- Companies
- Installers
- Belvedere
- NJ Building Services Ltd
NJ Building Services Ltd
- Company number
- 05481302
- Incorporated
- 15 Jun 200521 years trading
- Registered office
- Crabtree, Manorway South, Belvedere, DA17 6AB
- Nature of business
- Other construction installation
NJ Building Services Ltd is a 21-year-old private limited company registered in Belvedere, company number 05481302, one of 11 installation companies (insulation, lifts, shutters and similar) in Belvedere. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 30 July 2026 is due at HMRC on 30 July 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 £21K (+1.2%) on the year before, to £1.7M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £2.8M against £2.1M owed within a year: 1.3 times cover.
- 13 employees 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 Jul 2025 | £1.7M | £0 | £2.8M | £2.1M | 13 |
| 31 Jul 2024 | £1.7M | £23K | £2.5M | £1.5M | 13 |
| 31 Jul 2023 | £1.7M | £6,859 | £2.4M | £1.5M | 11 |
| 31 Jul 2022 | £1.6M | £25K | £2M | £1.1M | 14 |
| 31 Jul 2021 | £1.6M | £99K | £854K | £306K | 9 |
| 31 Jul 2020 | £1.5M | £80K | £682K | £263K | 3 |
| 31 Jul 2019 | £1.3M | £293K | £1.2M | £304K | 4 |
| 31 Jul 2018 | £788K | £0 | £967K | £455K | 3 |
| 31 Jul 2017 | £804K | £113K | £952K | £333K | 3 |
| 31 Jul 2016 | £754K | £0 | £1.1M | £483K |
Who runs and owns NJ Building Services Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| N*** P*** | Director | Jun 2005 |
| D*** C*** | Director | Aug 2023 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| J*** V*** | Secretary | Jun 2005 | Jul 2014 |
Person with significant control
Charges (secured borrowing)
All 3 registered charges have been satisfied. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Mt Finance Limited | Satisfied Oct 2025 | May 2024 |
| Together Commercial Finance Limited | Satisfied May 2024 | Jan 2022 |
| Together Commercial Finance Limited | Satisfied May 2024 | Jan 2022 |
Public contracts won
NJ Building Services Ltd has 3 public sector contract awards on record; the ones with their own published value total £1.7M, from 2024 to 2026. Source: Contracts Finder and Find a Tender award notices. 1 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- The National Archives3 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| The National Archives | Electrical Distribution Cupboards | £20K | 30 Jan 2026 |
| The National Archives | Works Contract - Gallery Refurbishment | £322K | 22 Nov 2024 |
| The National Archives | The National Archives - Window replacements, insulation upgrades and associated remedial works | £1.4M | 26 Feb 2024 |
Where NJ Building Services Ltd is registered
The registered office is in Belvedere (DA17), in the Bexley local authority area, London. Show DA17 6AB on a map.
Other trade companies in DA17
- Prefabx UK South LtdSpecialist contractors
- HS11 UK LimitedBuilders
- Aquafix Plumbing and Heating LtdPlumbers and heating engineers
- Robert Ciobanu LtdCleaning companies
- JC Truck Repairs LtdMechanics and garages
- Vishaal Global LtdCleaning companies
- Streamway Facilities Management LimitedElectricians
- Thames Wharf LtdFinishing trades
What happens if NJ Building Services 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Jul 2027 | £200 |
| 3 months late | 30 Oct 2027 | another £200 |
| 6 months late | 30 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jul 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
- 05481302
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 June 2005 (21 years ago)
- Registered office
- Crabtree, Manorway South, Belvedere, DA17 6AB
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 July (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 26 November 2025
- Charges (mortgages)
- 0 outstanding of 3 registered
- Previous names
- N & J Building Services Limited (until 12 Jan 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 Belvedere
Other active installation companies (insulation, lifts, shutters and similar) registered in Belvedere.
- RJR Construction Ltd2021
- Top Granite Marble Ltd2008
- Vytas K Ltd2023
- Airtech Insulation Services Limited2025
- Cannon Ventilation Services Ltd2025
- G P M Group Ltd2009
- GH2 Group-Facilities Ltd2017
- Ita Interiors Limited2021
All installation companies (insulation, lifts, shutters and similar) in Belvedere · All trades in Belvedere · Installers across the UK
Frequently asked questions
When are NJ Building Services Ltd's accounts due?
NJ Building Services Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 30 July 2026.
When is NJ Building Services Ltd's CT600 due?
The CT600 for the period to 30 July 2026 is due at HMRC by 30 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is NJ Building Services Ltd still trading?
NJ Building Services 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 NJ Building Services Ltd do?
NJ Building Services Ltd is registered under Other construction installation (SIC 43290).
How old is NJ Building Services Ltd?
NJ Building Services Ltd was incorporated on 15 June 2005, 21 years ago.
Who runs NJ Building Services Ltd?
NJ Building Services Ltd has 2 active directors, the longest-serving appointed in Jun 2005. Their names and service addresses are on the Companies House register.
Who owns NJ Building Services Ltd?
One person or company has significant control of NJ Building Services Ltd: an individual (owns 75% or more of the shares).
Has NJ Building Services Ltd won public sector contracts?
Yes. NJ Building Services Ltd has 3 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £1.7M), most recently from The National Archives.
What is the penalty if NJ Building Services 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 NJ Building Services 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.