- Companies
- Installers
- Blackburn
- CDG Security Systems Ltd
CDG Security Systems Ltd
- Company number
- 08233389
- Incorporated
- 28 Sep 201214 years trading
- Registered office
- Suite 27, Barnfield House, Accrington Road, Blackburn, Lancs, BB1 3NY
- Nature of business
- Other construction installation
CDG Security Systems Ltd is a 14-year-old private limited company registered in Blackburn, company number 08233389, one of 45 installation companies (insulation, lifts, shutters and similar) in Blackburn. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 (-60.4%) on the year before, to £7,325.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £3,215 against £21K owed within a year: 0.2 times cover.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Aug 2025 | £7,325 | £3,215 | £21K | 1 | |
| 31 Aug 2024 | £18K | £5,998 | £24K | 1 | |
| 31 Aug 2023 | £21K | £602 | £22K | 1 | |
| 31 Aug 2022 | £22K | £74 | £22K | 1 | |
| 31 Aug 2021 | £13K | £249 | £13K | 1 | |
| 31 Aug 2020 | £18K | £492 | £18K | 1 | |
| 31 Aug 2019 | £13K | £2,290 | £15K | ||
| 31 Aug 2018 | £798 | £8,444 | £7,646 | ||
| 31 Aug 2017 | -£787 | £108 | £895 | ||
| 31 Aug 2016 | £652 | £1,707 | £11K | £10K |
Where CDG Security Systems Ltd is registered
The registered office is in Blackburn (BB1), in the Blackburn with Darwen local authority area, North West. Show BB1 3NY on a map.
Other trade companies in BB1
- Home Electrical Services NW LtdElectricians
- NC Capital Holdings LtdProperty developers
- McKay Energy Solutions LtdBuilders
- S & A Auto Repairs LtdMotor traders
- E Builders LimitedBuilders
- Mat Tinker Refinishing LtdPainters and decorators
- Rapidel LtdBuilders
- Karange Developments LimitedProperty developers
Also registered at this address
24 other companies use the same registered office as CDG Security Systems Ltd.
- A 1 Consulting Engineers LimitedCivil engineering
- Apex Building LtdFinishing trades
- CJ Hyde LtdFinishing trades
- Clean Envy LimitedCleaning companies
- Clovelly Builders LimitedFinishing trades
- Clydesdale (Lancs) Motors LtdMotor traders
- Cooper Plumbing & Heating (N.W) LtdPlumbers and heating engineers
- Coulthard Construction LimitedProperty developers
- Ellis Construction Company(Swinton)LimitedBuilders
- KF6 LimitedMotor traders
- Mill Street MOT Centre LimitedMechanics and garages
- N R Plastering LimitedPlasterers
- Noteacre LimitedProperty developers
- NW Fencing LtdInstallers
- Pennine Automotive LtdMotor traders
- Piper Horseboxes LimitedMotor traders
- PW Motors Autos and Logistics LimitedMechanics and garages
- Raptor Rainwater Systems LtdPainters and decorators
- RMS Recovery LtdMechanics and garages
- Roberts and Sumner (Upholstery) LimitedRepair services
- S P McCullagh LimitedRepair services
- Shaun Devine LimitedBuilders
- Simply Damp Proofing LimitedPlasterers
- Veritas Electrical LimitedElectricians
What happens if CDG Security Systems 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 08233389
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 September 2012 (14 years ago)
- Registered office
- Suite 27, Barnfield House, Accrington Road, Blackburn, Lancs, BB1 3NY
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 8 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 Blackburn
Other active installation companies (insulation, lifts, shutters and similar) registered in Blackburn.
- Collinge & Co Construction Limited2020
- Complete Underfloor Heating Limited2022
- Drivesafe Security UK Ltd2026
- Eazyloft Ltd2026
- Four Tek Limited2020
- Get A Greener Home Ltd2024
- Home Smart Insulation Limited2025
- Homefix Glazing Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Blackburn · All trades in Blackburn · Installers across the UK
Frequently asked questions
When are CDG Security Systems Ltd's accounts due?
CDG Security Systems Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is CDG Security Systems Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is CDG Security Systems Ltd still trading?
CDG Security Systems 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 CDG Security Systems Ltd do?
CDG Security Systems Ltd is registered under Other construction installation (SIC 43290).
How old is CDG Security Systems Ltd?
CDG Security Systems Ltd was incorporated on 28 September 2012, 14 years ago.
What is the penalty if CDG Security Systems 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 CDG Security Systems 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.