- Companies
- Finishing trades
- Welwyn
- Gridlocked Ltd
Gridlocked Ltd
- Company number
- 06480344
- Incorporated
- 22 Jan 200818 years trading
- Registered office
- 27 Blakes Way, Welwyn, Hertfordshire, AL6 9RE
- Nature of business
- Other building completion and finishing
Gridlocked Ltd is a 18-year-old private limited company registered in Welwyn, company number 06480344, one of the UK's building finishing companies. 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 £39K (+12.2%) on the year before, to £361K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £1.2M against £616K owed within a year: 1.9 times cover.
- 6 employees on average, down from 7 the year before.
- 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 | £361K | £0 | £1.2M | £616K | 6 |
| 31 Mar 2024 | £321K | £71K | £1.3M | £817K | 7 |
| 28 Feb 2023 | £156K | £57K | £1.1M | £715K | 5 |
| 28 Feb 2022 | £151K | £61K | £505K | £219K | 4 |
| 28 Feb 2021 | £1,387 | £28K | £391K | £512K | 4 |
| 29 Feb 2020 | £24K | £105K | £287K | £274K | 3 |
| 28 Feb 2019 | £148K | £203K | 3 | ||
| 28 Feb 2018 | £4,343 | £0 | £77K | £63K | 2 |
| 28 Feb 2017 | £31K | £153K | £162K | £116K | 1 |
| 29 Feb 2016 | £33K | £81K | £111K | £79K |
Where Gridlocked Ltd is registered
The registered office is in Welwyn (AL6), in the Welwyn Hatfield local authority area, East of England. Show AL6 9RE on a map.
Other trade companies in AL6
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- Cosmorepairs LtdRepair services
- Little Enterprise Group LtdProperty developers
- Sehiti Plumbing and Heating LtdPlumbers and heating engineers
- LMC Highway Design LtdCivil engineering
- Fox Huhu Trading LimitedBuilders
- Enclosure Zoolutions LtdProperty developers
- G.I. Installation Services LimitedBuilders
What happens if Gridlocked 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 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
- 06480344
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 January 2008 (18 years ago)
- Registered office
- 27 Blakes Way, Welwyn, Hertfordshire, AL6 9RE
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 2 March 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Welwyn
Other active building finishing companies registered in Welwyn.
All building finishing companies in Welwyn · All trades in Welwyn · Finishing trades across the UK
Frequently asked questions
When are Gridlocked Ltd's accounts due?
Gridlocked Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Gridlocked Ltd'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 Gridlocked Ltd still trading?
Gridlocked 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 Gridlocked Ltd do?
Gridlocked Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Gridlocked Ltd?
Gridlocked Ltd was incorporated on 22 January 2008, 18 years ago.
What is the penalty if Gridlocked 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 Gridlocked 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.