6 Summer Street, Slip End, Luton, LU1 4BN Data via plota.co.uk
CB/25/03796/FULL - Full Application
Approved
Proposal
Single storey rear extension to replace existing lean-to Data via plota.co.uk
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View original council record ↗Last checked
Application progress
✓
Received
28 Nov 2025
✓
Validated
1 Dec 2025
✓
Approved
5 Feb 2026
Approved on 5 Feb 2026 · Last checked 18 Oct 2026
Site constraints 5
National infrastructure project about 291 m away: M1 Junction 10a Grade Separation - Luton
The site is about 291 m from the project boundary. Highway, decided. The project page says whether consent was granted. Also within 2 km: London Luton Airport Expansion (decided, about 339 m).
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Also on the record
Radon affected area, class 2; Inside the Slip End built-up area; Green belt about 88 m away: London; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site
Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 7
Last sold for £330,000 in December 2025. Terraced house, freehold.
4 December 2025£330,000
10 August 2022£335,000
28 March 2013£237,000
23 October 2009£185,000
10 September 2003£180,000
5 April 2001£131,000
4 April 1996£59,000
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
Floor area78 m² (840 sq ft)
Energy ratingE (52 out of 100), could reach C
PropertyEnd-terrace house, 4 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)
From the energy performance certificate lodged in April 2021, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
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Important details
- Council
- Central Bedfordshire
- Application type
- Full Application
- Postcode
- LU1 4BN
- Received
- 28 Nov 2025
- Validated
- 1 Dec 2025
- Parish
- Slip End
- Case officer
- Show
- Target decision
- 26 Jan 2026
- Decision
- Full Application - Granted Conditions or Reasons: View Conditions or Reasons Informative Notes: 1 )Reasons for Granting: The application site is a two-storey, end of terrace dwelling located on Summer Street in Slip End, Luton. The surrounding area is characterised by terrace housing of similar age and design with various rear extensions within the vicinity of the application site. The proposal consists of the replacement of an existing single storey rear lean-to extension, with new single storey rear extension. This proposal would have a depth of 3.3 metres at its deepest point, a width of 1.85 metres, a height to the eaves of 2.2 metres and a maximum pitched roof height of some 2.9 metres. The overall footprint of the property would be retained. The proposal would be located to the rear of the property where it is not visible in the street scene, and would sit fully within the footprint of the existing rear lean-to extension.�In terms of scale, the proposed extension is approximately 0.4 metres taller than the current rear projection, however, would remain in proportion to the rear elevation as a subservient addition and would not dominate the plot. The proposal seeks to change the roof from a lean-to structure to a mono-pitched roof, in keeping with the rear elevations of surrounding properties. The extension would be constructed of aluminum framed glazing, although this is not continuo's with the existing materials or those of the original dwellinghouse, as a modest addition it would not be considered to result in harm to the character and appearance of the area. In regards to impact on neighbouring properties, the most impacted dwellings are considered to be No.4 and No.8 Summer Street. No.8 has an existing rear extension which protrudes further than that of the proposal, this relationship ensures that there will be no impact to the residential amenity of the adjacent property. No.4 is separated from the development by at least 1 metre and is further screened from the proposal due to the built form of the original dwelling. Therefore, it is not considered that the single storey rear extension, due to the scale and design of the proposal, would result in any loss of privacy, loss of light or overbearing impact to this neighbour.�All other neighbouring dwellings are sufficiently separated and/ or screened from the proposal as to where they would not be detrimentally impacted. The proposal would not adversely affect the existing parking or access arrangements at the application site and would therefore be acceptable on a like-for-like basis. Neighbouring properties have been consulted on the application and no comments have been received. Leighton Buzzard Town Council was consulted and have raised no objection. As the site is present within the Chilterns Beechwoods SAC, Natural England were consulted but have raised no comments. Therefore, it is considered that the proposal would be in accordance with Policies HQ1, and T3 of the Adopted Central Bedfordshire Local Plan (2021), the Adopted Central Bedfordshire Design Guide (August 2023), the Parking Standards for New Development SPD (August 2023) and Section 12 of the NPPF (2023).Reasons for Granting: The application site is a two-storey, end of terrace dwelling located on Summer Street in Slip End, Luton. The surrounding area is characterised by terrace housing of similar age and design with various rear extensions within the vicinity of the application site. The proposal consists of the replacement of an existing single storey rear lean-to extension, with new single storey rear extension. This proposal would have a depth of 3.3 metres at its deepest point, a width of 1.85 metres, a height to the eaves of 2.2 metres and a maximum pitched roof height of some 2.9 metres. The overall footprint of the property would be retained. The proposal would be located to the rear of the property where it is not visible in the street scene, and would sit fully within the footprint of the existing rear lean-to extension.�In terms of scale, the proposed extension is approximately 0.4 metres taller than the current rear projection, however, would remain in proportion to the rear elevation as a subservient addition and would not dominate the plot. The proposal seeks to change the roof from a lean-to structure to a mono-pitched roof, in keeping with the rear elevations of surrounding properties. The extension would be constructed of aluminum framed glazing, although this is not continuo's with the existing materials or those of the original dwellinghouse, as a modest addition it would not be considered to result in harm to the character and appearance of the area. In regards to impact on neighbouring properties, the most impacted dwellings are considered to be No.4 and No.8 Summer Street. No.8 has an existing rear extension which protrudes further than that of the proposal, this relationship ensures that there will be no impact to the residential amenity of the adjacent property. No.4 is separated from the development by at least 1 metre and is further screened from the proposal due to the built form of the original dwelling. Therefore, it is not considered that the single storey rear extension, due to the scale and design of the proposal, would result in any loss of privacy, loss of light or overbearing impact to this neighbour.�All other neighbouring dwellings are sufficiently separated and/ or screened from the proposal as to where they would not be detrimentally impacted. The proposal would not adversely affect the existing parking or access arrangements at the application site and would therefore be acceptable on a like-for-like basis. Neighbouring properties have been consulted on the application and no comments have been received. Leighton Buzzard Town Council was consulted and have raised no objection. As the site is present within the Chilterns Beechwoods SAC, Natural England were consulted but have raised no comments. Therefore, it is considered that the proposal would be in accordance with Policies HQ1, and T3 of the Adopted Central Bedfordshire Local Plan (2021), the Adopted Central Bedfordshire Design Guide (August 2023), the Parking Standards for New Development SPD (August 2023) and Section 12 of the NPPF (2023). 2 )The site is located within the Chilterns Beechwoods Special Area of Conservation (SAC). Natural England have not provided any comments on this application, however, as no additional independent overnight accommodation is proposed, the proposal is not considered to have a detrimental impact upon the SAC.The site is located within the Chilterns Beechwoods Special Area of Conservation (SAC). Natural England have not provided any comments on this application, however, as no additional independent overnight accommodation is proposed, the proposal is not considered to have a detrimental impact upon the SAC. 3 )GDP Policy Informative Central Beds Local Plan In accordance with Article 35 (1) of the Town and Country Planning (Development Management Procedure) (England) Order 2015, the reason for any condition above relates to the Policies as referred to in the Central Bedfordshire Local Plan and the National Planning Policy Framework (NPPF).GDP Policy Informative Central Beds Local Plan In accordance with Article 35 (1) of the Town and Country Planning (Development Management Procedure) (England) Order 2015, the reason for any condition above relates to the Policies as referred to in the Central Bedfordshire Local Plan and the National Planning Policy Framework (NPPF). 4 )Based on information submitted there are no known issues raised in the context of Human Rights / The Equalities Act 2010 and as such there would be no relevant implications.Based on information submitted there are no known issues raised in the context of Human Rights / The Equalities Act 2010 and as such there would be no relevant implications. 5 )This permission relates only to that required under the Town & Country Planning Acts and does not include any consent or approval under any other enactment or under the Building Regulations. Any other consent or approval which is necessary must be obtained from the appropriate authority.This permission relates only to that required under the Town & Country Planning Acts and does not include any consent or approval under any other enactment or under the Building Regulations. Any other consent or approval which is necessary must be obtained from the appropriate authority. 6 )Will a new extension affect your Council Tax Charge? The rate of Council Tax you pay depends on which valuation band your home is placed in. This is determined by the market value of your home as at 1 April 1991. Your property's Council Tax band may change if the property is extended.� The Council Tax band will only change when a relevant transaction takes place. For example, if you sell your property after extending it, the new owner may have to pay a higher band of Council Tax. If however you add an annexe to your property, the Valuation Office Agency may decide that the annexe should be banded separately for Council Tax.� If this happens, you will have to start paying Council Tax for the annexe as soon as it is completed. If the annexe is occupied by a relative of the residents of the main dwelling, it may qualify for a Council Tax discount or exemption.� Contact the Council for advice on 0300 300 8306. The website link is: https://www.centralbedfordshire.gov.uk/council-tax-bandsWill a new extension affect your Council Tax Charge? The rate of Council Tax you pay depends on which valuation band your home is placed in. This is determined by the market value of your home as at 1 April 1991. Your property's Council Tax band may change if the property is extended.� The Council Tax band will only change when a relevant transaction takes place. For example, if you sell your property after extending it, the new owner may have to pay a higher band of Council Tax. If however you add an annexe to your property, the Valuation Office Agency may decide that the annexe should be banded separately for Council Tax.� If this happens, you will have to start paying Council Tax for the annexe as soon as it is completed. If the annexe is occupied by a relative of the residents of the main dwelling, it may qualify for a Council Tax discount or exemption.� Contact the Council for advice on 0300 300 8306. The website link is: https://www.centralbedfordshire.gov.uk/council-tax-bands
- Decision date
- 5 Feb 2026
- Agent
- Show
How this decision compares
Decided in 66 days from validation, 12 days slower than Central Bedfordshire's median of 54 for extensions. Approved, as 90% of extensions here are.
This one66d
Council54d
UK55d
77%decided within 8 weeks
90%approved
100%go to committee
Plota live figures for extensions decided by Central Bedfordshire in the last twelve months, from validation. Central Bedfordshire decision record →
Public comments
No public comments yet.
Last counted 18 Oct 2026
Consultation & key dates
- Consultation
- 1 Dec 2025
- Comments by
- 5 Feb 2026
- Site or press notice
- 21 Dec 2025
Historical activity at this location
11 nearby applications on record - archival context, not part of the live application.
Within ~100m
Nearby activity
2024
Withdrawn
2 Summer Street, Slip End, Luton, LU1 4BN
Alterations to existing storage unit to be replaced with a two storey dwelling, extension…
2023
Approved
2 Summer Street, Slip End, Luton, LU1 4BN
Lawful Development Certificate Proposed: Proposed Conversion of Garage
2022
Approved
10 Summer Street, Slip End, Luton, LU1 4BN
Non-material amendment to planning permission CB/21/02405/FULL -Single storey side extens…
2021
Approved
12 Summer Street, Slip End, Luton, LU1 4BN
Single storey rear extension
2021
Approved
12 Summer Street, Slip End, Luton, LU1 4BN
Lawful Development Certificate Proposed: Conversion of loft space to a bedroom
2021
Approved
10 Summer Street, Slip End, Luton, LU1 4BN
Lawful Development Certificate Proposed: Loft Conversion to Bedroom and En Suite
2021
Approved
10 Summer Street, Slip End, Luton, LU1 4BN
Single storey side extension
2020
Approved
37 Summer Street, Slip End, Luton, LU1 4BL
Rear extension, garage and conservatory conversion.
2018
Approved
35 Summer Street, Slip End, Luton, LU1 4BL
Two storey rear extension
2016
Approved
9 Summer Street, Slip End, Luton, LU1 4BL
Ground floor rear extension, garage conversion and replacement roof over garage
2016
Approved
73 Summer Street, Slip End, Luton, LU1 4BL
First floor extension and internal alterations
Central Bedfordshire
Planning Authority Score
6.3/10
Average
#88 of 296 councils
Relevant to this application:
Householder decisions
Central Bedfordshire is faster than most councils at deciding householder applications, ranking #62 out of 296. Householder applications are slightly more likely to be approved here (91%) than the national average (90%).
Faster than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application.
View full council performance
Central Bedfordshire decision statistics
Based on MHCLG data, the year to March 2026
84%
Overall approval rate
Below avg (87%) #218 of 296
91%
Householder approved
Above avg (90%) #169 of 296
76%
Decided in 8 weeks
Above avg (63%) #62 of 296
35%
Extended time limit
Below avg (41%) #99 of 296
61%
Minor dwellings approved
153 decided (1-9 homes)
86%
Major dwellings approved
29 decided (10+ homes)
73%
Change of use approved
45 decided
1,444
Total decisions
226 refused in the year to March 2026
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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