT35 8PH on a map.
Other trade companies in BT35
- Kilkenny Commercials LimitedMotor traders
- XR Electrical LtdElectricians
- Roseglen Consulting LtdElectricians
- Maglen Mechanical LtdPlumbers and heating engineers
- Toman Roofing LtdJoiners and carpenters
- CBD Brickworks LtdBuilders
- Evvr Homes LtdCleaning companies
- CM Performance Parts LtdMotor traders
Also registered at this address
1 other company uses the same registered office as Chlorine Developments Ltd.
- Phalcon LtdBuilders
What happens if Chlorine Developments 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 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
- NI681380
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 August 2021 (5 years ago)
- Registered office
- 18 Watsons Road, Newry, BT35 8PH
- Nature of business
- Construction of domestic buildings (SIC 41202)
Buying and selling of own real estate (SIC 68100) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 3 August 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Newry
Other active building contractors registered in Newry.
- CJR Building Contractor Ltd2023
- Clickvent Ltd2022
- Cloughanna Contracts Ltd2020
- CMC Joinery (Ire) Limited2025
- CMK Ceilings and Partitions Limited2025
- CMN Construction Ltd.2016
- CMW Construction Limited2003
- CNC Contracts (NI) Limited2014
All building contractors in Newry · All trades in Newry · Builders across the UK
Frequently asked questions
When are Chlorine Developments Ltd's accounts due?
Chlorine Developments Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Chlorine Developments Ltd'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 Chlorine Developments Ltd still trading?
Chlorine Developments 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 Chlorine Developments Ltd do?
Chlorine Developments Ltd is registered under Construction of domestic buildings (SIC 41202); Buying and selling of own real estate (SIC 68100).
How old is Chlorine Developments Ltd?
Chlorine Developments Ltd was incorporated on 9 August 2021, 5 years ago.
What is the penalty if Chlorine Developments 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 Chlorine Developments 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.