- Companies
- Installers
- London
- CNR Construction Services Limited
CNR Construction Services Limited
- Company number
- 06739000
- Incorporated
- 3 Nov 200817 years trading
- Registered office
- 7 Granard Business Centre Bunns Lane, Mill Hill, London, NW7 2DQ
- Nature of business
- Other construction installation
CNR Construction Services Limited is a 17-year-old private limited company registered in London, company number 06739000, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £27K (-3.8%) on the year before, to £685K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £551K against £52K owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Nov 2025 | £685K | £551K | £52K | 0 | |
| 30 Nov 2024 | £711K | £631K | £100K | 4 | |
| 30 Nov 2023 | £656K | £508K | £33K | 4 | |
| 30 Nov 2022 | £658K | £618K | £135K | 3 | |
| 30 Nov 2021 | £292K | £347K | £55K | 3 | |
| 30 Nov 2020 | £205K | £304K | £99K | 2 | |
| 30 Nov 2019 | £41K | £69K | £30K | ||
| 30 Nov 2018 | £15K | £32K | £22K | ||
| 30 Nov 2017 | £21K | £28K | £13K | ||
| 30 Nov 2016 | £22K | £34K | £46K | £32K |
Where CNR Construction Services Limited is registered
The registered office is in London (NW7), in the Barnet local authority area, London. Show NW7 2DQ on a map.
Other trade companies in NW7
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- Highmark Construction LimitedSpecialist contractors
- Maysa Construction Group LtdBuilders
- Eveluna LtdBuilders
- JG Property Cleaning LtdCleaning companies
- Sil Builder LimitedSpecialist contractors
- MBL Building LtdBuilders
- Emergency Cleaning 24/7 LtdCleaning companies
Also registered at this address
7 other companies use the same registered office as CNR Construction Services Limited.
- Acorn Build Company LimitedProperty developers
- Astra Build LimitedProperty developers
- Epc Upgrade LimitedSpecialist contractors
- Heating and Air Conditioning LtdPlumbers and heating engineers
- Landring LimitedProperty developers
- Modern Composite Garden Rooms LimitedBuilders
- Nicholas Management Consultants LimitedCivil engineering
What happens if CNR Construction Services 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 06739000
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 November 2008 (17 years ago)
- Registered office
- 7 Granard Business Centre Bunns Lane, Mill Hill, London, NW7 2DQ
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 4 November 2025
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 London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- CNR Lift Ltd2026
- Coastalprime Ltd2013
- Code Weld Fabrication Ltd2023
- Coins Limited2026
- Coldharbour Industries Ltd2018
- Collection of Pablos Arts Ltd2025
- Comfyseal Ltd2025
- Commercial Solar UK Limited2025
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are CNR Construction Services Limited's accounts due?
CNR Construction Services Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is CNR Construction Services Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is CNR Construction Services Limited still trading?
CNR Construction Services 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 CNR Construction Services Limited do?
CNR Construction Services Limited is registered under Other construction installation (SIC 43290).
How old is CNR Construction Services Limited?
CNR Construction Services Limited was incorporated on 3 November 2008, 17 years ago.
What is the penalty if CNR Construction Services 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 CNR Construction Services 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.