53 Tavistock Avenue, Ampthill, Bedford, MK45 2RW Data via plota.co.uk
CB/26/01683/FULL - Full Application
Approved
Proposal
Conversion of loft space with a rear dormer and front rooflights Data via plota.co.uk
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View original council record ↗Last checked
Application progress
✓
Received
27 May 2026
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Validated
16 Jun 2026
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Approved
4 Aug 2026
Approved on 4 Aug 2026 · Last checked 13 Oct 2026
Site constraints 4
Also on the record
Local nature reserve about 408 m away: Coopers Hill, Bedfordshire; SSSI about 407 m away: Cooper's Hill SSSI; Inside the Ampthill built-up area; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 2, but it predates the buildings here and the current map does not class it as farmland.
Not affected
Outside flood zones 2 and 3 · Not green belt · 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 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 1
Last sold for £250,000 in June 2003. Detached house, freehold.
27 June 2003£250,000
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
Floor area114 m² (1,227 sq ft)
Energy ratingD (61 out of 100), could reach B
PropertyDetached house, 6 habitable rooms
Built1983 to 1990
HeatingBoiler and radiators, mains gas
WallsCavity wall, filled cavity
From the energy performance certificate lodged in July 2017, 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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Other new applications on this street
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1 Sept 2026Approved
1 Tavistock Avenue, Ampthill, Bedford, MK45 2RN
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28 Aug 2026Approved
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20 Aug 2026Approved
9 Grange Road, Ampthill, Bedford, MK45 2PA
Loft conversion with a rear dormer and front rooflights
Important details
- Council
- Central Bedfordshire
- Application type
- Full Application
- Postcode
- MK45 2RW
- Received
- 27 May 2026
- Validated
- 16 Jun 2026
- Parish
- Ampthill
- 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 two-storey, detached dwelling located on the south side of Tavistock Avenue, Ampthill. No. 53 is constructed of brickwork with a gable tile roof and currently benefits from a detached double garage. The proposal consists of the conversion of loft space with a rear dormer and front rooflights. The proposed dormer would have a depth of 3.65 metres, a width of 6.75 metres and a flat roof height of 2.7 metres. This application follows a previous submission (CB/26/01368/LDCP) for a Lawful Development Certificate to certify that the proposed loft conversion with rear dormer and front rooflights would be acceptable under permitted development. The proposed loft conversion was concluded to not constitute development under Section 55(a) of the Town and Country Planning (general Permitted Development) (England) Order 2015 (as amended) and the proposed rear dormer and front rooflights were considered to comply with Classes B and C of the Town and country Planning (general Permitted Development) (England) Order 2015 (as amended) and therefore not requiring planning permission. The current proposal is for the same scheme, with the addition of anthracite horizontal weatherboard cladding, which would not match the materials of the existing dwellinghouse, and therefore requires planning permission. It is noted that the proposal described in the Lawful Development Certificate has not yet been undertaken. Tavistock Avenue is characterised by detached dwellings of similar age and design. On the basis of design and scale, the proposal would form a proportionate addition to the existing dwellinghouse which would be confined to the rear of the property. The scale and size of the proposed dormer would be considered acceptable under permitted development rights and, as such, the proposal is not considered to result in any detrimental impact upon the character and appearance of the host dwelling or wider area. The proposed addition of anthracite horizontal weatherboard cladding would be considered a minor alteration to the character of the dwellinghouse. There is a varied use of materials evident across the streetscene of Tavistock Avenue, and as such it is not considered that the addition of the cladding would have a harmful visual impact on the character and appearance of the surrounding street scene. The proposed addition of rooflights to the front roof slope would be considered a minor addition to the existing dwelling, which would not have any material impact on the character and appearance of the area. Regarding the siting of the proposal, the most potentially impacted neighbouring dwellings are deemed to be No. 26 and No. 38 Tavistock Avenue. The proposed rear dormer and associated fenestration would face onto neighbouring dwelling No. 26, however would remain separated by some 25.3 metres. The proposal would be further separated by the public highway of Tavistock Avenue and mature landscaping to the rear boundary of the application site. Given this relationship, it is not considered that the proposal would give rise to any unacceptable overlooking or loss of privacy. To the northeast, No. 38 Tavistock Avenue would be sited some 18 metres from the proposed rear dormer. The proposal would be orientated away from this property, with no windows proposed within the north elevation facing this neighbouring dwelling. As such, the development is not considered to give rise to any impacts on the amenity of this neighbouring property. All other neighbouring dwellings are considered sufficiently separated for there to be any neighbouring impact due to the sitting and scale of the proposal. The proposal would increase the number of bedrooms in the dwelling from three to four. As shown on plan number DD 6316.1 B there are sufficient parking arrangements for three spaces at the property and adequate parking has been retained in line with the parking standards SPD. Ampthill Town Council were consulted on this application and did not provide any comments. The application was subject to public consultation and no representations were received. The proposal is therefore considered to be in accordance with Policies HQ1, T2 and T3 of the Central Bedfordshire Local Plan, Section 11 of Central Bedfordshire Design Guide, Parking Standards for New Developments SPD and Section 12 of the National Planning Policy Framework (NPPF).101Reasons for Granting: The application site is a two-storey, detached dwelling located on the south side of Tavistock Avenue, Ampthill. No. 53 is constructed of brickwork with a gable tile roof and currently benefits from a detached double garage. The proposal consists of the conversion of loft space with a rear dormer and front rooflights. The proposed dormer would have a depth of 3.65 metres, a width of 6.75 metres and a flat roof height of 2.7 metres. This application follows a previous submission (CB/26/01368/LDCP) for a Lawful Development Certificate to certify that the proposed loft conversion with rear dormer and front rooflights would be acceptable under permitted development. The proposed loft conversion was concluded to not constitute development under Section 55(a) of the Town and Country Planning (general Permitted Development) (England) Order 2015 (as amended) and the proposed rear dormer and front rooflights were considered to comply with Classes B and C of the Town and country Planning (general Permitted Development) (England) Order 2015 (as amended) and therefore not requiring planning permission. The current proposal is for the same scheme, with the addition of anthracite horizontal weatherboard cladding, which would not match the materials of the existing dwellinghouse, and therefore requires planning permission. It is noted that the proposal described in the Lawful Development Certificate has not yet been undertaken. Tavistock Avenue is characterised by detached dwellings of similar age and design. On the basis of design and scale, the proposal would form a proportionate addition to the existing dwellinghouse which would be confined to the rear of the property. The scale and size of the proposed dormer would be considered acceptable under permitted development rights and, as such, the proposal is not considered to result in any detrimental impact upon the character and appearance of the host dwelling or wider area. The proposed addition of anthracite horizontal weatherboard cladding would be considered a minor alteration to the character of the dwellinghouse. There is a varied use of materials evident across the streetscene of Tavistock Avenue, and as such it is not considered that the addition of the cladding would have a harmful visual impact on the character and appearance of the surrounding street scene. The proposed addition of rooflights to the front roof slope would be considered a minor addition to the existing dwelling, which would not have any material impact on the character and appearance of the area. Regarding the siting of the proposal, the most potentially impacted neighbouring dwellings are deemed to be No. 26 and No. 38 Tavistock Avenue. The proposed rear dormer and associated fenestration would face onto neighbouring dwelling No. 26, however would remain separated by some 25.3 metres. The proposal would be further separated by the public highway of Tavistock Avenue and mature landscaping to the rear boundary of the application site. Given this relationship, it is not considered that the proposal would give rise to any unacceptable overlooking or loss of privacy. To the northeast, No. 38 Tavistock Avenue would be sited some 18 metres from the proposed rear dormer. The proposal would be orientated away from this property, with no windows proposed within the north elevation facing this neighbouring dwelling. As such, the development is not considered to give rise to any impacts on the amenity of this neighbouring property. All other neighbouring dwellings are considered sufficiently separated for there to be any neighbouring impact due to the sitting and scale of the proposal. The proposal would increase the number of bedrooms in the dwelling from three to four. As shown on plan number DD 6316.1 B there are sufficient parking arrangements for three spaces at the property and adequate parking has been retained in line with the parking standards SPD. Ampthill Town Council were consulted on this application and did not provide any comments. The application was subject to public consultation and no representations were received. The proposal is therefore considered to be in accordance with Policies HQ1, T2 and T3 of the Central Bedfordshire Local Plan, Section 11 of Central Bedfordshire Design Guide, Parking Standards for New Developments SPD and Section 12 of the National Planning Policy Framework (NPPF).101 2 )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. 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 )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. 5 )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
- 4 Aug 2026
- Agent
- Show
How this decision compares
Decided in 49 days from validation, 5 days faster than Central Bedfordshire's median of 54 for extensions. Approved, as 90% of extensions here are.
This one49d
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 13 Oct 2026
Consultation & key dates
- Consultation
- 16 Jun 2026
- Comments by
- 27 Jul 2026
- Site or press notice
- 3 Jul 2026
Historical activity at this location
26 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
Within ~100m
Nearby activity
2025
Refused
46 Tavistock Avenue, Ampthill, Bedford, MK45 2RY
Erection of a part single part two storey rear and first floor side extension with one re…
2025
Approved
46 Tavistock Avenue, Ampthill, Bedford, MK45 2RY
Lawful Development Certificate Proposed: Loft conversion including dormer windows to rear…
2025
Refused
46 Tavistock Avenue, Ampthill, Bedford, MK45 2RY
Erection of a part single part two storey rear and first floor side extension with rear r…
2024
Refused
133 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Lawful Development Certificate Proposed: Conversion of garage ground floor to habitable l…
2023
Approved
95 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Two storey rear extension
2023
Approved
48 Tavistock Avenue, Ampthill, Bedford, MK45 2RY
Lawful Development Certificate Proposed: Converting the existing loft area into a habitab…
2022
Approved
15 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Single storey rear extension
2022
Approved
99 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Single storey rear extension
2022
Approved
2 Tavistock Avenue, Ampthill, Bedford, MK45 2RY
Rear two storey extension.
2022
Approved
119 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Partial demolition of single storey rear extension and erection of single storey rear ext…
2021
Approved
15 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Loft conversion with two pitched roof dormers and a rooflight to front elevation and roof…
2021
Approved
103 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Demolition of existing garage and erection of two storey side/rear extension and single s…
2021
Approved
57 Tavistock Avenue, Ampthill, Bedford, MK45 2RW
Lawful Development Certificate Proposed: Single storey 3.5m Rear Extension with pitched r…
2021
Approved
27 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Single storey side extension to form link to garage conversion
2020
Approved
105 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Ground floor rear extension, front and rear dormer windows.
2020
Approved
115 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Two storey side/rear extension.
2020
Approved
75 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Lawful Development Certificate Proposed: Single storey rear extension
2020
Approved
33 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Prior Notification of Householder Larger Home Extension: Single Storey Side and Rear Infi…
2020
Approved
55 Tavistock Avenue, Ampthill, Bedford, MK45 2RW
Single storey side extension.
2018
Approved
11 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Single storey rear extension (retrospective)
2017
Approved
6 Tavistock Avenue, Ampthill, Bedford, MK45 2RY
Lawful Development Certificate Proposed: Single Storey Rear Extension
2017
Approved
35 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Single storey side extension
2017
Approved
16 Tavistock Avenue, Ampthill, Bedford, MK45 2RY
Erection of single storey side extension, front elevation bay window, with canopy roof ov…
2016
Approved
137 Wagstaff Way, Ampthill, Bedford, MK45 2GH
Loft conversion with rooflight and two gable fronted pitched roof dormers to front elevat…
2016
Approved
2 Tavistock Avenue, Ampthill, Bedford, MK45 2RY
Erection of a two storey front 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
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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53 Tavistock Avenue, Ampthill, Bedford, MK45 2RW
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