- Companies
- Plumbers and heating engineers
- Longfield
- Thain Air Conditioning Services Ltd
Thain Air Conditioning Services Ltd
- Company number
- 17326677
- Incorporated
- 7 Jul 2026
- Registered office
- Bowery, Pescot Avenue, Longfield, DA3 7NA
- Nature of business
- Plumbing, heat and air-conditioning installation
Thain Air Conditioning Services Ltd is a newly incorporated private limited company registered in Longfield, company number 17326677, one of 12 plumbing and heating companies in Longfield. Its next accounts are due at Companies House on 7 April 2028, and its first CT600 is due at HMRC on 6 July 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 Thain Air Conditioning Services 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 Thain Air Conditioning Services Ltd is registered
The registered office is in Longfield (DA3), in the Dartford local authority area, South East. Show DA3 7NA on a map.
Other trade companies in DA3
- Heat Exchangers LtdPlumbers and heating engineers
- Ohq Management LimitedFinishing trades
- J Roe Scaffolding LimitedScaffolders
- A T Installations (2026) LimitedPlumbers and heating engineers
- Interlock Plumbing & Heating LimitedPlumbers and heating engineers
- Window Medic Kent LimitedJoiners and carpenters
- BMDZ Group LtdCleaning companies
- Hartley Windscreens and Sons LtdMechanics and garages
What happens if Thain Air Conditioning Services 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 7 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 8 Apr 2028 to 7 May 2028 | £150 |
| 1 to 3 months late | 8 May 2028 to 7 Jul 2028 | £375 |
| 3 to 6 months late | 8 Jul 2028 to 7 Oct 2028 | £750 |
| More than 6 months late | From 8 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17326677
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 July 2026
- Registered office
- Bowery, Pescot Avenue, Longfield, DA3 7NA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Longfield
Other active plumbing and heating companies registered in Longfield.
- A T Installations (2026) Limited2026
- DLS Kent Limited2022
- DPM Plumbing and Heating Limited2015
- DTK Property Services Limited2014
- Eco Warm Services Ltd2018
- Ethos-Air Ltd2021
- Heat Exchangers Ltd2026
- HJB Plumbing Services Limited2025
All plumbing and heating companies in Longfield · All trades in Longfield · Plumbers and heating engineers across the UK
Frequently asked questions
When are Thain Air Conditioning Services Ltd's accounts due?
Thain Air Conditioning Services Ltd's next accounts are due at Companies House by 7 April 2028 (in 542 days), covering the period to 31 July 2027.
When is Thain Air Conditioning Services 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 6 July 2027, due by 6 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Thain Air Conditioning Services Ltd still trading?
Thain Air Conditioning Services 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 Thain Air Conditioning Services Ltd do?
Thain Air Conditioning Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thain Air Conditioning Services Ltd?
Thain Air Conditioning Services Ltd was incorporated on 7 July 2026, less than a year ago.
What is the penalty if Thain Air Conditioning Services 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 Thain Air Conditioning Services 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.