- Companies
- Installers
- Harpenden
- Thenineteenth Ltd
Thenineteenth Ltd
- Company number
- 17127359
- Incorporated
- 31 Mar 2026
- Registered office
- Rivers Lodge, West Common, Harpenden, Hertfordshire, AL5 2JD
- Nature of business
- Other construction installation
Thenineteenth Ltd is a newly incorporated private limited company registered in Harpenden, company number 17127359, one of 10 installation companies (insulation, lifts, shutters and similar) in Harpenden. Its next accounts are due at Companies House on 31 December 2027, and its first CT600 is due at HMRC on 30 March 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.
Is this your company?
File the first 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 Thenineteenth 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.
Where Thenineteenth Ltd is registered
The registered office is in Harpenden (AL5), in the St Albans local authority area, East of England. Show AL5 2JD on a map.
Other trade companies in AL5
- M&T Building Services LimitedBuilders
- Rolfe Groundworks LtdGroundworks and demolition
- Rolls and Sons LtdProperty developers
- WM Holdings Group LtdProperty developers
- A Hussain Motor Group LtdMotor traders
- Harpenden Window Cleaning LtdCleaning companies
- Honey Bear Energy LimitedPlumbers and heating engineers
- M&D Paving LtdCivil engineering
Also registered at this address
15 other companies use the same registered office as Thenineteenth Ltd.
- Agecourt LimitedProperty developers
- Colne View LimitedProperty developers
- Diagrid LimitedProperty developers
- Graphic Building Products LtdSpecialist contractors
- GRC Automotive LtdMechanics and garages
- Harpenden Home Handyman Services LtdFinishing trades
- Hertfordshire Air Conditioning LimitedPlumbers and heating engineers
- Homexe LtdElectricians
- J A Wright Construction LtdInstallers
- Kcpi LimitedFinishing trades
- Lewis Property Design & Build LtdSpecialist contractors
- MHR Renovations LtdSpecialist contractors
- Platinum Housekeeping LimitedCleaning companies
- Proline Roofing and Building LtdRoofers
- Riseley Plumbing Services LimitedPlumbers and heating engineers
What happens if Thenineteenth 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17127359
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 March 2026
- Registered office
- Rivers Lodge, West Common, Harpenden, Hertfordshire, AL5 2JD
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Harpenden
Other active installation companies (insulation, lifts, shutters and similar) registered in Harpenden.
- C.J. O'Shaughnessy (Brickwork) Limited2001
- Frankling & Oakley Ltd2018
- J A Wright Construction Ltd2020
- Kallon & Co Group Limited2024
- Kitchen Makeovers Ltd2020
- Man for the Job Limited2023
- Paul 1 Smith Carpentry Limited2017
- Pepper Property Services Ltd2023
All installation companies (insulation, lifts, shutters and similar) in Harpenden · All trades in Harpenden · Installers across the UK
Frequently asked questions
When are Thenineteenth Ltd's accounts due?
Thenineteenth Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Thenineteenth 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 30 March 2027, due by 30 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Thenineteenth Ltd still trading?
Thenineteenth 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 Thenineteenth Ltd do?
Thenineteenth Ltd is registered under Other construction installation (SIC 43290).
How old is Thenineteenth Ltd?
Thenineteenth Ltd was incorporated on 31 March 2026, less than a year ago.
What is the penalty if Thenineteenth 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 Thenineteenth 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.