House extensions in Midlothian

Midlothian received 218 householder applications in the last 12 months - about 4 a week. Garage works and dormers are the most common. Of the 148 decided so far, 140 were approved. If you're planning your own, the applications below show what people nearby applied for and how the council decided.

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Showing 50 of 76 applications
2 days ago Awaiting decision 26/00495/DPP

53 Dobbie's Road Bonnyrigg EH19 2AY

Extension to dwellinghouse

Detailed Planning Permission Midlothian
8 Sept 2026 Awaiting decision 26/00482/DPP

12 Bryans Road Newtongrange EH22 4SG

Formation of driveway and access to classified road (Retrospective)

Detailed Planning Permission Midlothian
7 Sept 2026 Pending 26/00487/DPP

12 Knowetop Place Roslin EH25 9NR

Erection of extension and porch

Detailed Planning Permission Midlothian
4 Sept 2026 Awaiting decision 26/00387/DPP

32 Archibald Hood Crescent Rosewell EH24 9FA

Extension to dwellinghouse

Detailed Planning Permission Midlothian
3 Sept 2026 Awaiting decision 26/00466/DPP

2 David Mushet Gardens Dalkeith EH22 1LH

Erection of extension, pergola and summerhouse; installation of replacement doors and window

Detailed Planning Permission Midlothian
3 Sept 2026 Pending 26/00472/DPP

28 Archway Avenue Danderhall EH22 1PB

Extension to dwellinghouse

Detailed Planning Permission Midlothian
3 Sept 2026 Pending 26/00476/DPP

1 Kirkhill Court Gorebridge EH23 4TW

Single and two storey extension to dwellinghouse; installation of replacement roof

Detailed Planning Permission Midlothian
2 Sept 2026 Pending 26/00442/DPP

2 - 15 Esk Point Dalkeith EH22 1HW

Installation of replacement cladding

Detailed Planning Permission Midlothian
31 Aug 2026 Pending 26/00470/LBC

5 Thornybank Dalkeith EH22 2NQ

Installation of replacement windows

Listed Building Consent Midlothian
27 Aug 2026 Awaiting decision 26/00414/LBC

4 Thornybank Dalkeith EH22 2NQ

Internal and external alterations; installation of replacement doors and windows; installation of rooflights

Listed Building Consent Midlothian
26 Aug 2026 Awaiting decision 26/00454/CL

5 Wheatfield Loan Loanhead EH20 9NN

Extension to dwellinghouse (Proposed)

Certificate of Lawfulness Midlothian
26 Aug 2026 Awaiting decision 26/00453/DPP

44 Edgehead Road Edgehead Pathhead EH37 5RJ

Installation of replacement doors and windows

Detailed Planning Permission Midlothian
26 Aug 2026 Awaiting decision 26/00457/DPP

35 Whitehouse Way Gorebridge EH23 4FP

Erection of outbuilding (Retrospective)

Detailed Planning Permission Midlothian
25 Aug 2026 Awaiting decision 26/00409/DPP

West Green Cottage Main Street Carrington Gorebridge EH23 4LR

Erection of outbuilding and decking (retrospective)

Detailed Planning Permission Midlothian
24 Aug 2026 Awaiting decision 26/00423/DPP

Penicuik House Penicuik EH26 9LA

Alteration to window opening to form door opening, infilling of rooflights and formation of new rooflight, installation of ventilation grill and flue,...

Detailed Planning Permission Midlothian
24 Aug 2026 Awaiting decision 26/00424/LBC

Penicuik House Penicuik EH26 9LA

Internal and external alterations including alteration to window opening to form door opening, infilling of rooflights and formation of new rooflight,...

Listed Building Consent Midlothian
24 Aug 2026 Awaiting decision 26/00429/DPP

Parkneuk Rosewell EH24 9AX

Two storey extension to dwellinghouse including formation of balconies and erection of car port.

Detailed Planning Permission Midlothian
24 Aug 2026 Awaiting decision 26/00455/CL

38 William Angus Avenue Gorebridge EH23 4RW

Alterations to garage to form window openings (Proposed)

Certificate of Lawfulness Midlothian
21 Aug 2026 Awaiting decision 26/00443/DPP

6 Hawthornden Gardens Bonnyrigg EH19 2BW

Erection of outbuilding for use of nail salon (Class 1A)

Detailed Planning Permission Midlothian
19 Aug 2026 Awaiting decision 26/00441/DPP

Vogrie Nursery Vogrie House Gorebridge

Erection of outbuilding for childrens nursery/care facility

Detailed Planning Permission Midlothian
19 Aug 2026 Awaiting decision 26/00444/DPP

28 Sherwood Loan Bonnyrigg EH19 3NF

Erection of extension and porch

Detailed Planning Permission Midlothian
18 Aug 2026 Awaiting decision 26/00402/DPP

5 Newton Church Road Danderhall EH22 1LY

Extension to dwellinghouse; formation of window openings

Detailed Planning Permission Midlothian
14 Aug 2026 Awaiting decision 26/00421/CL

64 Lawson Johnston Drive Roslin EH25 9BF

Alterations to garage door to form window openings, alteration to door opening to form a window and formation of window opening (proposed)

Certificate of Lawfulness Midlothian
14 Aug 2026 Awaiting decision 26/00439/DPP

5 Robert Smith Place Dalkeith EH22 1JF

Installation of replacement conservatory roof

Detailed Planning Permission Midlothian
12 Aug 2026 Awaiting decision 26/00407/DPP

1, 2, 3 and 4 Cornton Cottages Penicuik EH26 9LA

Removal of existing extensions and ruin; infill of existing rooflights, window and door openings; installation of replacement door; formation of new r...

Detailed Planning Permission Midlothian
12 Aug 2026 Awaiting decision 26/00408/LBC

1, 2, 3 and 4 Cornton Cottages Penicuik EH26 9LA

Internal and external alterations; removal of existing extensions and ruin; infill of existing rooflights, window and door openings; installation of r...

Listed Building Consent Midlothian
12 Aug 2026 Awaiting decision 26/00404/LBC

The Orangery Dalkeith Park Dalkeith

Refurbishment of building to reinstate windows and glazed roof structure and associated alterations including the installation of air source heat pump...

Listed Building Consent Midlothian
12 Aug 2026 Awaiting decision 26/00434/DPP

73 Lady Brae Gorebridge EH23 4HS

Extension to dwellinghouse

Detailed Planning Permission Midlothian
12 Aug 2026 Awaiting decision 26/00436/DPP

9 Mansfield Avenue Newtongrange EH22 4SE

Alteration to window to form door to flatted dwelling

Detailed Planning Permission Midlothian
11 Aug 2026 Awaiting decision 26/00342/DPP

South Lodge Mavisbank Loanhead EH18 1HY

Installation of replacement window; removal of louvres from existing dormer and installation of window; Installation of patio doors into existing door...

Detailed Planning Permission Midlothian
11 Aug 2026 Awaiting decision 26/00406/DPP

2 Mavisbank Loanhead EH20 9DD

Extension to dwellinghouse

Detailed Planning Permission Midlothian
6 Aug 2026 Awaiting decision 26/00411/PNWIND

217 Main Street Pathhead EH37 5SQ

Prior notification for installation of replacement windows within a conservation area

PN - Windows in Conservation Area Midlothian
5 Aug 2026 Awaiting decision 26/00396/DPP

15 Edgehead Road Edgehead Pathhead EH37 5RL

Installation of replacement roof and rainwater goods

Detailed Planning Permission Midlothian
4 Aug 2026 Awaiting decision 26/00412/DPP

6 Pendreich Grove Bonnyrigg EH19 2EH

Extension to dwellinghouse to form ancillary accommodation; formation of decking and access ramp

Detailed Planning Permission Midlothian
4 Aug 2026 Awaiting decision 26/00417/DPP

19 Croft Street Dalkeith EH22 3BA

Extension to flatted dwelling

Detailed Planning Permission Midlothian
4 Aug 2026 Awaiting decision 26/00419/LBC

19 Croft Street Dalkeith EH22 3BA

Extension to flatted dwelling

Listed Building Consent Midlothian
4 Aug 2026 Awaiting decision 26/00420/LBC

Beeslack Lodge Edinburgh Road Penicuik EH26 0QF

External and internal alterations including installation of rooflight, alteration to existing door opening to form window opening, installation of par...

Listed Building Consent Midlothian
4 Aug 2026 Awaiting decision 26/00340/LBC

South Lodge Mavisbank Loanhead EH18 1HY

Installation of replacement window; removal of louvres from existing dormer and installation of window; Installation of patio doors into existing door...

Listed Building Consent Midlothian
31 Jul 2026 Awaiting decision 26/00335/DPP

6 High Street Bonnyrigg EH19 2AA

Change of use from retail (class 1) to hot food takeaway (sui generis), installation of flue and formation of door opening

Detailed Planning Permission Midlothian
31 Jul 2026 Awaiting decision 26/00410/DPP

9 Millholm Gardens Bonnyrigg EH19 3SH

Extension to dwellinghouse

Detailed Planning Permission Midlothian
28 Jul 2026 Awaiting decision 26/00286/DPP

Land adjacent to The Glebe House Cockpen Road Bonnyrigg

Erection of a stable building, formation of a vehicular access, formation of hardstanding and erection of fencing and gate (part retrospective)

Detailed Planning Permission Midlothian
27 Jul 2026 Approved 26/00403/CL

5 Rullion Green Grove Penicuik EH26 0RX

Extension to dwellinghouse and installation of window opening (Proposed)

Certificate of Lawfulness Midlothian
27 Jul 2026 Awaiting decision 26/00393/DPP

24 Kippielaw Walk Dalkeith EH22 4HS

Change of use from public open space to private ground; extension to dwellinghouse and erection of boundary fence (Part-retrospective)

Detailed Planning Permission Midlothian
24 Jul 2026 Awaiting decision 26/00392/DPP

17 Eskview Grove Dalkeith EH22 1JW

Alteration to window opening to form door opening

Detailed Planning Permission Midlothian
24 Jul 2026 Approved 26/00395/CL

180 Eskhill Penicuik EH26 8DQ

Extension to dwellinghouse (Proposed)

Certificate of Lawfulness Midlothian
23 Jul 2026 Approved 26/00394/DPP

14 Woodburn Loan Dalkeith EH22 2ES

Formation of dormer window

Detailed Planning Permission Midlothian
21 Jul 2026 Awaiting decision 26/00250/DPP

108 - 110 High Street Dalkeith

Erection of outbuilding and formation of hardstanding (retrospective)

Detailed Planning Permission Midlothian
20 Jul 2026 Awaiting decision 26/00352/DPP

29A Eskbank Road Dalkeith EH22 1HJ

Formation of dormer windows

Detailed Planning Permission Midlothian
20 Jul 2026 Awaiting decision 26/00391/DPP

56 Maclean Place Gorebridge EH23 4DX

Extension to dwellinghouse

Detailed Planning Permission Midlothian
16 Jul 2026 Awaiting decision 26/00380/DPP

St Margarets 23 Lauder Road Dalkeith EH22 2JY

Formation of driveway and access to classified road

Detailed Planning Permission Midlothian
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Frequently asked questions

When do you need planning permission for a house extension?
Single-storey rear extensions up to 4m (detached) or 3m (semi-detached / terraced) are usually permitted development. Two-storey extensions, anything in a conservation area, or larger projects almost always need a planning application.
What's the difference between planning permission and permitted development?
Permitted development rights let you build certain things without applying for planning permission, subject to specified limits. Anything outside those limits, whether taller, larger or in a protected area, needs full planning permission.
How long does a householder application take?
The statutory target is 8 weeks from validation. Most simple householder extensions are decided within that window; complex or contested cases, especially those drawing a lot of comments, can take longer.
Can I get email alerts for new extensions applications in Midlothian?
Yes. Click "Set up alerts" on this page and you'll get a daily or weekly email listing every new extensions application published by Midlothian. You can also narrow the alert to a postcode, street, or drawn area.

Other application types in Midlothian

We check Midlothian's planning portal daily. New extensions applications appear here within a day of being published.