- Companies
- Plumbers and heating engineers
- Kings Lynn
- Len Plain Limited
Len Plain Limited
- Company number
- 04470927
- Incorporated
- 26 Jun 200224 years trading
- Registered office
- Avn Arena Norfolk Limited, 7, North Lynn Business Village, Bergen Way,, Kings Lynn, Norfolk, PE30 2JG
- Nature of business
- Plumbing, heat and air-conditioning installation
Len Plain Limited is a 24-year-old private limited company registered in Kings Lynn, company number 04470927, one of 12 plumbing and heating companies in Kings Lynn. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Len Plain LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £3,569 (+20%) on the year before, to -£14K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£14K | £0 | £0 | £15K | 0 |
| 30 Jun 2024 | -£18K | £615 | £1,115 | £19K | 1 |
| 30 Jun 2023 | -£16K | £657 | £1,157 | £17K | 1 |
| 30 Jun 2022 | -£18K | £189 | £689 | £19K | 1 |
| 30 Jun 2021 | -£15K | £1,688 | £2,188 | £18K | 1 |
| 30 Jun 2020 | £97 | £12K | £18K | £18K | 1 |
| 30 Jun 2019 | -£394 | £299 | £1,049 | £1,611 | 1 |
| 30 Jun 2018 | -£1,144 | £875 | £2,375 | £3,744 | |
| 30 Jun 2017 | £390 | £3,517 | £3,428 | ||
| 30 Jun 2016 | £1,246 | £633 | £3,317 | £2,474 |
Where Len Plain Limited is registered
The registered office is in Kings Lynn (PE30), in the King's Lynn and West Norfolk local authority area, East of England. Show PE30 2JG on a map.
Other trade companies in PE30
- Fishers Building Services LtdBuilders
- Meadowfields Holdings LimitedBuilders
- Gotsell Plastering & Property LimitedPlasterers
- Meadowvale Holdings LimitedBuilders
- K D Motor Traders LtdMotor traders
- Squeegeeright LimitedCleaning companies
- LS Building Developments LimitedBuilders
- JC Labour LtdInstallers
Also registered at this address
5 other companies use the same registered office as Len Plain Limited.
- Abbey Boilers & Heating LtdPlumbers and heating engineers
- Coparek LimitedBuilders
- Danny Pressland LimitedProperty developers
- Norfolk Pride Developments LimitedProperty developers
- PCD Builders LtdBuilders
What happens if Len Plain 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 04470927
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 June 2002 (24 years ago)
- Registered office
- Avn Arena Norfolk Limited, 7, North Lynn Business Village, Bergen Way,, Kings Lynn, Norfolk, PE30 2JG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 1 June 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Kings Lynn
Other active plumbing and heating companies registered in Kings Lynn.
- MSB Heating & Plumbing Ltd2019
- Shaw Heat Ltd2025
- 4 Heat Limited2012
- Abbey Boilers & Heating Ltd2014
- Ahs (Norfolk) Limited2012
- Anglian Plumbing & Heating Limited2026
- B & R Plumbing and Property Maintenance Ltd2021
- D & J Plumbing & Electrical Limited2011
All plumbing and heating companies in Kings Lynn · All trades in Kings Lynn · Plumbers and heating engineers across the UK
Frequently asked questions
When are Len Plain Limited's accounts due?
Len Plain Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Len Plain Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Len Plain Limited still trading?
Len Plain 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 Len Plain Limited do?
Len Plain Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Len Plain Limited?
Len Plain Limited was incorporated on 26 June 2002, 24 years ago.
What is the penalty if Len Plain 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 Len Plain 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.