- Companies
- Joiners and carpenters
- Coulsdon
- NNB Service Ltd
NNB Service Ltd
- Company number
- 15731412
- Incorporated
- 20 May 20242 years trading
- Registered office
- 6 Woodlands Grove, Coulsdon, Surrey, CR5 3AJ
- Nature of business
- Joinery installation; Other building completion and finishing
NNB Service Ltd is a 2-year-old private limited company registered in Coulsdon, company number 15731412, one of the UK's joinery companies. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 May 2025, as filed at Companies House.
Where NNB Service Ltd is registered
The registered office is in Coulsdon (CR5), in the Croydon local authority area, London. Show CR5 3AJ on a map.
Other trade companies in CR5
- Rowson Electrical LtdElectricians
- Hodges Building and Landscaping LtdBuilders
- Alliance Air Conditioning LtdPlumbers and heating engineers
- HTP Construction LtdBuilders
- Apex International Construction LimitedBuilders
- Luxe Services LtdFinishing trades
- Premier Climate LtdPlumbers and heating engineers
- Jigsaw Builds LtdBuilders
Also registered at this address
1 other company uses the same registered office as NNB Service Ltd.
- Kii LtdFinishing trades
What happens if NNB Service 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 15731412
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 May 2024 (2 years ago)
- Registered office
- 6 Woodlands Grove, Coulsdon, Surrey, CR5 3AJ
- Nature of business
- Joinery installation (SIC 43320)
Other building completion and finishing (SIC 43390) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 19 May 2026
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in Coulsdon
Other active joinery companies registered in Coulsdon.
- Primarily Wood Limited2003
- South London & Surrey Fencing Ltd2025
- Fortress Roofing and Building Ltd2026
All joinery companies in Coulsdon · All trades in Coulsdon · Joiners and carpenters across the UK
Frequently asked questions
When are NNB Service Ltd's accounts due?
NNB Service Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is NNB Service Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is NNB Service Ltd still trading?
NNB Service 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 NNB Service Ltd do?
NNB Service Ltd is registered under Joinery installation (SIC 43320); Other building completion and finishing (SIC 43390).
How old is NNB Service Ltd?
NNB Service Ltd was incorporated on 20 May 2024, 2 years ago.
What is the penalty if NNB Service 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 NNB Service 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.