- Companies
- Specialist contractors
- Morden
- SWL Basements Ltd
SWL Basements Ltd
- Company number
- 10256479
- Incorporated
- 29 Jun 201610 years trading
- Registered office
- Marshall House, Suite 21/25, 124 Middleton Road, Morden, SM4 6RW
- Nature of business
- Other specialised construction activities n.e.c.
SWL Basements Ltd is a 10-year-old private limited company registered in Morden, company number 10256479, one of 37 specialist construction companies in Morden. 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 SWL Basements LtdOr 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 £16K (+130.1%) on the year before, to £29K.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £73K against £35K owed within a year: 2.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £29K | £58K | £73K | £35K | 1 |
| 30 Jun 2024 | £13K | £35K | £50K | £26K | 1 |
| 30 Jun 2023 | £1,480 | £37K | £35K | 1 | |
| 30 Jun 2022 | £1,480 | £37K | £18K | 1 | |
| 30 Jun 2021 | £1,480 | £37K | £37K | £18K | 1 |
| 30 Jun 2020 | £1,480 | £37K | £37K | £18K | 2 |
| 30 Jun 2019 | -£18K | £9,640 | £12K | £30K | 5 |
| 30 Jun 2018 | -£6,226 | £1,889 | £6,125 | £12K | 6 |
| 30 Jun 2017 | £3,084 | £7,592 | £4,508 |
Where SWL Basements Ltd is registered
The registered office is in Morden (SM4), in the Merton local authority area, London. Show SM4 6RW on a map.
Other trade companies in SM4
- Penta Projects LtdFinishing trades
- Vip Autos London LtdMotor traders
- Apx Mobile Mechanics LimitedMechanics and garages
- Global Autos London LtdMotor traders
- Prana Projects LimitedBuilders
- Londons Build UK LtdBuilders
- Hilal Al Emarate Building Cont. and BLDG. Materials TRDG. LtdBuilders
- Parixon LtdElectricians
Shared registered office
92 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if SWL Basements 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 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
- 10256479
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 June 2016 (10 years ago)
- Registered office
- Marshall House, Suite 21/25, 124 Middleton Road, Morden, SM4 6RW
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 12 July 2026
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 Morden
Other active specialist construction companies registered in Morden.
- Toniko Ltd2018
- Tuspec Limited2014
- Tyson Ceilings and Partitions Ltd2010
- Vi Household Solutions Ltd2018
- Vista Alliance Limited2026
- Amcl Services Ltd2016
- Atlantic Pools & Fountains UK Ltd2024
- Best Maintenance Ltd2016
All specialist construction companies in Morden · All trades in Morden · Specialist contractors across the UK
Frequently asked questions
When are SWL Basements Ltd's accounts due?
SWL Basements Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is SWL Basements Ltd'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 SWL Basements Ltd still trading?
SWL Basements 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 SWL Basements Ltd do?
SWL Basements Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is SWL Basements Ltd?
SWL Basements Ltd was incorporated on 29 June 2016, 10 years ago.
What is the penalty if SWL Basements 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 SWL Basements 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.