- Companies
- Civil engineering
- Northampton
- A T (Northampton) Limited
A T (Northampton) Limited
- Company number
- 16858483
- Incorporated
- 16 Nov 2025
- Registered office
- 8 Poyntz Gardens, Northampton, NN5 7RY
- Nature of business
- Construction of other civil engineering projects n.e.c.
A T (Northampton) Limited is a newly incorporated private limited company registered in Northampton, company number 16858483, one of 152 civil engineering contractors in Northampton. Its next accounts are due at Companies House on 16 August 2027, and its first CT600 is due at HMRC on 15 November 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 A T (Northampton) Limited is registered
The registered office is in Northampton (NN5), in the West Northamptonshire local authority area, East Midlands. Show NN5 7RY on a map.
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Also registered at this address
12 other companies use the same registered office as A T (Northampton) Limited.
- Blakemore Management LimitedPlumbers and heating engineers
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What happens if A T (Northampton) 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 16 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 17 Aug 2027 to 16 Sep 2027 | £150 |
| 1 to 3 months late | 17 Sep 2027 to 16 Nov 2027 | £375 |
| 3 to 6 months late | 17 Nov 2027 to 16 Feb 2028 | £750 |
| More than 6 months late | From 17 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16858483
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 November 2025
- Registered office
- 8 Poyntz Gardens, Northampton, NN5 7RY
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Northampton
Other active civil engineering contractors registered in Northampton.
- A&E Construction Ltd2020
- A&V Solution Ltd2026
- Aac Construction Ltd2024
- Abington Civils Limited2016
- Ac Turcanu Ltd2024
- Adroluc Ltd2018
- Adw Surveying Services Ltd2015
- Alpha Services (Northampton) Limited2015
All civil engineering contractors in Northampton · All trades in Northampton · Civil engineering across the UK
Frequently asked questions
When are A T (Northampton) Limited's accounts due?
A T (Northampton) Limited's next accounts are due at Companies House by 16 August 2027 (in 307 days), covering the period to 30 November 2026.
When is A T (Northampton) 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 15 November 2026, due by 15 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is A T (Northampton) Limited still trading?
A T (Northampton) 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 A T (Northampton) Limited do?
A T (Northampton) Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is A T (Northampton) Limited?
A T (Northampton) Limited was incorporated on 16 November 2025, less than a year ago.
What is the penalty if A T (Northampton) 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 A T (Northampton) 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.