- Companies
- Civil engineering
- High Wycombe
- Robert Kirby Professional Building Services Limited
Robert Kirby Professional Building Services Limited
- Company number
- 06342468
- Incorporated
- 14 Aug 200719 years trading
- Registered office
- Meadow Cottage, Hatches Lane, High Wycombe, Buckinghamshire, HP15 6DS
- Nature of business
- Construction of other civil engineering projects n.e.c.
Robert Kirby Professional Building Services Limited is a 19-year-old private limited company registered in High Wycombe, company number 06342468, one of 31 civil engineering contractors in High Wycombe. 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 up £4,392 (+350.2%) on the year before, to £3,138.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £35K against £41K owed within a year: 0.9 times cover.
- 2 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 Aug 2025 | £3,138 | £35K | £41K | 2 | |
| 31 Aug 2024 | -£1,254 | £28K | £41K | 2 | |
| 31 Aug 2023 | £2,738 | £31K | £31K | 2 | |
| 31 Aug 2022 | £659 | £69K | £57K | 2 | |
| 31 Aug 2021 | £684 | £112K | £96K | 2 | |
| 31 Aug 2020 | £250 | £62K | £62K | 2 | |
| 31 Aug 2019 | £1,931 | £41K | £39K | ||
| 31 Aug 2018 | £977 | £32K | £32K | ||
| 31 Aug 2017 | £10K | £38K | £28K | ||
| 31 Aug 2016 | £3,109 | £45K | £98K | £95K |
Public contracts won
Robert Kirby Professional Building Services Limited has one public sector contract award on record; the ones with their own published value total £66K (2021). Source: Contracts Finder and Find a Tender award notices.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Longwick Cum Ilmer Parish Council | Village Hall Renovations | £66K | 21 Sep 2021 |
Where Robert Kirby Professional Building Services Limited is registered
The registered office is in High Wycombe (HP15), in the Buckinghamshire local authority area, South East. Show HP15 6DS on a map.
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- Jac Electrical Labour LtdElectricians
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- Bramwell & Dare LtdProperty developers
- KJ Electrical LtdElectricians
- Sircle Consultants LtdInstallers
- Firstscapes LtdLandscapers and gardeners
- Swarthmore Land LtdBuilders
What happens if Robert Kirby Professional Building 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 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
- 06342468
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 August 2007 (19 years ago)
- Registered office
- Meadow Cottage, Hatches Lane, High Wycombe, Buckinghamshire, HP15 6DS
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 5 August 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in High Wycombe
Other active civil engineering contractors registered in High Wycombe.
- Summit Solutions Ltd2021
- T&S Surveying Ltd2017
- T.R.A Engineering Ltd2017
- Taylor Utilities Ltd2023
- TLC Building Construction Ltd2026
- TM-Es Services Ltd2026
- Trinity Basshurst Electrical Ltd2015
- Turquoise Engineering Ltd2019
All civil engineering contractors in High Wycombe · All trades in High Wycombe · Civil engineering across the UK
Frequently asked questions
When are Robert Kirby Professional Building Services Limited's accounts due?
Robert Kirby Professional Building Services Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Robert Kirby Professional Building Services Limited'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 Robert Kirby Professional Building Services Limited still trading?
Robert Kirby Professional Building 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 Robert Kirby Professional Building Services Limited do?
Robert Kirby Professional Building Services Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Robert Kirby Professional Building Services Limited?
Robert Kirby Professional Building Services Limited was incorporated on 14 August 2007, 19 years ago.
Has Robert Kirby Professional Building Services Limited won public sector contracts?
Yes. Robert Kirby Professional Building Services Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £66K), most recently from LONGWICK CUM ILMER PARISH COUNCIL.
What is the penalty if Robert Kirby Professional Building 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 Robert Kirby Professional Building 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.