42 First Avenue, Dunstable, LU6 3AL Data via plota.co.uk
CB/26/01744/FULL - Full Application
Refused
Proposal
Single storey rear and side extension. Loft conversion with front and rear roof lights and rear balcony style roof lights Data via plota.co.uk
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View original council record ↗Last checked
Application progress
✓
Received
16 Jun 2026
✗
Refused
Appeal
Not lodged
Refused on · Last checked 12 Sept 2026
Site constraints 1
Also on the record
Inside the Dunstable built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site
Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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.
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Other new applications on this street
Nearby new applications
1 Sept 2026Pending
179 Spoondell, Dunstable, LU6 3JX
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18 Aug 2026Pending
12-14A West Street, Dunstable, LU6 1SX
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18 Aug 2026Pending
12-14A West Street, Dunstable, LU6 1SX
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3 Aug 2026Pending
Priory House, 33 High Street South, Dunstable, LU6 3RZ
Discharge of Condition 4 against Listed Building Consent ref. CB/24/03631/LB
8 Jul 2026Approved
12 Patterdale Close, Dunstable, LU6 3DA
Removal of existing conservatory, new single storey rear and front extensions, r...
1 Jul 2026Pending
8 Icknield Street, Dunstable, LU6 3AD
Single storey rear extension with new window and bifold doors
Important details
- Council
- Central Bedfordshire
- Application type
- Full Application
- Postcode
- LU6 3AL
- Received
- 16 Jun 2026
- Validated
- 16 Jun 2026
- Parish
- Dunstable
- Case officer
- Show
- Target decision
- 11 Aug 2026
- Decision
- Full Application - Granted Conditions or Reasons: View Conditions or Reasons Informative Notes: 1 )Reasons for Granting The application site is a semi-detached two-storey dwelling located on First Avenue, Dunstable. No. 42 is constructed of brickwork with a tiled pitched roof and is surrounded by properties varying in design and scale. The proposal consists of the erection of a single-storey side and rear extension with a skylight. Also included as part of the proposal is the insertion of 2 front and 3 rear rooflights within the roof slope of the main dwelling, to facilitate a loft conversion and the replacement of the existing rooftiles. The extension would have a proposed width of approximately 9 metres, a depth of 4.8 metres and a maximum height of 3.4 metres. The extension would have a sizeable footprint of approximately 29.4 m2 but would be considered proportionate to the host dwelling due to its single-storey nature and the large plot size which results in a spacious garden being retained. The extension would be visible within the street scene of First Avenue due to the side extension being taller than the existing garage that it would be located to the rear of, however, it would not be considered to have a detrimental impact on the character and appearance of the area due to its modest size and due to it being considerably set back from the street. The rooflights would be considered minor alterations that would not have a detrimental impact on the character and appearance of the area. It has been confirmed that the new rooftiles would be similar in appearance to the existing tiles and therefore are not considered to have a detrimental impact on the character and appearance of the area. Overall, the proposed development is not considered to have a detrimental impact on the character and appearance of the area or the host dwelling in accordance with Policy HQ1 of the Central Bedfordshire Local Plan. In terms of neighbouring amenity, the extension would be set on the shared boundary with the attached property, 44 First Avenue, and would extend approximately 3.2 metres beyond the rear of this property. This property has glass doors located next to the shared boundary which the extension is likely to cause some limited loss of light to as it does not comply with the 45-degree guidance, however, this impact is not considered to be significant enough to warrant refusal solely on this basis as an extension with a similar impact on this property could be constructed under permitted development. As such, the proposed extension is not considered to have a significant detrimental impact on the residential amenities of this neighbour. The other neighbouring property, 40 First Avenue, would be well separated from the proposed extension with a separation distance of 0.8 metres to the shared boundary and 2.1 metres to the property itself and as such due to the scale the proposed extension is not considered to have a detrimental impact on the residential amenities of this neighbour. The extension includes a window on the side elevation which would face this property, however, as this is at ground floor level it is considered that it will not impact the privacy of this property. All other neighbours are sufficiently separated from the proposed extension for there to be a detrimental impact. There are no privacy concerns regarding the proposed rooflights as they would not directly look into any neighbouring properties. Overall, the proposal is considered to have an acceptable neighbour amenity impact, complying with Section 12 of the NPPF, Policy HQ1 of the Central Bedfordshire Local Plan and Section 11 of Central Bedfordshire Design Guide 2023. The proposal would not lead to any additional bedrooms or the removal of any onsite parking, therefore, sufficient off-street parking has been retained onsite. As such, the proposal is considered to be in conformity with Policies T2 and T3 of the Central Bedfordshire Local Plan. Dunstable Town Council were consulted as part of this application and raised no objection. Archaeology, Natural England and Neighbourhood Planning were all consulted as part of this application, but no comments were received. The application was subject to a public consultation, and no comments were received. The proposal is therefore considered to be in accordance with Policy HQ1 of the Central Bedfordshire Local Plan and Section 11 of Central Bedfordshire Design Guide 2023.Reasons for Granting The application site is a semi-detached two-storey dwelling located on First Avenue, Dunstable. No. 42 is constructed of brickwork with a tiled pitched roof and is surrounded by properties varying in design and scale. The proposal consists of the erection of a single-storey side and rear extension with a skylight. Also included as part of the proposal is the insertion of 2 front and 3 rear rooflights within the roof slope of the main dwelling, to facilitate a loft conversion and the replacement of the existing rooftiles. The extension would have a proposed width of approximately 9 metres, a depth of 4.8 metres and a maximum height of 3.4 metres. The extension would have a sizeable footprint of approximately 29.4 m2 but would be considered proportionate to the host dwelling due to its single-storey nature and the large plot size which results in a spacious garden being retained. The extension would be visible within the street scene of First Avenue due to the side extension being taller than the existing garage that it would be located to the rear of, however, it would not be considered to have a detrimental impact on the character and appearance of the area due to its modest size and due to it being considerably set back from the street. The rooflights would be considered minor alterations that would not have a detrimental impact on the character and appearance of the area. It has been confirmed that the new rooftiles would be similar in appearance to the existing tiles and therefore are not considered to have a detrimental impact on the character and appearance of the area. Overall, the proposed development is not considered to have a detrimental impact on the character and appearance of the area or the host dwelling in accordance with Policy HQ1 of the Central Bedfordshire Local Plan. In terms of neighbouring amenity, the extension would be set on the shared boundary with the attached property, 44 First Avenue, and would extend approximately 3.2 metres beyond the rear of this property. This property has glass doors located next to the shared boundary which the extension is likely to cause some limited loss of light to as it does not comply with the 45-degree guidance, however, this impact is not considered to be significant enough to warrant refusal solely on this basis as an extension with a similar impact on this property could be constructed under permitted development. As such, the proposed extension is not considered to have a significant detrimental impact on the residential amenities of this neighbour. The other neighbouring property, 40 First Avenue, would be well separated from the proposed extension with a separation distance of 0.8 metres to the shared boundary and 2.1 metres to the property itself and as such due to the scale the proposed extension is not considered to have a detrimental impact on the residential amenities of this neighbour. The extension includes a window on the side elevation which would face this property, however, as this is at ground floor level it is considered that it will not impact the privacy of this property. All other neighbours are sufficiently separated from the proposed extension for there to be a detrimental impact. There are no privacy concerns regarding the proposed rooflights as they would not directly look into any neighbouring properties. Overall, the proposal is considered to have an acceptable neighbour amenity impact, complying with Section 12 of the NPPF, Policy HQ1 of the Central Bedfordshire Local Plan and Section 11 of Central Bedfordshire Design Guide 2023. The proposal would not lead to any additional bedrooms or the removal of any onsite parking, therefore, sufficient off-street parking has been retained onsite. As such, the proposal is considered to be in conformity with Policies T2 and T3 of the Central Bedfordshire Local Plan. Dunstable Town Council were consulted as part of this application and raised no objection. Archaeology, Natural England and Neighbourhood Planning were all consulted as part of this application, but no comments were received. The application was subject to a public consultation, and no comments were received. The proposal is therefore considered to be in accordance with Policy HQ1 of the Central Bedfordshire Local Plan and Section 11 of Central Bedfordshire Design Guide 2023. 2 )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. 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 )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 5 )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.
- Agent
- Show
Public comments
No public comments yet.
Last counted 12 Sept 2026
Consultation & key dates
- Consultation
- 16 Jun 2026
- Comments by
- 29 Jul 2026
- Site or press notice
- 8 Jul 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Within ~100m
Nearby activity
2025
Approved
17 Osborne Road, Dunstable, LU6 3JS
Erection of a single storey rear extension, new windows, doors, and rooflights
2025
Refused
12 Ennerdale Avenue, Dunstable, LU6 3AR
Demolition of existing conservatory with rendering of external elevations, alterations to…
2025
Approved
60 First Avenue, Dunstable, LU6 3AL
Erection of a single storey side and rear extension, two storey side extension and roof a…
2024
Approved
3 Osborne Road, Dunstable, LU6 3JS
Single storey front extension
2023
Approved
2 Ennerdale Avenue, Dunstable, LU6 3AR
Render to external walls
2023
Approved
28 First Avenue, Dunstable, LU6 3AL
Lawful Development Certificate Proposed: Construction of hip to gable loft conversion wit…
2023
Approved
34 First Avenue, Dunstable, LU6 3AL
Loft conversion with rear dormer and rooflights to front elevation. Existing hipped roof…
2023
Approved
23 Ennerdale Avenue, Dunstable, LU6 3AR
Lawful Development Certifcate Proposed: Single storey rear extension
2022
Approved
2 Ennerdale Avenue, Dunstable, LU6 3AR
First floor side extension, new pitched roof over the garage to the front elevation, inte…
2022
Approved
35 First Avenue, Dunstable, LU6 3AJ
Ground floor side extension, part one and part two storey rear extension, front bay rebui…
2022
Approved
35 First Avenue, Dunstable, LU6 3AJ
Ground floor side extension, part one and part two storey rear extension, front bay windo…
2022
Approved
35 First Avenue, Dunstable, LU6 3AJ
Lawful Development Certificate Proposed: Construction of outbuilding in rear garden
2021
Approved
25 First Avenue, Dunstable, LU6 3AJ
Two storey rear extension
2021
Approved
32 First Avenue, Dunstable, LU6 3AL
Single storey rear extension
2021
Refused
32 First Avenue, Dunstable, LU6 3AL
Prior Notification of Householder Extension: Single storey rear extension
2020
Approved
64 First Avenue, Dunstable, LU6 3AL
First floor side extension
2019
Approved
27 First Avenue, Dunstable, LU6 3AJ
Part two storey, part single storey side and rear extensions, rendered walls externally…
2019
Approved
40 First Avenue, Dunstable, LU6 3AL
Retrospective Permission: Rooflight in vaulted ceiling on side elevation of roof.
2019
Approved
32 First Avenue, Dunstable, LU6 3AL
Loft conversion with new gable end and rear dormer
2018
Approved
14 Osborne Road, Dunstable, LU6 3JS
Two storey side and single storey front and rear extension
2017
Approved
4 Ennerdale Avenue, Dunstable, LU6 3AR
Erection of single storey rear extension
2017
Approved
28 First Avenue, Dunstable, LU6 3AL
Prior Notification of Householder Extension: Demolition of existing conservatory and erec…
2017
Approved
8 Osborne Road, Dunstable, LU6 3JS
Enlarge front porch projecting 1.5m from existing garage, garage to be extended and ceili…
2016
Approved
15 First Avenue, Dunstable, LU6 3AJ
Two storey side & rear extension with loft conversion side and rear dormers.
2016
Approved
30 Ennerdale Avenue, Dunstable, LU6 3AR
Single storey rear extension
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
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42 First Avenue, Dunstable, LU6 3AL
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