- Companies
- Specialist contractors
- Loughton
- Thames Basement Limited
Thames Basement Limited
- Company number
- 11230342
- Incorporated
- 28 Feb 20188 years trading
- Registered office
- Abacus House, 14-18 Forest Road, Loughton, IG10 1DX
- Nature of business
- Other specialised construction activities n.e.c.
Thames Basement Limited is a 8-year-old private limited company registered in Loughton, company number 11230342, one of 71 specialist construction companies in Loughton. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 £178K (-202.1%) on the year before, to -£90K.
- Net assets rose in 2 of 6 year-on-year comparisons on record.
- Current assets of £610K against £683K owed within a year: 0.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | -£90K | £0 | £610K | £683K | 1 |
| 31 May 2024 | £88K | £69K | £552K | £441K | 1 |
| 31 May 2023 | £139K | £509 | £393K | £227K | 2 |
| 31 May 2022 | £131K | £0 | £384K | £222K | 1 |
| 31 May 2021 | £193K | £29K | £457K | £215K | 2 |
| 31 May 2020 | £176K | £105K | £341K | £165K | 2 |
| 31 May 2019 | £194K | £354K | £160K | 2 |
Where Thames Basement Limited is registered
The registered office is in Loughton (IG10), in the Epping Forest local authority area, East of England. Show IG10 1DX on a map.
Other trade companies in IG10
- J Group Poplar Grove LtdProperty developers
- Istrati Civil Engineering LtdSpecialist contractors
- Vlad 71 LtdBuilders
- Ajs Resolutions LimitedLandscapers and gardeners
- Alex Undercover LtdSpecialist contractors
- Bekio Covenant Holdings LtdCleaning companies
- Apex UK Drylining LtdInstallers
- H & H Bespoke Services LtdPainters and decorators
Also registered at this address
21 other companies use the same registered office as Thames Basement Limited.
- Aurum Contracts LimitedInstallers
- B.T.B. Nottingham LtdBuilders
- Birchwood Properties LimitedBuilders
- Burrsmid Developments LimitedBuilders
- Charlie Gardens LimitedLandscapers and gardeners
- Chelmsford Flooring LimitedFloor and wall tilers
- Clockwork Mechanical Services LtdMechanics and garages
- Design by Ricki-Lee LimitedProperty developers
- Galostar Developments LimitedBuilders
- Geosib Properties LimitedBuilders
- GW Power LimitedElectricians
- Hopkins and Barnard Developments LimitedProperty developers
- MB Roofing Services (London & Herts) LimitedRoofers
- Nolan Group LimitedFinishing trades
- S.B Electrical & Av LtdElectricians
- Smoke Safe LimitedSpecialist contractors
- Summerbase LimitedBuilders
- Toquin Contracts LtdPlasterers
- Total Cleaning & Maintenance LimitedCleaning companies
- Winchmore LimitedPainters and decorators
- Winchmore Projects LimitedPainters and decorators
What happens if Thames Basement 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 11230342
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 February 2018 (8 years ago)
- Registered office
- Abacus House, 14-18 Forest Road, Loughton, IG10 1DX
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 27 February 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Loughton
Other active specialist construction companies registered in Loughton.
- TLS Property Services Ltd2017
- Toquin Sa Limited2000
- Vinna Contracts Limited2023
- Vma Technical Services Limited2019
- WB Partnership Limited2007
- Woodhouse Interiors Ltd2021
- A&D Interiors Ltd2020
- Advanced Rope Access Solutions Ltd2024
All specialist construction companies in Loughton · All trades in Loughton · Specialist contractors across the UK
Frequently asked questions
When are Thames Basement Limited's accounts due?
Thames Basement Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Thames Basement Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Thames Basement Limited still trading?
Thames Basement 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 Thames Basement Limited do?
Thames Basement Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Thames Basement Limited?
Thames Basement Limited was incorporated on 28 February 2018, 8 years ago.
What is the penalty if Thames Basement 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 Thames Basement 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.