- Companies
- Plasterers
- London
- London Sash Windows & Doors Ltd
London Sash Windows & Doors Ltd
- Company number
- 10832389
- Incorporated
- 23 Jun 20179 years trading
- Registered office
- 3 Wedmore Street, London, N19 4RU
- Nature of business
- Plastering; Joinery installation; Glazing; Other building completion and finishing
London Sash Windows & Doors Ltd is a 9-year-old private limited company registered in London, company number 10832389, one of 485 plastering companies in London. 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.
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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 £23K (-17%) on the year before, to £111K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £143K against £207K owed within a year: 0.7 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £111K | £57K | £143K | £207K | 5 |
| 30 Jun 2024 | £134K | £98K | £178K | £195K | 5 |
| 30 Jun 2023 | £35K | £87K | £157K | £193K | 5 |
| 30 Jun 2022 | £6,177 | £116K | £134K | £131K | 4 |
| 30 Jun 2021 | £1,189 | £64K | £97K | £83K | 4 |
| 30 Jun 2020 | £3,674 | £90K | £104K | £64K | 5 |
| 30 Jun 2019 | £1,598 | £38K | £40K | £40K | 3 |
| 30 Jun 2018 | £100 | £100 |
Where London Sash Windows & Doors Ltd is registered
The registered office is in London (N19), in the Islington local authority area, London. Show N19 4RU on a map.
Other trade companies in N19
- DR Pro Services LtdCleaning companies
- Rams Property Services LtdSpecialist contractors
- Lushi Plumbing and Heating LtdPlumbers and heating engineers
- One Fix Gutter Solutions LtdRoofers
- Mmway Construction LtdSpecialist contractors
- Elio's Landscaping Ltd LtdBuilders
- Novix Smart Wash LtdMachinery repair and installation
- Alex Maintenance LtdPainters and decorators
Also registered at this address
5 other companies use the same registered office as London Sash Windows & Doors Ltd.
- D&G Construction & Electrical LimitedBuilders
- Fab Mechanical LtdInstallers
- The Conservation Sash Window Company LtdFacilities management
- The London and Essex Door Company LtdInstallers
- Victory Construction Cost Consultants LtdSpecialist contractors
What happens if London Sash Windows & Doors 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
- 10832389
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 June 2017 (9 years ago)
- Registered office
- 3 Wedmore Street, London, N19 4RU
- Nature of business
- Plastering (SIC 43310)
Joinery installation (SIC 43320)
Glazing (SIC 43342)
Other building completion and finishing (SIC 43390) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 21 April 2026
Filing notes for plastering companies
Plastering companies are usually small, labour-based businesses. Director pay is often a mix of salary and dividends, which only works if the company has profits to pay dividends from.
Similar companies in London
Other active plastering companies registered in London.
- Lowes Plastering Services Ltd2020
- LSH Property Services Ltd2018
- Luka Decor Ltd2025
- Luna Renewables SW Ltd2026
- M & C Builders (London) Limited2019
- M & N Building Ltd2020
- M D Call Limited2011
- M Plast-Construction Ltd2013
All plastering companies in London · All trades in London · Plasterers across the UK
Frequently asked questions
When are London Sash Windows & Doors Ltd's accounts due?
London Sash Windows & Doors 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 London Sash Windows & Doors 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 London Sash Windows & Doors Ltd still trading?
London Sash Windows & Doors 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 London Sash Windows & Doors Ltd do?
London Sash Windows & Doors Ltd is registered under Plastering (SIC 43310); Joinery installation (SIC 43320); Glazing (SIC 43342); Other building completion and finishing (SIC 43390).
How old is London Sash Windows & Doors Ltd?
London Sash Windows & Doors Ltd was incorporated on 23 June 2017, 9 years ago.
What is the penalty if London Sash Windows & Doors 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 London Sash Windows & Doors 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.