- Companies
- Property developers
- Co Down
- Duir Holdings Ltd
Duir Holdings Ltd
- Company number
- NI630002
- Incorporated
- 13 Mar 201511 years trading
- Registered office
- 4 Craigdarragh Road, Helens Bay, Co Down, BT19 1UA
- Nature of business
- Development of building projects
Duir Holdings Ltd is a 11-year-old private limited company registered in Co Down, company number NI630002, one of 9 property development companies in Co Down. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 Duir Holdings 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 £84K (+481.6%) on the year before, to £102K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £3M against £2.5M owed within a year: 1.2 times cover.
- 3 employees on average during the year.
- 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 Mar 2025 | £102K | £424K | £3M | £2.5M | 3 |
| 31 Mar 2024 | £17K | £150K | £3.2M | £2.5M | 3 |
| 31 Mar 2023 | £68K | £106K | £3.5M | £2.5M | 3 |
| 31 Mar 2022 | £83K | £336K | £2.8M | £1.7M | 3 |
| 31 Mar 2021 | £45K | £655K | £1.7M | £1.4M | 3 |
| 31 Mar 2020 | £15K | £230K | £1.3M | £1.3M | 3 |
| 31 Mar 2019 | -£1,498 | £0 | £755K | £757K | 3 |
| 31 Mar 2018 | £2 | £476K | £476K | ||
| 31 Mar 2017 | £1 | £1 | |||
| 31 Mar 2016 | £1 | £1 |
Where Duir Holdings Ltd is registered
The registered office is in Co Down (BT19), in the Ards and North Down local authority area, Northern Ireland. Show BT19 1UA on a map.
Other trade companies in BT19
- Snowfoam LtdCleaning companies
- Collins Mep UK LtdElectricians
- KS Roofing & Property Maintenance LtdRoofers
- JMS Coach Hill Motors LtdMotor traders
- MRS Mop Cleaning Services LtdCleaning companies
- 2Jzgte LtdMotor traders
- JP Security & Electrical LtdElectricians
- GLS Property Care LtdFinishing trades
What happens if Duir Holdings 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- NI630002
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 March 2015 (11 years ago)
- Registered office
- 4 Craigdarragh Road, Helens Bay, Co Down, BT19 1UA
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 13 March 2026
- Charges (mortgages)
- 4 outstanding of 7 registered
- Previous names
- R N Graham Properties Ltd (until 5 May 2017)
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Co Down
Other active property development companies registered in Co Down.
- Dunmore Construction Limited1989
- Michael Dunlop Limited1990
- Phillips (Holdings) Limited1961
- Phillips (Lion Motors) Limited1973
- Rodgers Formwork Ltd2004
- ST Hanna Building Contracts Limited2003
- Taf Limited2000
- D & M Boden Ltd2003
All property development companies in Co Down · All trades in Co Down · Property developers across the UK
Frequently asked questions
When are Duir Holdings Ltd's accounts due?
Duir Holdings Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Duir Holdings Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Duir Holdings Ltd still trading?
Duir Holdings 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 Duir Holdings Ltd do?
Duir Holdings Ltd is registered under Development of building projects (SIC 41100).
How old is Duir Holdings Ltd?
Duir Holdings Ltd was incorporated on 13 March 2015, 11 years ago.
What is the penalty if Duir Holdings 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 Duir Holdings 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.