- Companies
- Installers
- Stevenage
- Thames Coldstore Insulation Limited
Thames Coldstore Insulation Limited
- Company number
- 02903212
- Incorporated
- 28 Feb 199432 years trading
- Registered office
- Building 15 Gateway 1000, Arlington Business Park, Stevenage, Hertfordshire, SG1 2FP
- Nature of business
- Other construction installation
Thames Coldstore Insulation Limited is a 32-year-old private limited company registered in Stevenage, company number 02903212, one of 63 installation companies (insulation, lifts, shutters and similar) in Stevenage. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 up £723K on the year before, to £723K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £1.1M against £641K owed within a year: 1.8 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £723K | £24K | £1.1M | £641K | 3 |
| 31 Mar 2024 | £169 | £197K | £253K | £527K | 3 |
| 31 Mar 2023 | £577K | £97K | £902K | £535K | 3 |
| 31 Mar 2022 | £529K | £222K | £797K | £315K | 3 |
| 31 Mar 2021 | £242K | £354K | £450K | £247K | 3 |
| 31 Mar 2020 | £211K | £109K | £356K | £170K | 4 |
| 31 Mar 2019 | £40K | £38K | £397K | £366K | 4 |
| 31 Mar 2018 | £300K | £201K | £439K | £149K | 4 |
| 31 Mar 2017 | £266K | £73K | £445K | £197K | 6 |
| 31 Mar 2016 | £161K | £92K | £368K | £237K |
Who runs and owns Thames Coldstore Insulation Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| C*** B*** | Director | Feb 1994 |
| F*** B*** | Director | Mar 2020 |
| F*** B*** | Secretary | Apr 1994 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| L & A Secretarial Limited | Corporate Nominee Secretary | Feb 1994 | Feb 1994 |
| F*** B*** | Director | Feb 1994 | May 2003 |
| L & A Registrars Limited | Nominee director (company) | Feb 1994 | Feb 1994 |
Person with significant control
Charges (secured borrowing)
1 of 2 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Midland Bank PLC | Outstanding | May 1994 |
| HSBC Bank PLC | Satisfied Oct 2023 | Jan 2008 |
Where Thames Coldstore Insulation Limited is registered
The registered office is in Stevenage (SG1), in the Stevenage local authority area, East of England. Show SG1 2FP on a map.
Other trade companies in SG1
- Masterplumbing&Heating LtdPlumbers and heating engineers
- Ohiggins Property Solutions LtdProperty developers
- Bird Detailing LtdCleaning companies
- Tedted Engineering LtdMechanics and garages
- DSS Facilities LtdFacilities management
- Macala Engineering LimitedSpecialist contractors
- Regency Detailing LtdMechanics and garages
- Ashtons Property Group LtdProperty developers
Also registered at this address
23 other companies use the same registered office as Thames Coldstore Insulation Limited.
- Ap Environmental LtdPlumbers and heating engineers
- Arch Catering and Refrigeration LtdMachinery repair and installation
- Asb Property Services (UK) LimitedBuilders
- B H Cooper LtdBuilders
- CG Landscapers LimitedSpecialist contractors
- Codicote Motors LtdMechanics and garages
- DJC Carpentry LimitedJoiners and carpenters
- Easthill Faraday LimitedElectricians
- Elstree Property Maintenance LimitedBuilders
- F. & L. Group LimitedProperty developers
- G & J Car Sales (Bedfordshire) LtdMotor traders
- H&B Decor LtdPainters and decorators
- Hawk KBF LtdFloor and wall tilers
- Hepburn Darby Cabling Solutions LtdCivil engineering
- Inspector Drain Services LtdCivil engineering
- J. Miles Building LtdBuilders
- M J Flooring & Carpets LimitedFloor and wall tilers
- Metal Fusion LimitedCivil engineering
- Metalcraft Fabrication LimitedInstallers
- Preeya Property Lettings Agency LimitedFinishing trades
- Thames Coldstore Installation LimitedSpecialist contractors
- Thomas Decorating LtdPainters and decorators
- Umbra Lighting LtdElectricians
What happens if Thames Coldstore Insulation 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 02903212
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 February 1994 (32 years ago)
- Registered office
- Building 15 Gateway 1000, Arlington Business Park, Stevenage, Hertfordshire, SG1 2FP
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 2 February 2026
- Charges (mortgages)
- 1 outstanding of 2 registered
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 Stevenage
Other active installation companies (insulation, lifts, shutters and similar) registered in Stevenage.
- Tomahawk Property Services Ltd2017
- Tytal Lifts Ltd2017
- UK Mastic Man Limited2021
- Unique Glam (UK) Ltd2023
- Universal Cabling Solutions Ltd2023
- Wallfix Duo Ltd2024
- Wrightade Limited2016
- Wyatt Installations Limited2026
All installation companies (insulation, lifts, shutters and similar) in Stevenage · All trades in Stevenage · Installers across the UK
Frequently asked questions
When are Thames Coldstore Insulation Limited's accounts due?
Thames Coldstore Insulation Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Thames Coldstore Insulation Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Thames Coldstore Insulation Limited still trading?
Thames Coldstore Insulation 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 Coldstore Insulation Limited do?
Thames Coldstore Insulation Limited is registered under Other construction installation (SIC 43290).
How old is Thames Coldstore Insulation Limited?
Thames Coldstore Insulation Limited was incorporated on 28 February 1994, 32 years ago.
Who runs Thames Coldstore Insulation Limited?
Thames Coldstore Insulation Limited has 2 active directors, the longest-serving appointed in Feb 1994. Their names and service addresses are on the Companies House register.
Who owns Thames Coldstore Insulation Limited?
One person or company has significant control of Thames Coldstore Insulation Limited: Thames Coldstore Installation Limited (owns 75% or more of the shares).
What is the penalty if Thames Coldstore Insulation 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 Coldstore Insulation 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.