- Companies
- Joiners and carpenters
- Waltham Abbey
- Landmark Window Co. Ltd
Landmark Window Co. Ltd
- Company number
- 04790778
- Incorporated
- 6 Jun 200323 years trading
- Registered office
- Charles House, 46 Station Road, Waltham Abbey, EN9 1FP
- Nature of business
- Joinery installation
Landmark Window Co. Ltd is a 23-year-old private limited company registered in Waltham Abbey, company number 04790778, one of 13 joinery companies in Waltham Abbey. 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 £140K (-16.3%) on the year before, to £719K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £275K against £63K owed within a year: 4.4 times cover.
- 11 employees on average, up from 9 the year before.
- 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 | £719K | £121K | £275K | £63K | 11 |
| 30 Jun 2024 | £859K | £612K | £714K | £337K | 9 |
| 30 Jun 2023 | £850K | £624K | £768K | £395K | 11 |
| 30 Jun 2022 | £599K | £247K | £387K | £280K | 9 |
| 30 Jun 2021 | £511K | £197K | £329K | £289K | 8 |
| 30 Jun 2020 | £328K | £121K | £216K | £328K | 7 |
| 30 Jun 2019 | £230K | £5,234 | £81K | £219K | 5 |
| 30 Jun 2018 | £135K | £22K | £110K | £198K | 4 |
| 30 Jun 2017 | £44K | £4,712 | £92K | £254K | 3 |
| 30 Jun 2016 | £23K | £8,513 | £52K | £147K |
Where Landmark Window Co. Ltd is registered
The registered office is in Waltham Abbey (EN9), in the Broxbourne local authority area, East of England. Show EN9 1FP on a map.
Other trade companies in EN9
- HS Property Work LtdProperty developers
- Skapad LtdProperty developers
- Valens Fire Solutions LtdInstallers
- Delton Project Services (DPS) LtdGroundworks and demolition
- N.Thorpe LtdFinishing trades
- DM Rubbish Cleaning LimitedCleaning companies
- JMP Windows and Doors LimitedJoiners and carpenters
- H&Harison LimitedFinishing trades
Shared registered office
34 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 Landmark Window Co. 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
- 04790778
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 June 2003 (23 years ago)
- Registered office
- Charles House, 46 Station Road, Waltham Abbey, EN9 1FP
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 6 June 2026
- Previous names
- Sundeck Properties Limited (until 15 Jan 2008)
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in Waltham Abbey
Other active joinery companies registered in Waltham Abbey.
- Lion Garage Doors Ltd2026
- Robertson Carpentry Ltd2022
- Scott Burns Limited2004
- Steve Smith Joinery Limited2026
- Streets Ahead Property Management Limited2017
- UK Sash Windows Limited2024
- BM London Luxe Builds Ltd2025
- Cani Construction Ltd2018
All joinery companies in Waltham Abbey · All trades in Waltham Abbey · Joiners and carpenters across the UK
Frequently asked questions
When are Landmark Window Co. Ltd's accounts due?
Landmark Window Co. 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 Landmark Window Co. 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 Landmark Window Co. Ltd still trading?
Landmark Window Co. 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 Landmark Window Co. Ltd do?
Landmark Window Co. Ltd is registered under Joinery installation (SIC 43320).
How old is Landmark Window Co. Ltd?
Landmark Window Co. Ltd was incorporated on 6 June 2003, 23 years ago.
What is the penalty if Landmark Window Co. 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 Landmark Window Co. 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.