- Companies
- Specialist contractors
- Henfield
- Northumberland 21 Limited
Northumberland 21 Limited
- Company number
- 17221850
- Incorporated
- 15 May 2026
- Registered office
- Unit 3, Mackley Industrial Estate, Henfield Road, Small Dole, Henfield, West Sussex, BN5 9XR
- Nature of business
- Other specialised construction activities n.e.c.
Northumberland 21 Limited is a newly incorporated private limited company registered in Henfield, company number 17221850, one of 8 specialist construction companies in Henfield. Its next accounts are due at Companies House on 15 February 2028, and its first CT600 is due at HMRC on 14 May 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Northumberland 21 Limited is registered
The registered office is in Henfield (BN5), in the Horsham local authority area, South East. Show BN5 9XR on a map.
Other trade companies in BN5
- Avro Developments LtdProperty developers
- J Group Construction LimitedSpecialist contractors
- Strachan Plant Services LtdMachinery repair and installation
- JC and Co Kitchen and Bathroom Specialist LtdInstallers
- 4B Homes LimitedProperty developers
- Southdowns Gutter Cleaning LtdCleaning companies
- Ces Fire & Electrical LimitedElectricians
- Grow by L&L Gardening LtdLandscapers and gardeners
What happens if Northumberland 21 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 15 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Feb 2028 to 15 Mar 2028 | £150 |
| 1 to 3 months late | 16 Mar 2028 to 15 May 2028 | £375 |
| 3 to 6 months late | 16 May 2028 to 15 Aug 2028 | £750 |
| More than 6 months late | From 16 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | 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
- 17221850
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 May 2026
- Registered office
- Unit 3, Mackley Industrial Estate, Henfield Road, Small Dole, Henfield, West Sussex, BN5 9XR
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Henfield
Other active specialist construction companies registered in Henfield.
- Townley Design and Build Ltd2021
- 20Six (South East) Ltd2010
- Alpine Preservation Ltd2003
- Alpine Preservations Limited1983
- DWL Steel Erections Limited2006
- Ifix Steel Solutions Ltd2016
- J Group Construction Limited2026
All specialist construction companies in Henfield · All trades in Henfield · Specialist contractors across the UK
Frequently asked questions
When are Northumberland 21 Limited's accounts due?
Northumberland 21 Limited's next accounts are due at Companies House by 15 February 2028 (in 489 days), covering the period to 31 May 2027.
When is Northumberland 21 Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 14 May 2027, due by 14 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Northumberland 21 Limited still trading?
Northumberland 21 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 Northumberland 21 Limited do?
Northumberland 21 Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Northumberland 21 Limited?
Northumberland 21 Limited was incorporated on 15 May 2026, less than a year ago.
What is the penalty if Northumberland 21 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 Northumberland 21 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.