- Companies
- Specialist contractors
- Uxbridge
- Deep Steelworks & Architectural Ltd
Deep Steelworks & Architectural Ltd
- Company number
- 10538997
- Incorporated
- 23 Dec 20169 years trading
- Registered office
- 14 Linden Square, Harefield, Uxbridge, UB9 6TQ
- Nature of business
- Other specialised construction activities n.e.c.
Deep Steelworks & Architectural Ltd is a 9-year-old private limited company registered in Uxbridge, company number 10538997, one of 111 specialist construction companies in Uxbridge. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £25K (+7.3%) on the year before, to £364K.
- Net assets rose in 7 of 7 year-on-year comparisons on record.
- Current assets of £2.4M against £2.5M owed within a year: 1.0 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 8 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £364K | £242K | £2.4M | £2.5M | 5 |
| 31 Jan 2024 | £339K | £295K | £2.3M | £2.2M | 5 |
| 31 Jan 2023 | £334K | £139K | £2.2M | £2.1M | 8 |
| 31 Jan 2022 | £288K | £72K | £2.3M | £2.1M | 14 |
| 31 Jan 2021 | £220K | £188K | £1.3M | £1.8M | 12 |
| 31 Dec 2019 | £56K | £107K | £726K | £762K | 8 |
| 31 Dec 2018 | £9,554 | £10 | £17K | £121K | 1 |
| 31 Dec 2017 | £10 | £10 |
Where Deep Steelworks & Architectural Ltd is registered
The registered office is in Uxbridge (UB9), in the Hillingdon local authority area, London. Show UB9 6TQ on a map.
Other trade companies in UB9
- Buildzz LtdBuilders
- 31Rigging LimitedScaffolders
- Og Rigging LtdScaffolders
- Ajp Property Services London LtdBuilders
- Garry Clark Set Construction LtdInstallers
- Garry Clark Construction LtdBuilders
- LCCC Landscaping and Maintenance Services LtdLandscapers and gardeners
- Commsource LtdSpecialist contractors
Also registered at this address
6 other companies use the same registered office as Deep Steelworks & Architectural Ltd.
- Deep Living Kenley LimitedProperty developers
- Deep Living London LtdSpecialist contractors
- Deep Living Warlingham LimitedProperty developers
- Deep Remedials LtdSpecialist contractors
- Deep Scaffolding LtdScaffolders
- DTS Real Estate LtdSpecialist contractors
What happens if Deep Steelworks & Architectural 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 10538997
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 December 2016 (9 years ago)
- Registered office
- 14 Linden Square, Harefield, Uxbridge, UB9 6TQ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 11 July 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
- Previous names
- Deep Steelworks Ltd (until 24 Jun 2020)
Deep Scaffolding & Plant Hire Ltd (until 20 Nov 2018)
Quick Tool Hire Ltd (until 5 Jan 2018)
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 Uxbridge
Other active specialist construction companies registered in Uxbridge.
- DN Build Ltd2026
- DTS Real Estate Ltd2021
- DVS Tiling Limited2024
- Ebrit Fire Protection Limited2014
- Eco GG Ltd2023
- Electronic Data Management Systems Ltd2024
- Eliteparamount Construction Ltd2024
- Embaarkks Limited2015
All specialist construction companies in Uxbridge · All trades in Uxbridge · Specialist contractors across the UK
Frequently asked questions
When are Deep Steelworks & Architectural Ltd's accounts due?
Deep Steelworks & Architectural Ltd's next accounts are due at Companies House by 31 October 2026 (in 17 days), covering the period to 31 January 2026.
When is Deep Steelworks & Architectural Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Deep Steelworks & Architectural Ltd still trading?
Deep Steelworks & Architectural 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 Deep Steelworks & Architectural Ltd do?
Deep Steelworks & Architectural Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Deep Steelworks & Architectural Ltd?
Deep Steelworks & Architectural Ltd was incorporated on 23 December 2016, 9 years ago.
What is the penalty if Deep Steelworks & Architectural 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 Deep Steelworks & Architectural 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.