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- Thameswood Engineering Ltd
Company profile · Plumbers and heating engineers
Thameswood Engineering Ltd
Thameswood Engineering Ltd is a newly incorporated private limited company registered in Worthing, company number 17420135, one of 94 plumbing and heating companies in Worthing. Its next accounts are due at Companies House on 25 May 2028, and its first CT600 is due at HMRC on 24 August 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.
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Where Thameswood Engineering Ltd is registered
The registered office is in Worthing (BN11), in the Worthing local authority area, South East. Show BN11 4HN on a map.
Other trade companies in BN11
- B & W Electrical (South) LimitedElectricians
- SR Services Sussex LtdMachinery repair and installation
- TH Fencing & Landscaping Services LimitedSpecialist contractors
- Roofscanner LtdRoofers
- B and C Painting and Renovation LtdBuilders
- Careful Home Renovations LtdBuilders
- Abbey Garden Solutions LtdSpecialist contractors
- Prestige Refrigeration and Air Conditioning LtdPlumbers and heating engineers
Also registered at this address
5 other companies use the same registered office as Thameswood Engineering Ltd.
- Flooring Hut LtdFloor and wall tilers
- Gem Ceilings and Walls Specialists LimitedProperty developers
- Next Level Construction Sussex LtdProperty developers
- Pearl Building LtdProperty developers
- The Greencook Enterprise LimitedBuilders
What happens if Thameswood Engineering 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 25 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 May 2028 to 25 Jun 2028 | £150 |
| 1 to 3 months late | 26 Jun 2028 to 25 Aug 2028 | £375 |
| 3 to 6 months late | 26 Aug 2028 to 25 Nov 2028 | £750 |
| More than 6 months late | From 26 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17420135
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 August 2026
- Registered office
- 209 Tarring Road, Worthing, BN11 4HN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (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 Worthing
Other active plumbing and heating companies registered in Worthing.
- Vincent Aprax Ltd2012
- Ward Gas Services Limited1992
- Worthing Plumbing & Heating Limited2011
- WPH Building Services Limited2025
- XBG Plumbing & Heating Ltd2003
- A S Hope Plumbing and Heating Limited2015
- Advanced Plumbing Solutions Ltd2021
- All About Services Limited2023
All plumbing and heating companies in Worthing · All trades in Worthing · Plumbers and heating engineers across the UK
Frequently asked questions
When are Thameswood Engineering Ltd's accounts due?
Thameswood Engineering Ltd's next accounts are due at Companies House by 25 May 2028 (in 591 days), covering the period to 31 August 2027.
When is Thameswood Engineering 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 24 August 2027, due by 24 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Thameswood Engineering Ltd still trading?
Thameswood Engineering 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 Thameswood Engineering Ltd do?
Thameswood Engineering Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thameswood Engineering Ltd?
Thameswood Engineering Ltd was incorporated on 25 August 2026, less than a year ago.
What is the penalty if Thameswood Engineering 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 Thameswood Engineering 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.