- Company number
- 07805565
- Incorporated
- 11 Oct 201115 years trading
- Registered office
- The Square, Wrotham, Sevenoaks, Kent, TN15 7AA
- Nature of business
- Glazing
Slenderline Glass Ltd is a 15-year-old private limited company registered in Sevenoaks, company number 07805565, one of 14 glazing companies in Sevenoaks. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 £22K (-34.6%) on the year before, to £41K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £68K against £34K owed within a year: 2.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £41K | £135 | £68K | £34K | 0 |
| 31 Dec 2023 | £63K | £13K | £136K | £77K | 3 |
| 31 Dec 2022 | £137K | £60K | £192K | £56K | 3 |
| 31 Dec 2021 | £135K | £24K | £167K | £32K | 3 |
| 31 Dec 2020 | £134K | £29K | £166K | £32K | 3 |
| 31 Dec 2019 | £119K | £8,926 | £140K | £25K | 3 |
| 31 Dec 2018 | £151K | £9,857 | £164K | £21K | |
| 31 Dec 2017 | £254K | £18K | £264K | £23K | |
| 31 Dec 2016 | £352K | £134K | £377K | £25K | 3 |
| 31 Dec 2015 | £275K | £94K | £327K | £52K | 3 |
Who runs and owns Slenderline Glass Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| A*** C*** | Director | Oct 2011 |
| J*** C*** | Director | Oct 2011 |
| S*** C*** | Director | Oct 2011 |
Person with significant control
Charges (secured borrowing)
1 of 1 registered charge is outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Barclays Bank PLC | Outstanding | Feb 2017 |
Where Slenderline Glass Ltd is registered
The registered office is in Sevenoaks (TN15), in the Tonbridge and Malling local authority area, South East. Show TN15 7AA on a map.
Other trade companies in TN15
- Ecd Developments LtdProperty developers
- Youngs Developments LimitedProperty developers
- TJK Riding Farm LimitedInstallers
- GWS Automotive Solutions LtdMechanics and garages
- G.R. Regan Roofing and Solar LimitedRoofers
- Apex Tail Lifts LtdMechanics and garages
- Paddy’S Pipes Plumbing & Drainage LtdPlumbers and heating engineers
- LK Roofing Group LtdRoofers
Also registered at this address
4 other companies use the same registered office as Slenderline Glass Ltd.
- E.J. Cocker & Son LtdGlaziers
- Regency Projects LimitedPlasterers
- RLD (East Langdon) LtdBuilders
- WWP (ST Margarets) LtdBuilders
What happens if Slenderline Glass 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
- 07805565
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 October 2011 (15 years ago)
- Registered office
- The Square, Wrotham, Sevenoaks, Kent, TN15 7AA
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 5 October 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
- Previous names
- Slenderline Ltd (until 14 Dec 2011)
Filing notes for glazing companies
Glazing companies often take deposits before work starts. Deposits held at the year end are a liability, not income, until the job is done.
Similar companies in Sevenoaks
Other active glazing companies registered in Sevenoaks.
- Sre Conservatories, Windows & Doors Ltd2016
- Urban Window Company South Ltd2015
- Window Express (Bromley) Limited2001
- Window Express U.K. Ltd.2002
- Windowexpress Ltd2015
- Wise Choice Glazing Limited2016
- AÇÃO Suave Group Ltd2022
- Bespoke Window Renovations Ltd2024
All glazing companies in Sevenoaks · All trades in Sevenoaks · Glaziers across the UK
Frequently asked questions
When are Slenderline Glass Ltd's accounts due?
Slenderline Glass Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Slenderline Glass Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Slenderline Glass Ltd still trading?
Slenderline Glass 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 Slenderline Glass Ltd do?
Slenderline Glass Ltd is registered under Glazing (SIC 43342).
How old is Slenderline Glass Ltd?
Slenderline Glass Ltd was incorporated on 11 October 2011, 15 years ago.
Who runs Slenderline Glass Ltd?
Slenderline Glass Ltd has 3 active directors, the longest-serving appointed in Oct 2011. Their names and service addresses are on the Companies House register.
Who owns Slenderline Glass Ltd?
One person or company has significant control of Slenderline Glass Ltd: E J Cocker & Son Ltd (owns 75% or more of the shares).
What is the penalty if Slenderline Glass 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 Slenderline Glass 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.