Nsac Ltd
- Company number
- 16331786
- Incorporated
- 20 Mar 20251 year trading
- Registered office
- Wellington House, 273-275 High Street, London Colney, Hertfordshire, AL2 1HA
- Nature of business
- Other specialised construction activities n.e.c.
Nsac Ltd is a 1-year-old private limited company registered in London Colney, company number 16331786, one of 8 specialist construction companies in London Colney. Its next accounts are due at Companies House on 20 December 2026, and its first CT600 is due at HMRC on 19 March 2027.
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 Nsac Ltd is registered
The registered office is in London Colney (AL2), in the St Albans local authority area, East of England. Show AL2 1HA on a map.
Other trade companies in AL2
- Keris Ventures Limited LimitedFinishing trades
- Kelly Brickwork LimitedBuilders
- Aurora Electrical LtdElectricians
- Pillars Motors LimitedMotor traders
- Pride & Joy LtdFinishing trades
- Rowantree Developments Group LimitedProperty developers
- Herts Groundworks and Civils LtdGroundworks and demolition
- Meristem Developments LtdProperty developers
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 Nsac 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 20 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Dec 2026 to 20 Jan 2027 | £150 |
| 1 to 3 months late | 21 Jan 2027 to 20 Mar 2027 | £375 |
| 3 to 6 months late | 21 Mar 2027 to 20 Jun 2027 | £750 |
| More than 6 months late | From 21 Jun 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
- 16331786
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 March 2025 (1 year ago)
- Registered office
- Wellington House, 273-275 High Street, London Colney, Hertfordshire, AL2 1HA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 19 March 2026
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 London Colney
Other active specialist construction companies registered in London Colney.
- Set Mouldings Ltd2011
- Bmorris and Son Ltd2023
- Colmans Services Ltd2022
- DK McCarthy Solutions Ltd2022
- Emulsional Limited2021
- Gem Bud 1 Chipette Ltd2022
- L&C Jackson Services Ltd2022
All specialist construction companies in London Colney · All trades in London Colney · Specialist contractors across the UK
Frequently asked questions
When are Nsac Ltd's accounts due?
Nsac Ltd's next accounts are due at Companies House by 20 December 2026 (in 69 days), covering the period to 31 March 2026.
When is Nsac Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 19 March 2026, due by 19 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Nsac Ltd still trading?
Nsac 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 Nsac Ltd do?
Nsac Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Nsac Ltd?
Nsac Ltd was incorporated on 20 March 2025, 1 year ago.
What is the penalty if Nsac 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 Nsac 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.