- Companies
- Installers
- London
- Selcom Building Services Ltd
Selcom Building Services Ltd
- Company number
- 05978614
- Incorporated
- 25 Oct 200619 years trading
- Registered office
- 98 Brockley Rise, London, SE23 1LN
- Nature of business
- Other construction installation
Selcom Building Services Ltd is a 19-year-old private limited company registered in London, company number 05978614, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Selcom Building Services LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £249 (+57%) on the year before, to £686.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £556K against £494K owed within a year: 1.1 times cover.
- 4 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 Mar 2025 | £686 | £84K | £556K | £494K | 4 |
| 31 Mar 2024 | £437 | £78K | £375K | £336K | 4 |
| 31 Mar 2023 | £523 | £62K | £493K | £425K | 4 |
| 31 Mar 2022 | £28K | £8,534 | £427K | £274K | 5 |
| 31 Mar 2021 | £28K | £349K | £301K | 5 | |
| 31 Mar 2020 | £29K | £209K | £133K | 4 | |
| 31 Mar 2019 | £11K | £319K | £192K | 4 | |
| 31 Mar 2018 | £47K | £181K | £139K | 6 | |
| 31 Mar 2017 | £54K | £178K | £109K | ||
| 31 Mar 2016 | £30K | £73K | £163K | £135K |
Where Selcom Building Services Ltd is registered
The registered office is in London (SE23), in the Lewisham local authority area, London. Show SE23 1LN on a map.
Other trade companies in SE23
- JBM Roofing LimitedRoofers
- Momkin LtdPlumbers and heating engineers
- Finches Properties LimitedProperty developers
- Bovar Solar LtdElectricians
- Niccarpenter LtdPlasterers
- Drive UK 26 LtdBuilders
- Home Comfort Ac LtdPlumbers and heating engineers
- R&R Building and Maintenance LtdBuilders
Also registered at this address
1 other company uses the same registered office as Selcom Building Services Ltd.
- Anthemia LimitedInstallers
What happens if Selcom 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 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
- 05978614
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 October 2006 (19 years ago)
- Registered office
- 98 Brockley Rise, London, SE23 1LN
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 25 October 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.
- Sellspace Limited2026
- Sem Contracting & Consulting Ltd2018
- Senoboh Ltd2021
- Sensaglass Ltd2024
- Sensetech Solar Limited2023
- Sentinel Fire Group Ltd2026
- Sentry Post Solutions Ltd2025
- Sequoia Contracts Ltd2022
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Selcom Building Services Ltd's accounts due?
Selcom Building Services 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 Selcom Building Services 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 Selcom Building Services Ltd still trading?
Selcom 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 Selcom Building Services Ltd do?
Selcom Building Services Ltd is registered under Other construction installation (SIC 43290).
How old is Selcom Building Services Ltd?
Selcom Building Services Ltd was incorporated on 25 October 2006, 19 years ago.
What is the penalty if Selcom 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 Selcom 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.