- Companies
- Plumbers and heating engineers
- Watford
- Thames Interiors Ltd
Thames Interiors Ltd
- Company number
- 14480182
- Incorporated
- 11 Nov 20223 years trading
- Registered office
- 136 ST. Albans Road, Watford, WD24 4FT
- Nature of business
- Plumbing, heat and air-conditioning installation
Thames Interiors Ltd is a 3-year-old private limited company registered in Watford, company number 14480182, one of 124 plumbing and heating companies in Watford. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the 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 Thames Interiors 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.
Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £11K (-100%) on the year before, to £1.
- Current assets of £16K against £16K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £1 | £16K | £16K | 1 | |
| 30 Nov 2024 | £11K | £21K | £10K | 1 | |
| 30 Nov 2023 | £16K | £1,026 | £23K | £7,144 | 1 |
Where Thames Interiors Ltd is registered
The registered office is in Watford (WD24), in the Watford local authority area, East of England. Show WD24 4FT on a map.
Other trade companies in WD24
- VK28 Services LtdFinishing trades
- DRR Builders LtdBuilders
- Redmarsh Trade LimitedMotor traders
- Herts Trading LtdMotor traders
- Coversure Roofing & Building LtdRoofers
- LLS Building LimitedBuilders
- Snagsense LtdSpecialist contractors
- D&X Cleaning Solutions LtdCleaning companies
Shared registered office
29 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Thames Interiors 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 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
- 14480182
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 November 2022 (3 years ago)
- Registered office
- 136 ST. Albans Road, Watford, WD24 4FT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 10 November 2025
- Previous names
- Steele Installations Ltd (until 14 Apr 2026)
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 Watford
Other active plumbing and heating companies registered in Watford.
- Thermo Heating & Cooling Ltd2025
- Todosi Plumbing Limited2016
- Tower Gas Ltd2016
- TSQ Building Service Ltd2024
- Ujetrans Ltd2025
- Urantub Ltd2026
- V Plumb Ltd2024
- V&M Property Maintenance Ltd2023
All plumbing and heating companies in Watford · All trades in Watford · Plumbers and heating engineers across the UK
Frequently asked questions
When are Thames Interiors Ltd's accounts due?
Thames Interiors Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Thames Interiors Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Thames Interiors Ltd still trading?
Thames Interiors 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 Thames Interiors Ltd do?
Thames Interiors Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thames Interiors Ltd?
Thames Interiors Ltd was incorporated on 11 November 2022, 3 years ago.
What is the penalty if Thames Interiors 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 Thames Interiors 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.