- Companies
- Installers
- Daventry
- Watchtower Security Ltd
Watchtower Security Ltd
- Company number
- 10594642
- Incorporated
- 1 Feb 20179 years trading
- Registered office
- Bragborough Hall Business Centre, Welton Road, Daventry, Northamptonshire, NN11 7JG
- Nature of business
- Other construction installation; Security systems service activities
Watchtower Security Ltd is a 9-year-old private limited company registered in Daventry, company number 10594642, one of 13 installation companies (insulation, lifts, shutters and similar) in Daventry. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £17K (+125.4%) on the year before, to £31K.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £39K against £17K owed within a year: 2.2 times cover.
- 2 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £31K | £39K | £17K | 2 | |
| 31 Mar 2024 | £14K | £36K | £35K | 2 | |
| 31 Mar 2023 | £8,874 | £53K | £47K | 2 | |
| 31 Mar 2022 | £395 | £55K | £59K | 3 | |
| 31 Mar 2021 | £1,874 | £33K | £39K | 3 | |
| 31 Mar 2020 | £215 | £10K | £21K | 4 | |
| 31 Mar 2019 | £2,122 | £22K | £25K | ||
| 28 Feb 2018 | £18K | £21K | £11K |
Where Watchtower Security Ltd is registered
The registered office is in Daventry (NN11), in the West Northamptonshire local authority area, East Midlands. Show NN11 7JG on a map.
Other trade companies in NN11
- Propertyk Consulting LtdBuilders
- Atmyd LtdBuilders
- DBL Gas & Oil LtdPlumbers and heating engineers
- Instant Fix Plumbing LtdPlumbers and heating engineers
- Myzlyf Group of Companies LtdBuilders
- Ljt's Cleaning & Companionship LtdCleaning companies
- Roadside Autocare Solutions LtdMechanics and garages
- Drivefix Mobile Mechanics LtdMechanics and garages
Also registered at this address
11 other companies use the same registered office as Watchtower Security Ltd.
- Aab Aviation LtdMachinery repair and installation
- Carisbrooke Construction LimitedCivil engineering
- Cox Scaffolding LtdScaffolders
- Des Property Maintenance LtdFinishing trades
- Fab Capital LtdProperty developers
- Forti's Tiling LtdFloor and wall tilers
- Grafield Construction LtdBuilders
- JP Watters Electrical LtdElectricians
- New World Material Handling Ltd.Machinery repair and installation
- North Kent Glazing Services LtdGlaziers
- Swain Building & Maintenance LtdBuilders
What happens if Watchtower Security 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
- 10594642
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 February 2017 (9 years ago)
- Registered office
- Bragborough Hall Business Centre, Welton Road, Daventry, Northamptonshire, NN11 7JG
- Nature of business
- Other construction installation (SIC 43290)
Security systems service activities (SIC 80200) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 29 January 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Daventry
Other active installation companies (insulation, lifts, shutters and similar) registered in Daventry.
- A & P Resin Limited2025
- Astute Engineering Ltd2025
- Brik Renewables Ltd2025
- Building Apm Ltd2020
- Cva Brick Building Ltd2022
- Eme Smart Light Protection Ltd2017
- Groundcore Limited2016
- JH Interiors (Midlands) Limited2024
All installation companies (insulation, lifts, shutters and similar) in Daventry · All trades in Daventry · Installers across the UK
Frequently asked questions
When are Watchtower Security Ltd's accounts due?
Watchtower Security Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Watchtower Security Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Watchtower Security Ltd still trading?
Watchtower Security 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 Watchtower Security Ltd do?
Watchtower Security Ltd is registered under Other construction installation (SIC 43290); Security systems service activities (SIC 80200).
How old is Watchtower Security Ltd?
Watchtower Security Ltd was incorporated on 1 February 2017, 9 years ago.
What is the penalty if Watchtower Security 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 Watchtower Security 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.