- Companies
- Property developers
- Watford
- Castlemount Estates Limited
Castlemount Estates Limited
- Company number
- 11711205
- Incorporated
- 4 Dec 20187 years trading
- Registered office
- First Floor 5 Century Court, Tolpits Lane, Watford, WD18 9PX
- Nature of business
- Development of building projects; Other letting and operating of own or leased real estate
Castlemount Estates Limited is a 7-year-old private limited company registered in Watford, company number 11711205, one of 277 property development companies in Watford. 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 down £11K (-267.6%) on the year before, to -£15K.
- Net assets rose in 2 of 6 year-on-year comparisons on record.
- Current assets of £337K against £269K owed within a year: 1.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£15K | £337K | £269K | 0 | |
| 30 Sep 2024 | -£4,155 | £344K | £266K | 0 | |
| 30 Sep 2023 | £1,059 | £350K | £266K | 0 | |
| 30 Sep 2022 | -£320 | £342K | £259K | 0 | |
| 30 Sep 2021 | -£4,902 | £155K | £259K | 0 | |
| 30 Sep 2020 | £1 | £15K | 0 | ||
| 31 Dec 2019 | £1 | £15K | 0 |
Who runs and owns Castlemount Estates Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| G*** G*** | Director | Dec 2018 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| M*** D*** | Director | Dec 2018 | Dec 2018 |
People with significant control (2)
Charges (secured borrowing)
1 of 4 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Aldermore Bank PLC | Outstanding | Feb 2022 |
| Silverstream Finance (Hampstead ) Limited | Satisfied Feb 2022 | Jun 2021 |
| Silverstream Finance ( Hampstead) Limited | Satisfied Feb 2022 | Jun 2021 |
| Silverstream Finance (Hampstead ) Limited) | Satisfied Feb 2022 | Jun 2021 |
Where Castlemount Estates Limited is registered
The registered office is in Watford (WD18), in the Three Rivers local authority area, East of England. Show WD18 9PX on a map.
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- Jeservicesgroup LtdBuilders
- RCK’S Car Wash Ltd LtdMechanics and garages
- S Buildx LtdBuilders
- CDP Mechanical Contracting LtdPlumbers and heating engineers
- Lane Commercial LtdCivil engineering
Also registered at this address
2 other companies use the same registered office as Castlemount Estates Limited.
- Bigdoor Properties LimitedProperty developers
- Rangemore LimitedProperty developers
What happens if Castlemount Estates 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
- 11711205
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 December 2018 (7 years ago)
- Registered office
- First Floor 5 Century Court, Tolpits Lane, Watford, WD18 9PX
- Nature of business
- Development of building projects (SIC 41100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 27 February 2026
- Charges (mortgages)
- 1 outstanding of 4 registered
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 Watford
Other active property development companies registered in Watford.
- Castletown (Radlett) Limited2018
- Charter Property Development Limited2013
- Chris Kelly Developments Limited2015
- Circle Trust Developments Limited2024
- Clint Reddy Limited2013
- Cloudstone Property Ltd2021
- Concept Design and Build Limited2004
- Connolly's Estates & Holdings Ltd2022
All property development companies in Watford · All trades in Watford · Property developers across the UK
Frequently asked questions
When are Castlemount Estates Limited's accounts due?
Castlemount Estates 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 Castlemount Estates 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 Castlemount Estates Limited still trading?
Castlemount Estates 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 Castlemount Estates Limited do?
Castlemount Estates Limited is registered under Development of building projects (SIC 41100); Other letting and operating of own or leased real estate (SIC 68209).
How old is Castlemount Estates Limited?
Castlemount Estates Limited was incorporated on 4 December 2018, 7 years ago.
Who runs Castlemount Estates Limited?
Castlemount Estates Limited has 1 active director, the longest-serving appointed in Dec 2018. Their names and service addresses are on the Companies House register.
Who owns Castlemount Estates Limited?
2 people or companies have significant control of Castlemount Estates Limited: an individual (can appoint and remove directors); Rangemore Limited (owns 75% or more of the shares).
What is the penalty if Castlemount Estates 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 Castlemount Estates 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.