- Companies
- Specialist contractors
- Plymouth
- Allen Welding Limited
Allen Welding Limited
- Company number
- 03821458
- Incorporated
- 6 Aug 199927 years trading
- Registered office
- Devonshire Villa 52 Stuart Road, Stoke, Plymouth, Devon, PL3 4EE
- Nature of business
- Other specialised construction activities n.e.c.
Allen Welding Limited is a 27-year-old private limited company registered in Plymouth, company number 03821458, one of 113 specialist construction companies in Plymouth. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £234K (-30.5%) on the year before, to £531K.
- Net assets rose in 2 of 6 year-on-year comparisons on record.
- Current assets of £811K against £420K owed within a year: 1.9 times cover.
- 20 employees on average, down from 21 the year before.
- Balance sheets on record for 8 years, 2014 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £531K | £144K | £811K | £420K | 20 |
| 31 Jul 2024 | £765K | £732K | £1.1M | £478K | 21 |
| 31 Jul 2023 | £573K | £354K | £1.1M | £596K | 22 |
| 31 Jul 2022 | £578K | £204K | £864K | £418K | 23 |
| 31 Jul 2021 | £655K | £306K | £998K | £489K | 24 |
| 31 Jul 2016 | £254K | £118K | £422K | £249K | |
| 31 Jul 2015 | £199K | £100K | £398K | £270K | |
| 31 Jul 2014 | £219K | £351 | £723K | £568K |
Public contracts won
Allen Welding Limited has one public sector contract award on record (2026). Source: Contracts Finder and Find a Tender award notices. For all of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Affinity Water Limited | UVDB Powered by Achilles QUDM for Goods, Works and Services | Ceiling, not shown | 19 Aug 2026 |
Where Allen Welding Limited is registered
The registered office is in Plymouth (PL3), in the Plymouth local authority area, South West. Show PL3 4EE on a map.
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- VW Pro Tech LtdMotor traders
- Mannamead Express LtdCleaning companies
- County Grounds Group LimitedLandscapers and gardeners
Also registered at this address
5 other companies use the same registered office as Allen Welding Limited.
- Eco Space (South West) LimitedBuilders
- Millfield Eco Projects LimitedBuilders
- Parman Group LimitedProperty developers
- Sormoss LimitedProperty developers
- Sound Solutions (SW) LtdElectricians
What happens if Allen Welding 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 03821458
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 August 1999 (27 years ago)
- Registered office
- Devonshire Villa 52 Stuart Road, Stoke, Plymouth, Devon, PL3 4EE
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 6 August 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Plymouth
Other active specialist construction companies registered in Plymouth.
- Arborcure Building Maintenance Limited2025
- Buildx (SW) Ltd2020
- C P Naval Ltd2026
- CJM Install Ltd2018
- Compass Marine Decking Ltd2007
- Complete Works Plymouth Ltd2016
- Connections Carpentry & Construction Ltd2021
- Core Compliance Ltd2024
All specialist construction companies in Plymouth · All trades in Plymouth · Specialist contractors across the UK
Frequently asked questions
When are Allen Welding Limited's accounts due?
Allen Welding Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Allen Welding Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Allen Welding Limited still trading?
Allen Welding 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 Allen Welding Limited do?
Allen Welding Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Allen Welding Limited?
Allen Welding Limited was incorporated on 6 August 1999, 27 years ago.
Has Allen Welding Limited won public sector contracts?
Yes. Allen Welding Limited has one contract award from public bodies on Contracts Finder and Find a Tender, most recently from AFFINITY WATER LIMITED.
What is the penalty if Allen Welding 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 Allen Welding 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.