- Company number
- 16284486
- Incorporated
- 28 Feb 20251 year trading
- Registered office
- 2 Princes Square, Harrogate, HG1 1LX
- Nature of business
- Construction of domestic buildings
Ah Building Limited is a 1-year-old private limited company registered in Harrogate, company number 16284486, one of 91 building contractors in Harrogate. Its next accounts are due at Companies House on 30 November 2026, and its first CT600 is due at HMRC on 27 February 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 Ah Building Limited is registered
The registered office is in Harrogate (HG1), in the North Yorkshire local authority area, Yorkshire and The Humber. Show HG1 1LX on a map.
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What happens if Ah Building 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 16284486
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 February 2025 (1 year ago)
- Registered office
- 2 Princes Square, Harrogate, HG1 1LX
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 27 February 2026
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 Harrogate
Other active building contractors registered in Harrogate.
- Alafaq Global Trading Ltd2025
- Albashiri Contracting and Trading Ltd2024
- Angela Swift Developments (Gomersal) Limited2025
- Angela Swift Developments (Southport) Limited2024
- Angela Swift Developments (Stainton) Limited2017
- Angela Swift Developments (Worsley) Ltd2024
- Ardent Elements Ltd2023
- Argent Building & Joinery Limited2020
All building contractors in Harrogate · All trades in Harrogate · Builders across the UK
Frequently asked questions
When are Ah Building Limited's accounts due?
Ah Building Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Ah Building 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 27 February 2026, due by 27 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ah Building Limited still trading?
Ah Building 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 Ah Building Limited do?
Ah Building Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Ah Building Limited?
Ah Building Limited was incorporated on 28 February 2025, 1 year ago.
What is the penalty if Ah Building 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 Ah Building 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.