- Companies
- Property developers
- London
- Letterglass Limited
Letterglass Limited
- Company number
- 05921581
- Incorporated
- 1 Sep 200620 years trading
- Registered office
- C/O TC Group 6TH Floor Kings House, 9-10 Haymarket, London, SW1Y 4BP
- Nature of business
- Development of building projects
Letterglass Limited is a 20-year-old private limited company registered in London, company number 05921581, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 up £1,043 (+3.4%) on the year before, to £32K.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £41K against £9,186 owed within a year: 4.4 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 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £32K | £9,105 | £41K | £9,186 | 0 |
| 30 Sep 2024 | £30K | £3,155 | £45K | £14K | 3 |
| 30 Sep 2023 | £32K | £2,387 | £37K | £4,784 | 3 |
| 30 Sep 2022 | £27K | £951 | £34K | £6,220 | 2 |
| 30 Sep 2021 | £25K | £9,496 | £36K | £11K | 2 |
| 30 Sep 2020 | £12K | £3,953 | £20K | £9,417 | 3 |
| 30 Sep 2019 | £12K | £2,810 | £31K | £21K | |
| 30 Sep 2018 | £14K | £4,551 | £20K | £8,629 | |
| 30 Sep 2017 | £20K | £3,346 | £26K | £5,608 | |
| 30 Sep 2015 | £11K | £1,395 | £14K | £3,005 |
Where Letterglass Limited is registered
The registered office is in London (SW1Y), in the Westminster local authority area, London. Show SW1Y 4BP on a map.
Other trade companies in SW1Y
- Terrace-G Ai Infrastructure LtdProperty developers
- Stonevanta Construction LtdBuilders
- Blackstone Stay Management LtdBuilders
- Blackstone Construction Management LtdBuilders
- Star Plant Construction & Property Management LtdBuilders
- Star Plant Construction Works LtdGroundworks and demolition
- Premier Construction Works LtdGroundworks and demolition
- Premier Construction & Real Estate Management LtdBuilders
Also registered at this address
9 other companies use the same registered office as Letterglass Limited.
- Anthem Land & Developments LtdProperty developers
- Canal Management Services LimitedFacilities management
- Dorepark LimitedProperty developers
- GBM Heating, Plumbing & Gas Engineers LtdPlumbers and heating engineers
- Grajam London LimitedProperty developers
- Grajam LtdProperty developers
- Karm Holdings LtdProperty developers
- KM Facilities Management LimitedCleaning companies
- Tandem Set and Scenery LtdSpecialist contractors
What happens if Letterglass 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 05921581
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 September 2006 (20 years ago)
- Registered office
- C/O TC Group 6TH Floor Kings House, 9-10 Haymarket, London, SW1Y 4BP
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 1 September 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in London
Other active property development companies registered in London.
- Leve Developments Ltd2026
- Level (T.A.) Limited2007
- Level London Limited2023
- Level W5 Limited2007
- Levelup Projects Ltd2025
- Leverhulme Estates Limited2017
- Levmar Limited2008
- Levori Capital Ltd2026
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Letterglass Limited's accounts due?
Letterglass Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Letterglass Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Letterglass Limited still trading?
Letterglass 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 Letterglass Limited do?
Letterglass Limited is registered under Development of building projects (SIC 41100).
How old is Letterglass Limited?
Letterglass Limited was incorporated on 1 September 2006, 20 years ago.
What is the penalty if Letterglass 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 Letterglass 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.